Gas Discharge Tubes (GDTs)
TE Circuit Protection's GDTs (Gas Discharge Tubes) are
placed in front of, and in parallel with, sensitive telecom
equipment such as power lines, communication lines,
signal lines and data transmission lines to help protect
them from damage caused by transient surge voltages
that may result from lightning strikes and equipment
switching operations. These devices do not influence
the signal in normal operation. However, in the event of
an overvoltage surge, such as a lightning strike, the GDT
switches to a low impedance state and diverts the energy
away from the sensitive equipment.
Our GDTs offer a high level of surge protection, a broad
voltage range, low capacitance, and many form factors
including new surface mount devices, which makes them
suitable for applications such as Main Distribution Frame
(MDF) modules, high data-rate telecom applications (e.g.
ADSL, VDSL), and surge protection on power lines. Their low capacitance also results in less signal distortion. When
used in a coordinated circuit protection solution with PolySwitch devices, they can help equipment manufacturers meet
stringent safety regulatory standards.
BENEFITS
APPLICATIONS
• Helps provide overvoltage fault protection against
damage caused by high energy surges
• Suitable for use in sensitive equipment due to
impulse sparkover response
• Suitable for high-frequency applications
• Highly reliable performance
• Telecommunications
- MDF modules, xDSL equipment, RF systems,
antenna, base stations
• Industrial and Consumer Electronics
- Power supplies, surge protectors, alarm systems,
irrigation systems
• New surface-mount devices for automated
manufacturing
FEATURES
• RoHS compliant
• Devices tested per ITU K.12 recommendations
• Halogen free
(refers to: Br900ppm, Cl900ppm, Br+Cl1500ppm)
• Various lead configurations and surface-mount
options
• Wide range of voltages (75V-4000V)
• Optional fail-short mechanism
• Wide range of form factors
(3mm, 5mm, 6mm, 7mm, 8mm diameter devices)
• Non radioactive materials
• Devices certified to UL497B and UL1449
• Low capacitance and insertion loss
• Crowbar device with low arc voltage
• High accuracy spark-over voltages for high precision
designs
RoHS Compliant, ELV Compliant
HF Halogen Free
TE Connectivity /// Circuit protection product catalog
73
9
Gas Discharge Tubes (GDTs)
Figures G1-G2 — Typical Circuits for Gas Discharge Tubes
Figure G1
Figure G2
Two
Two
Electrode
Electrode
Devices
Devices
forfor
Ungrounded
Ungrounded
Circuits
Circuits
PolySwitch
PolySwitch
Device
Device
(A) (A)
Telecom
Telecom
LineLine
Three
Three
Electrode
Electrode
Devices
Devices
forfor
Grounded
Grounded
Circuits
Circuits
Protected
Protected
Equipment
Equipment
GDTGDT
(B) (B)
PolySwitch
PolySwitch
Device
Device
(A) (A)
(A’)(A’)
Telecom
Telecom
LineLine
(B’)(B’)
Thyristor
Thyristor
(A’)(A’)
Protected
Protected
Equipment
Equipment
GDTGDT
(B) (B)
(B’)(B’)
Thyristors
Thyristors
PolySwitch
PolySwitch
Device
Device
Table G1 — Device Voltage Ratings, Surge Rating, Capacitance, Insulation Resistance
and Agency Approval for Two-Electrode Gas Discharge Tubes
DC
Sparkover
Voltage
Part Number
Impulse
Sparkover
Voltage
@ 100V/s
± 20% Tolerance
@ 1kV/μs
75*
600
90
600
140
600
GTCS23-XXXM-R01-2
GTCC23-XXXM-R01-2
150
600
200
700
230
700
300
900
350
1000
400
1000
Impulse
Discharge Current
Impulse
Withstanding
Voltage
Capacitance
Insulation
Resistance
UL Rating
8x20μs
10 Hits
(5 Hits Each
Polarity)
8x20μs
300 Hits
(150 Hits Each
Polarity)
10/700μs
10 Hits
(5 Times Each
Polarity)
@1MHz
@100VDC†
1kA
100A
4kV
<0.5pF
1,000 (MΩ)
All Devices
1kA
100A
6kV‡
<0.5pF
1,000 (MΩ)
All Devices
UL497B
#E179610
* DCSO 60~105
†Devices <=150V measured @ 50VDC
‡Effective output impedance: 40ohms
DC
Sparkover
Voltage
Part Number
GTCX25-XXXM-R02
GTCX26-XXXM-R05
GTCX28-XXXM-R05
GTCX28-XXXM-R10
GTCX28-XXXM-R20**
Impulse
Sparkover Voltage
@ 100V/s
± 20%
Tolerance @ 100V/µs @ 1kV/µs
DC
Holdover
Voltage
AC Discharge
Current
(1s duration;
Insulation
10 hits)
Capacitance Resistance
On-State
Voltage
Impulse
Discharge
Current
Impulse
Life
Per
ITU K.12
Nominal
(@1A)
(V)
8x20µs
10 Hits
10x1000µs
300 Hits
@ 50 Hz
@ 1MHz
2.5kA
100A
2.5Arms
<1pF
10,000 (MΩ) All Devices
5kA
100A
5Arms
<1pF
10,000 (MΩ) All Devices
5kA
100A
5Arms
<1pF
10,000 (MΩ) All Devices
10kA
100A
10Arms
<1pF††
10,000 (MΩ) All Devices
20kA
100A
20Arms
<1.5pF
10,000 (MΩ) All Devices
75
450
550
<52
20
90
450
550
<52
20
140
500
600
<80
20
150
500
600
<80
20
200
600
700
<135
20
230
600
700
<135
20
250
600
700
<135
20
260
700
800
<135
20
300
800
900
<150
20
350
900
1000
<150
20
400
900
1000
<150
20
420
900
1000
<150
20
470
1050
1150
<150
20
500
1100
1200
<150
20
550
1300
1400
<150
20
600
1300
1400
<150
20
@ 100VDC
UL Rating
UL497B
#E179610
**GTCX28-XXXM-R20 parts only up to 350V
††<1.2pF for 75V and 90V devices.
74
TE Connectivity /// Circuit protection product catalog
HF Halogen Free
RoHS Compliant, ELV Compliant
9
Gas Discharge Tubes (GDTs)
Table G2 — Device Voltage Ratings, Surge Rating, Capacitance, Insulation Resistance
and Agency Approval for Two Electrode High-Voltage Gas Discharge Tubes
DC
Sparkover
Voltage
Impulse
Sparkover
Voltage
Impulse Life
Impulse
Discharge Current
8/20µs
AC Discharge Current,
50Hz
Capacitance
UL Rating
@ 1MHz
UL1449
#E332226
N/A
<1pF
3
10kA
<1pF
3
10kA
<1pF
3
3kA
10kA
<1pF
3
5A
3kA
10kA
<1pF
3
5A
3kA
10kA
<1pF
3
1A
5A
3kA
10kA
<1pF
3
300 Times†
N/A
N/A
3kA
10kA
<1pF
3
4000
N/A
1A
5A
3kA
10kA
<1pF
3
3700‡
300 Times†
N/A
N/A
3kA
10kA
<1pF
3
@100V/s
± 20%
Tolerance
Multiple Hits
(1s Duration:
10 Hits)
@ 100V/µs
10/1000µs
100A
Single Hit,
9 Cycles
GTCA28-801M-R05
800
1400
GTCA28-102M-R03
1000
1700
300 times
5A
N/A
5kA
N/A
1A
5A
3kA
GTCA28-122M-R03
1200
1900
N/A
1A
5A
3kA
1500
(± 15%)
GTCA28-152L-R03
2200
N/A
1A
5A
GTCA28-212M-R03
2100
2700
N/A
1A
GTCA28-242M-R03
2400
3300
N/A
1A
GTCA28-252M-R03
2500
3500
N/A
GTCA28-272L-R03
2700
(± 15%)*
3700
GTCA28-302M-R03
3000
3100
(± 15%)*
Part Number
GTCA28-312L-R03
10 Hits (5 Hits
Each Polarity)
1 Hit
GTCA28-362M-R03
3600
4600
N/A
1A
5A
3kA
10kA
<1pF
3
GTCA28-402M-R03
4000
5000
N/A
1A
5A
3kA
10kA
<1pF
3
Note: Insulation resistance: $10,000MΩ (all parts measured @ 1000VDC, except 800V/1000V/1200V @250VDC; 1500V/2100V @ 500VDC)
* DC Sparkover Voltage measured at 5kV/s
† Measured with 8/20µs,100A impulse
‡ Measured at 1000V/µs
Table G3 — Device Voltage Ratings, Surge Rating, Capacitance, Insulation Resistance
and Agency Approval for Three-Electrode Gas Discharge Tubes
DC
Sparkover
Voltage
(A-E) (B-E)
Part Number
GTCX35-XXXM-R05
GTCX36-XXXM-R05
GTCX36-XXXM-R10
GTCX37-XXXM-R10
GTCX38-XXXM-R10
Impulse
Sparkover Voltage
(A-E) (B-E)
@ 100V/s
± 20%
Tolerance @ 100V/µs @ 1kV/µs
AC Discharge
Current
(1s duration;
10 hits)
Insulation
(A+B-E)
Capacitance Resistance
DC
Holdover
Voltage
On-State
Voltage
Impulse
Discharge
Current
(A+B-E)
Per
ITU K.12
Nominal
(@1A)
(V)
8x20µs
10 Hits
10x1000µs
300 Hits
@ 50 Hz
@ 1MHz
5kA
100A
5Arms
<1pF
10,000 (MΩ) All Devices
5kA
200A
5Arms
<1pF
10,000 (MΩ) All Devices
10kA
200A
10Arms
<1pF
10,000 (MΩ) All Devices
10kA
200A
10Arms
<1pF
10,000 (MΩ) All Devices
10kA
200A
10Arms
<1pF
10,000 (MΩ) All Devices
75
450
550
<52
20
90
450
550
<52
20
140
500
600
<80
20
150
500
600
<80
20
200
600
700
<135
20
230
600
700
<135
20
250
600
700
<135
20
260
700
800
<135
20
300
800
900
<150
20
350
900
1000
<150
20
400
900
1000
<150
20
420
900
1000
<150
20
470
1050
1150
<150
20
500
1100
1200
<150
20
550
1300
1400
<150
20
600
1300
1400
<150
20
Impulse
Life
(A+B-E)
@ 100VDC*
UL Rating
UL497B
#E179610
* Insulation resistance measured at 50V for devices less than 150V.
Insulation resistance measured at 250V for devices more than 500V.
RoHS Compliant, ELV Compliant
HF Halogen Free
TE Connectivity /// Circuit protection product catalog
75
9
Gas Discharge Tubes (GDTs)
Figures G3-G11 — Dimensions for Gas Discharge Tubes
Figure G3 — Two Electrode 3mm Product Dimensions
Pad Layout - Surface-mount Devices
(GTCS23-XXXM-R01)
3.0
3.0±±0.2
0.2
ø3ø
.30.0
Surface-mount
(GTCS23-XXXM-R01)
Y
Z1
3.0 ±± 0.2
0.2
3.0
3.0
2.0
2.0
2.0
in*
0.118
0.079
0.079
0.079
X
Nom
3.2 ±± 0.2
0.2
3.2
Y
5.0 ± 0.2
(0.197 ± 0.008)
Z1
Z2
5.00 ± 0.15
(0.197 ± 0.006)
5.0 ± 0.2
(0.197 ± 0.008)
5.00 ± 0.15
(0.197 ± 0.006)
± 0.2
± 0.008)
0.5
(0.020)REF
ø0.8
(0.032)REF
5.0 ± 0.2
(0.197 ± 0.008)
Z2
Nom
3.5
2.7
2.0
2.0
in*
0.138
0.106
0.079
0.079
* The dimensions in inches are rounded approximations.
No Leads
(GTCN25-XXXM-R02)†
(0.020)REF
60.0 ± 4.0
4.4 ± 0.2
5.0 ± 0.2
(0.173 ± 0.008) (2.364 ± 0.158) (0.197 ± 0.008)
Z1
Nom
mm
Figure G4 — Two Electrode 5mm Product Dimensions
Axial Leads
(GTCA25-XXXM-R02)
0.5
Y
Nom
Surface-mount
(GTCS25-XXXM-R02)
5.0 ± 0.2
(0.197 ± 0.008)
5.0 ± 0.2
(0.197 ± 0.008)
4.4 ± 0.2
(0.173 ± 0.008)
0.5
(0.020)REF
ø0.8
(0.032)REF
5.0 ± 0.2
(0.197 ± 0.008)
ø0.8
60.0 ± 4.0(0.032)REF
(2.364 ± 0.158)
5.0 ± 0.2
(0.197 ± 0.008)
0.5
0.5
4.5 ±± 0.3
0.3
4.5
Z2
Nom
* The dimensions in inches are rounded approximations.
X
0.5
0.5
Z1
Nom
Pad Layout - Chip GDT Devices
(GTCC23-XXXM-R01)
2.7
2.7±±0.2
0.2
Chip GDT
(GTCC23-XXXM-R01)
Z2
Y
Nom
mm
5.00 ± 0.15
(0.197 ± 0.006)
1.0
1.0
1.0
1.0
4.5 ±± 0.2
0.2
4.5
X
Nom
X
5.0 ± 0.2
(0.197 ± 0.008)
5.0 ± 0.2
(0.197 ± 0.008)
Pad Layout - Surface-mount Devices
(GTCS25-XXXM-R02)
Y
X
Nom
X
Y
Nom
Z
Nom
mm
6.0
3.9
1.3
in*
0.197
0.154
0.051
Z
Y
Y
* The dimensions in inches are rounded approximations.
† Parts with no leads are not solderable and are meant for insertion into magazine clips.
X
X
Z
76
TE Connectivity /// Circuit protection product catalog
Z
HF Halogen Free
RoHS Compliant, ELV Compliant
Gas Discharge Tubes (GDTs)
Figure G5 — Two Electrode 6mm Product Dimensions
0.6
(0.024)REF
ø0.8
6.2 ± 0.2
(0.032)REF
(0.244 ± 0.008)
08)
No Leads
(GTCN26-XXXM-R05)†
Surface-mount
(GTCS26-XXXM-R05)
4.2 ± 0.2
(0.165 ± 0.008)
ø6.0 ± 0.2
(0.236 ± 0.008)
ø6.0 ± 0.2
(0.236 ± 0.008)
ø6.0 ± 0.2
(0.236 ± 0.008)
6.2 ± 0.2
(0.244 ± 0.008)
ø6.0 ± 0.2
(0.236 ± 0.008)
0.6 Leads
Axial
(0.024)REF
6.2 ± 0.2
4.2(GTCA26-XXXM-R05)
± 0.2
(0.244 ± 0.008)
(0.165 ± 0.008)
62.0 ± 2.0
(2.441 ± 0.079)
(Cont’d)
ø6.0 ± 0.2
(0.236 ± 0.008)
6.2 ± 0.2
(0.244 ± 0.008)
ø6.0 ± 0.2
(0.236 ± 0.008)
Figures G3-G11 — Dimensions for Gas Discharge Tubes
4.2 ± 0.2
(0.165 ± 0.008)
4.2 ± 0.2
(0.165 ± 0.008)
62.0 ± 2.0
(2.441 ± 0.079)
6.2 ± 0.2
(0.244 ± 0.008)
9
ø0.8
(0.032)REF
0.6
(0.024)REF
4.2 ± 0.2
(0.165 ± 0.008)
6.2 ± 0.2
(0.244 ± 0.008)
4.2 ± 0.2
(0.165 ± 0.008)
Pad Layout - Surface-mount Devices
(GTCS26-XXXM-R05)
Y
X
Nom
X
Y
Nom
Z
Nom
mm
7.0
3.7
1.3
in*
0.276
0.146
0.051
Z
(0.236 ± 0.008)
8)
ø8.0 ± 0.2
(0.315 ± 0.008)
ø8.0 ± 0.2
(0.315 ± 0.008)
8.2 ± 0.2
(0.323 ± 0.008)
62.0 ± 4.0
(2.441 ± 0.157)
ø8.0 ± 0.2
(0.315 ± 0.008)
0.5
(0.02)REF
0.5
No Leads
Surface-mount
(0.02)REF
6.0 ± 0.2
(GTCN28-XXXM-R05, R10 & R20)† (0.236 ± 0.008)
(GTCS28-XXXM-R05,
R10 & R20)
Z
ø0.8
8.2 ± 0.2(0.032)REF
(0.323 ± 0.008)
6.0 ± 0.2
(0.236 ± 0.008)
0.5
(0.02)REF
6.0 ± 0.2
(0.236 ± 0.008)
6.0 ± 0.2
(0.236 ± 0.008)
0.5
(0.02)REF
62.0 ± 4.0
(2.441 ± 0.157)
8.2 ± 0.2
(0.323 ± 0.008)
0.5
Axial
Leads
(0.02)REF
8.2 ± 0.2
6.0 ± 0.2
(GTCA28-XXXM-R05,
R10
& R20)
(0.323 ± 0.008)
ø8.0 ± 0.2
(0.315 ± 0.008)
Z
X
ø8.0 ± 0.2
Figure G6 — Two Electrode 8mm Product Dimensions
Y
ø8.0 ± 0.2
(0.315 ± 0.008)
ø8.0 ± 0.2
(0.315 ± 0.008)
8.2 ± 0.2
(0.323 ± 0.008)
* The dimensions in inches are rounded approximations.
† Parts with no leads are not solderable and are meant for insertion into magazine clips.
Y
ø0.8
(0.032)REF
8.2 ± 0.2
(0.323 ± 0.008)
6.0 ± 0.2
(0.236 ± 0.008)
Pad Layout - Surface-mount Devices
(GTCS28-XXXM-R05, R10 & R20)
Y
X
Nom
X
Y
Nom
Z
Nom
mm
9.0
5.6
1.2
in*
0.354
0.22
0.047
Z
* The dimensions in inches are rounded approximations.
† Parts with no leads are not solderable and are meant for insertion into magazine clips.
Y
Y
Figure G7 — Two Electrode 8mm High Voltage Product Dimensions
X
Axial Leads
(GTCA28-XXXM-R0X)
ø0.8
Z
ø8 ± 0.2
Z
6 ± 0.2
62 ± 4
RoHS Compliant, ELV Compliant
HF Halogen Free
TE Connectivity /// Circuit protection product catalog
77
7.6 ± 0.2
(0.299 ± 0.008)
9
3X 30.0 ± 2.0
(1.182 ± 0.079)
ø0.8
(0.032)
Figures G3-G11 — Dimensions for Gas Discharge Tubes
0
(0.01
(Cont’d)
Figure G8 — Three Electrode 5mm Product Dimensions
Axial Leaded
(GTCA35-XXXM-R05)
+0.0
11.4 –2.0
+0.000
0.449 –0.079
7.6 ± 0.2
(0.299 ± 0.008)
ø5.0 ± 0.2
ø5.0
± 0.2
(0.197 ±
0.008)
(0.197 ± 0.008)
)
(
ø5.0 ± 0.2
(0.197 ± 0.008)
± 0.5
4.5
4.5
± 0.020)
77)
REF
0.177) REF
+0.0
11.4 –2.0+0.0
11.4
–2.0
+0.000
0.449 –0.079
+0.000
0.449 –0.079
7.6 ± 0.2
± 0.2
(0.299 ±7.60.008)
(0.299 ± 0.008)
(
)
(
)
(0.449 +0.000
–0.079
+0.0
)
(
–2.0
8.311.4
± 0.3
ø5.0 ± 0.2 (0.327 ± 0.012)
+0.000
(0.197 ± 0.008) 0.449 –0.079
(0.327 ± 0.012) 8.3 ± 0.3
(0.327 ± 0.012)
7.6 ± 0.2
MAX
5.9
(0.299
± 0.008)
8.3 ± 0.3
(0.327 ± 0.012)
(
7.6 ± 0.2
(0.299 ±
7.60.008)
± 0.2
ø5.0 ± 0.2
MAX 5.9
(0.232)
ø5.0
± 0.2
(0.197 ±
0.008)
(0.232)
(0.197 ± 0.008)
MAX 5.9
(0.232)
ø5.0 ± 0.2
(0.197 ± 0.008)
7.6 ± 0.2
± 0.2
(0.299 ±7.60.008)
4.5
(0.299 ± 0.008)
7.6 ± 0.2
4.5
(0.177) REF
13.0 ± 0.5
(0.299
±
0.008)
(0.177) REF
(0.512 ± 0.020)
3.8 ± 0.3
(0.151 ± 0.012)
)
(0.299 ± 0.008)
7.6 ± 0.2
(0.299 ± 0.008)
ø5.0 ± 0.2
(0.197ø5.0
± 0.008)
± 0.2
(0.197 ± 0.008)
ø5.0
(0.197
ø5.0
± 0±
(0.197 ± 0.0
13.0 ± 0.5
(0.51212.0
± 0.020)
± Dimensions
0.5
(0.473 ± 0.020)
in these drawings
4.5
are in millimeters (inches)
(0.177) REF
4.5
(0.177) REF
ø0.8
ø0.8
(0.032)
(0.032)
12.0 ± 0.5
(0.473 ± 0.020
4.5
(0.177) REF
ø0.8
(0.032)
ø0.8
(0.032)
3.8 ± 0.3
(0.1513.8
± 0.012)
± 0.3
(0.151 ± 0.012)
ø0.8
(0.032)
Surface-mount
(GTCS35-XXXM-R05)
1.6
(0.327 ± 0.012)
8.3 ± 0.3
(0.327 ± 0.012)
8.3 ± 0.3
(0.327 ± 0.012)
+0.0
11.4 –2.0
+0.0
11.4 –2.0
+0.000
8.3 ± 0.3
0.449 –0.079
± 0.3
(0.327 8.3
± 0.012)
No Leads with-FT
8.3 ± 0.3
†
(GTCN35-XXXM-R05-FT)
± 0.3
(0.327 8.3
± 0.012)
)
No Leads
(GTCN35-XXXM-R05)†
ø5.0 ± 0.2
(0.197 ± 0.008)
4.5
(0.177) REF
3.8 ± 0.3
± 0.3
(0.151 3.8
± 0.012)
ø0.8
(0.151 ± 0.012)
(0.032)
3.8 ± 0.3
(0.151 ± 0.012)
Axial Leaded with-FT
(GTCA35-XXXM-R05-FT)
)
12.0 ± 0.5
± 0.5
(0.47312.0
± 0.020)
(0.473 ± 0.020)
.8
ø0.8
32)
(0.032)
9
ø5.0 ± 0.2
(0.197 ± 0.008)
Gas Discharge Tubes (GDTs)
T Leaded
(GTCT35-XXXM-R05)
(0.063)REF
1.6
(0.063)REF
± 0.2
8.3 7.6
± 0.3
(0.299
± 0.008)
7.6 ± 0.2
(0.327
± 0.012)
MAX 5.9
ø5.0 ± 0.2
ø5.0 ± 0.2
(0.299 ± 0.008)
MAX 5.9
(0.232)
ø5.0
± 0.2
ø5.0
± 0.2
(0.197 ±
0.008)
(0.197 ±
0.008)
(0.232)
(0.197 ± 0.008)
MAX 5.9
ø5.0(0.197
± 0.2± 0.008)
ø5.0 ±MAX
0.2 5.9
ø5.0 ± 0.2
ø5.0
± 0.2
(0.232)
MAX 5.9
(0.197 ± 0.008)
ø5.0 ± 0.2
0.4
0.4
(0.197 ± 0.008)
(0.197 ± 0.008)
ø5.0 ± 0.2
(0.232)
(0.197
±
0.008)
1.6
(0.232)
(0.197
±
0.008)
0.4
0.4
(0.016) REF
(0.016) REF
(0.197 ± 0.008)
± 2.0
(0.063)REF
1.6
ø5.0 ± 0.2
ø5.0 ± 0.2
(0.016)
REF
(0.016)
REF
0
0.4
0.4
7.6 ± 0.2
0.0
± 2.0
(0.063)REF
.079)
ø5.0
± 0.2
ø5.0
± 0.2
(0.197 ±
0.008)
(0.197 ±
0.008)
1.6
± 0.2
(0.016
(0.016) REF
7.6 ± 0.2
(0.299 ±7.60.008)
0.4
± 0.079)
(0.197 ± 0.008) (0.016) REF
(0.197 ± 0.008)
3X 30.0 ± 2.0
(0.063)REF
ø5.0
0.2
ø5.0 ±(0.299
0.2 ± 0.008)
1.6
± ±0.2
(0.299 ±7.6
0.008)
(0.016) REF
7.6
±
0.2
7.6
±
0.2
(1.182
±
0.079)
3X
30.0
±
2.0
(0.063)REF
(0.197±±0.008)
0.008)
(0.197 ± 0.008)
ø5.0 ± 0.2
(0.299
ø0.8
(0.299 ± 0.008)
7.6 ± 0.2
(0.299 ± 0.008)
(1.182 ± 0.079)
(0.197 ± 0.008)
(0.032)
ø0.8
4.5 (0.299 ± 0.008)
7.6 ± 0.2
(0.032)
(0.177) REF
(0.299 ± 0.008)
8)
ø0.8
(0.032)
1.6
(0.063)REF
Pad Layout - Surface-mount Devices
(GTCS35-XXXM-R05)
Y1
Y1
Y1
Y2
Y2
X
1.6
(0.063)REF
X
X
MAX 5.9
0.232)
X
Nom
Y1
Nom
Y2
Nom
Z1
Nom
Z2
Nom
mm
6.0
3.6
3.6
2.5
1.3
in*
0.236
0.142
0.098
0.051
Y2
ø5.0 ± 0.2
(0.197 ± 0.008)
Z1
Z2
Y2
X
X
ø5.0 ± 0.2
(0.197 ± 0.008)
7.6 ± 0.2
(0.299 ± 0.008)
Z2
7.6 ± 0.2
0.4
(0.299 ± 0.008)
(0.016)
REF
* The dimensions in inches are rounded approximations.
ø5.0 ± 0.2
ø5.0 ± 0.2
† Parts with no leads are not solderable and
insertion
into magazine clips.
7.6 ±are
0.2meant for (0.197
(0.197 ± 0.008)
± 0.008)
(0.299 ± 0.008)
Z1
Z1
ø5.0 ± 0.2
0.142
(0.197 ± 0.008)
Y1
ø5.0 ± 0.2
(0.197 ± 0.008)
Z2
Z1
Z2
2
Z2
78
TE Connectivity /// Circuit protection product catalog
HF Halogen Free
RoHS Compliant, ELV Compliant
(0.323 ± 0.012)
9
ø6.0 ± 0.2
(0.236 ± 0.008)
MAX 7.0
(0.276)
Gas Discharge Tubes (GDTs)
13.0 ± 0.5
(0.512 ± 0.020)
8.0 ± 0.2
(0.315 ± 0.008)
ø0.8
(0.032) REF
ø6.0 ± 0.2
(0.236 ± 0.008)
(0.323 ± 0.012)
12.3 ± 0.5
(0.485 ± 0.020)
8.0 ± 0.5
(0.315 ± 0.020)
ø0.8
(0.032) REF
ø0.8
(0.032) REF
Figures G3-G11
— Dimensions for Gas Discharge
Tubes
4.7 ± 0.5
4.7 ± 0.5
(0.185 ± 0.020)
(Cont’d)
(0.185 ± 0.020)
3.8 ± 0.3
(0.150 ± 0.012)
Figure G9 — Three Electrode 6mm Product Dimensions
Axial Leaded
(GTCA36-XXXM-R05 and R10)
8.0 ± 0.2
8.0 ± 0.2
8.0
± 0.2
± 0.008)
(0.315 (0.315
± 0.008)
9.2
± 0.2± 0.008)
8.2 ± 0.3
(0.315
± 0.008)
(0.323 (0.362
± 0.012)
0 ±ø6.0
0.2 ± 0.2
ø6.0
± 0.2
± 0.008)
6(0.236
± 0.008)
(0.236 ± 0.008)
ø6.0 ±ø6.0
0.2 ± 0.2
ø6.0
± 0.2
0.008)
(0.236(0.236
±
0.008)
ø6.0
±±0.2
(0.236
± 0.008)
(0.236 ± 0.008)
Axial Leaded with-FT
(GTCA36-XXXM-R05
and R10-FT)
9.2 ± 0.2
9.2 ± 0.2
9.2
±
8.2
± 0.2
0.3
± 0.008)
(0.362(0.362
± 0.008)
(0.362
±± 0.008)
(0.323
0.012)
8.2
± 0.3
8.2 8.2
± 0.3
± 0.3
±±
0.3
0.3
(0.323
±8.2
0.012)
(0.323
± 0.012)
(0.323
± 8.2
0.012)
(0.323
0.012)
(0.323
0.012)
8.0 ± ±
0.2
(0.315 ± 0.008)
ø6.0 ± 0.2
(0.236 ± 0.008)
ø0.8
(0.032) REF
No Leads with-FT
(GTCN36-XXXM-R05 and R10-FT)†
1.2
(0.047) REF
8.2 ± 0.3
8.2±±0.3
0.3
8.2
8.2
± 0.3
(0.323
± 0.012)
(0.323±
±0.012)
0.012)
(0.323
(0.323 ± 0.012)
9.2 ± 0.2
(0.362 ± 0.008)
MAX
MAX 7
.0 7.0
MAX 7.0
(0.276)(0.276)
1.0
(0.276)
ø6.0 ± 0.2
(0.039)
13.0
±
0.5
(0.236 ± 0.008) REF
(0.512 ± 0.020)
No Leads
(GTCN36-XXXM-R05 and R10)†
ø6.0 ± 0.2
ø6.0
ø6.0 ±(0.236
0.2 ± ±0.2
0.008)
ø6.0
± ø6.0
0.2
0.2
(0.236
± 0.008)
(0.236
± 0.008)
±±0.2
(0.236 (0.236
±ø6.0
0.008)
0.008)
(0.236 ±±0.008)
MAX
MAX 7
.0 7.0
MAX 7.0
(0.276)(0.276)
13.0
±±0.5
MAX
7.0
(0.276)
ø6.0
0.2
(0.512 ±
±0.020)
0.008)
13.0 (0.236
± 0.5(0.276)
8.0 ± 0.2
(0.512 ± 0.020)
12.3 ± 0.5 ø0.8
(0.315 ± 0.008)
8.0 ± 0.2
8.0 ± 8.0
0.5 ± 0.5
(0.485 ±
0.020)
ø0.8 REF
ø0.8
(0.032)
8.0 ± 0.2
8.0
± 0.5(0.315 ± 0.008)
ø0.8
± 0.020)
(0.315(0.315
± 0.020)
(0.032)
REF
(0.032)
REF ø0.8
(0.315
±
0.008)
(0.315 ± 0.020)
(0.032)(0.032)
REF REF
ø0.8
(0.032) REF 4.7 ± 0.5
(0.185 ± 0.020)
4.7 ± 0.5
3.8
± 0.3
3.8 ± ±
0.3
(0.185
0.020)
3.8
±0.5
0.3
4.7
± ±0.012)
(0.150(0.150
± 0.012)
(0.150±±0.020)
0.012)
(0.185
12.3 ±12.3
0.5 ± 0.5
12.3
± 0.5
0.020)
(0.485(0.485
± 0.020)
14.0
±±0.5
(0.485
± 0.020)
(0.552 ± 0.020)
13.0 ± 0.5
(0.512 ± 0.020)
ø0.8 ø0.8
8.0 ± 0.2
(0.032)
REF
(0.032)
REF ø0.8
(0.032)
REF
± 0.008)
ø0.8(0.315
(0.032) REF
4.7 ± 4.7
0.5 ± 0.5
4.7
± 0.5
± 0.020)
(0.185(0.185
± 0.020)
(0.185 ± 0.020)
4.7 ± 0.5
3.8
±
0.3
(0.185 ± 0.020)
(0.150 ± 0.012)
8 ø0.8
0.032)
REF
REF ø0.8
(0.032) REF
.5
0)
020)
(0.315 ± 0.008)
ø6.0 ± 0.2
(0.236 ± 0.008)
6.0 ± 0.2
(0.236
± 0.008)
8.2±±0.2
0.2
8.0
8.0±±0.2
0.2
14.0
± 0.5
8.0
0.008)
8.0
± 0.2(0.552 ± 0.020)
±±0.008)
(0.315±(0.315
±(0.323
0.008)
(0.315
0.008)
ø0.8
(0.315 ± 0.008)
0.2
ø6.0
±ø6.0
0.2
(0.236
±±0.008)
ø6.0
± ø6.0
0.2
ø6.0
0.2
± 0.2
(0.236
± 0.008)
(0.236
±±0.008)
(0.236
± 0.008)
(0.236
± 0.008)
(0.236
± 0.008)
1.0
MAX 7(0.039)
.0
REF
(0.276)
(0.276)
(0.236 ± 0.008)
14.0 ± 0.5
(0.552
± 0.020)
1.2
12.3
± 0.5
14.0
± 0.5
6.0 ± 0.2
(0.047) REF
(0.485
± 0.020)
(0.552
± 0.020)
(0.236 ± 0.008)
8.0 ± 0.2
8.0 ± 0.2
ø0.8
(0.032) REF
4.7 ± 0.5
(0.185 ± 0.020)
Surface-mount
(GTCS36-XXXM-R05 and R10)
8
(0.3
8.0 ±
(0.315 ±
3.8 ± 0.3
(0.150 ± 0.012)
9.2 ± 0.2
8.2 ± 0.3
(0.362 ± 0.008)
Y1 ± 0.012)
Y2
(0.323
8.2
± 0.3
8.2 ±
0.3
(0.323
±
0.012)
(0.323 ± 0.012) 0.75
8.0 ± 0.5
(0.315 ± 0.020)
ø6.0 ± 0.2
(0.236 ± 0.008)
ø6.0
ø6.0±±0.2
0.2
(0.236
(0.236±±0.008)
0.008)
(0.030) REF
(0.236 ± 0.008) MAX 7.0
X
MAXMAX
7.0 7(0.276)
.0
(0.276)
(0.276)
ø6.0 ± 0.2
(0.236 ± 0.008)
(0
ø6.0 ±
(0.236 ±
8.0 ± 0.2
(0.315 ± 0.008)
8.0 ± 0.2 Z1
(0.315 ± 0.008)
8.0 ± 0.2
(0.315 ± 0.008)
Z2
ø0.8
(0.032) REF
3.8 ± 0.3
(0.150 ± 0.012)
Pad Layout - Surface-mount Devices
1.2
(GTCS36-XXXM-R05
and R10)
8.3 ± 0.3
8.3 ± 0.3
8.3
± 0.3
± 0.012)
(0.327(0.327
± 0.012)
1.2(0.327 ± 0.012)
12.3 ± 0.5
(0.485 ± 0.020)
12.3 ± 0.5
(0.485 ± 0.020)
M
MAX 7
(0.276
are in millimeters (inches)
4.7 ±3.8
0.5± 0.3
(0.185
± 0.020)
(0.150
± 0.012)
3.8 ± 0.3
(0.150 ± 0.012)
3.8 ± 0.3
(0.150 ± 0.012)
ø6.0 ± 0.2
(0.236 ± 0.008)
ø0.8
(0.032) REF 8.0 ± 0.2
ø0.8
(0.315 ± 0.008)
8.0 ±(0.032)
0.5 REF
ø0.8
(0.315 ± 0.020)
(0.032) REF
4.7 ± 0.5
(0.185 ± 0.020)
4.7 ±in
0.5these drawings
Dimensions
(0.185 ± 0.020)
8.3 ± 0.3
ø6.0 ± 0.2
(0.327
0.012)
9.2 ±±0.2
0.75
0.75
(0.236 ± 0.008)
(0.362
± 0.008)
± 0.2
0.75
9.28.0
± 0.2
(0.030)
REF
(0.030)
REF
(0.315
±0.3
0.008)
(0.030) REF
8.2±±0.008)
(0.362
(0.323 ± 0.012)
6.0 ± 0.2
MAX 7.0ø6.0 ± 0.2
ø6.0 ± 0.2
8.2
±±0.2
ø0.8
8.0
0.2
±±
0.008)
(0.315 (0.315
± 0.008)
0.008)
ø0.8
(0.032) REF8.0(0.323
±(0.315
0.2 ± 0.008)
ø0.8 REF
(0.032)
(0.315
±
0.008)
(0.032) REF
(0.032) REF
(0.236 ± 0.008)
ø6.0 ± 0.2
ø6.0
± 0.2
(0.236 ±
0.008)
MAX 7.0
(0.236 ± 0.008)
(0.276)
Radial Leaded with-FT
(GTCR36-XXXM-R05 and R10-FT)
Radial Leaded
(GTCR36-XXXM-R05 and R10)
ø6.0 ± 0.2
(0.236 ± 0.008)
± 0.2
ø6.0
±ø6.0
ø6.0
±0.2
0.2
ø6.0
± 0.2
(0.236
± 0.008)
(0.236
(0.236±±0.008)
0.008)
6.0
± 0.2
(0.236
± 0.008)
(0.236 ± 0.008)
8.0 ± 0.2
9.2 ± 0.2(0.315 ± 0.008)
± 0.2
(0.362 ± 8.0
0.008)
(0.315 ± 0.008)0.75
8.2 ± 0.3
(0.030) REF
ø6.0(0.323
± 0.2 ± 0.012)
8.3 ± 0.3
ø6.0 ± 0.2
ø6.0 ± 0.2
(0.327 ± 0.012)
(0.047) REF
8.3 ± 0.3
1.2
(0.236 ± 0.008)
ø6.0 ±ø6.0
0.2 ± 0.2
(0.236 ± 0.008)
Y1 Y1
Y2 Y2
ø6.0 ± 0.2
ø6.0 ± 0.2
(0.327 ± 0.012)
(0.047)
.2
ø6.0
± 0.2
8)
± 0.008)
(0.236(0.236
± 0.008)
8.3 REF
± Y1
0.3
Y2(0.236 ± 0.008)
(0.236 ± 0.008)
008)
(0.236 ± 0.008)
ø6.0 ± 0.2
ø6.0 ± 0.2
(0.327
± 0.012)
(0.047) REF
8.2 ± 0.3
Y1 0.75
Y2
± 0.2
6.0 ± 0.2
9.2 ± 0.2
(0.236 ± 0.008)
(0.236 6.0
± 0.008)
MAX
7.0
(0.323 ± 0.012)
Y1
Y2 REF
Z1
Z2
6.0 ± 0.2
(0.030)
6.0 ± 0.2
0.2
ø6.0 ± 0.2
(0.236 ± 0.008) X
6.0 ± 0.2
(0.236 ± 0.008)
(0.362 ± 0.008) MAX 7
MAX
7.0
.0
(0.276)
6.0
± 0.2
6.0 ± 0.2
6.0
± 0.2
6.0
±
0.2
MAX
7
.0
236
± 0.008)
(0.236
±
0.008)
MAX
7
.0
0.008)
(0.236
±
0.008)
(0.236
±
0.008)
(0.276)(0.276)
Nom
Nom
Nom
Nom(0.236 ± 0.008)
X
(0.236 ± 0.008) 6.0 Nom
X
0.236 ± 0.008)
(0.236 ± 0.008)
(0.276)
(0.276) 6.0 ± 0.2
± 0.2
X
MAX 7.0
1.0 X
1.0
(0.236 ± 0.008)
(0.236 ±7.0
0.008)ø6.0 ± 0.2
mm
3.6
3.6
2.5
2.0
(0.276)
ø6.0 ±1.0
0.2 1.0
(0.039) REF
(0.039)
REF
1.2
MAX
7
.0
X
6.0 ± 0.2
1.0
6.0 ± 0.2
1.0
(0.039)
REF 1.2 1.2
(0.236
±
0.008)
(0.236
± 0.008)
(0.039)
REF 1.0
(0.047)
REF
(0.276)
6.0 ± 0.2
(0.236 ± 0.008) in*
6.0 ± 0.2
(0.039) REF
8.2 ± 0.2
± 0.008)
REF
1.2
REF (0.047)
REF
0.276 (0.039)
0.142
0.142
0.098 6.0(0.236
0.079
1.0(0.039)(0.047)
REF 1.2
6.0 ± 0.2
1.0
± 0.2
6.0
± 0.2
± 0.008)
8.2 ± 0.2
14.0 ± 0.5
(0.236(0.236
± 0.008)
(0.323 ± 0.008)
(0.047) REF
(0.047) REF
(0.039) REF 8.2 ± 0.2
(0.236
(0.039) REF 8.2 ±Z1
0.2
(0.236 ± 0.008)
1.2 Z1Z2
(0.236 ± 0.008)
8.2 ± 0.2(0.552
Z2± 0.008) 6.0 ± 0.2
(0.323 ± 0.008)
6.0±±0.020)
0.2
8.2 ± 0.2
(0.047)
REF Z1
(0.323
± 0.2
0.008)
8.2 ± 0.2
Z2 (0.236 ± 0.008)
(0.323
±±0.008)
8.0 ±
(0.236 ± 0.008)
8.2(0.323
0.2± 0.008)
8.0 ±±0.2
(0.323
0.008)
(0.323 ± 0.008)
± 0.2
(0.3158.2
± 0.008)
(0.323 ± 0.008)
Z1
Z2
(0.315 ± 0.008)
ø0.8
(0.323 ± 0.008)
(0.032) REF
* The dimensions in inches are rounded approximations.
† Parts with no leads are not solderable and are meant for insertion into magazine clips.
3.8 ± 0.3
(0.150 ± 0.012)
Figure G10 — Three Electrode 7mm Product Dimensions
1.2
(0.047) REF
8.3 ± 0.3
Radial Leaded
(0.327 ± 0.012)
(GTCR37-XXXM-R10)
ø6.0 ± 0.2
(0.236 ± 0.008)
11.5 ± 0.5
MAX 711.5
.0 ± 0.5
(0.453 ± 0.020)
(0.453 ± 0.020)
(0.276)
6.0 ± 0.2
0.2
0.008)
11.5 ± 0.5 (0.236 ± 0.008)
(0.453 ± 0.020)
1.0
(0.039) REF
7.0 ± 0.5
(0.276 ± 0.020)
ø7.5 ± 0.2
6.0 ± 0.2
8.2 ± 0.2
(0.296
± 0.008) (0.236 ± 0.008)
(0.323 ± 0.008)
2.0
(0.079)
ø6.0 ± 0.2
(0.236 ± 0.008)
1.0
ø7.5REF
± 0.2 ø71.2
.5 ± 0.2
(0.039)
(0.296 ± 0.008)
(0.296
0.008)
(0.047) ±
REF
Radial Leaded with-FS
Y1
Y2
(GTCR37-XXXM-R10-FS2)
ø7.5 ± 0.2
11.5 ± 0.5
11.5 ± 0.5 ø7.5 ± 0.2
6.0 ± 0.2
(0.296 ± 0.008)
(0.296 ± 0.008)
(0.236 ± 0.008)(0.453 ± 0.020)(0.453 ± 0.020)
X
ø7.5 ± 0.2 ø7.5 ± 0
(0.296 ± 0.008)
(0.296 ± 0
6.0 ± 0.2
(0.236 ± 0.008)
8.2 ± 0.2
(0.323 ± 0.008)
Z1
7.0 ± 0.5
7.0 ± 0.5 ø1.0
ø1.0
ø1.0
ø1.0
(0.276 ±(0.039)
0.020) REF (0.039) REF
(0.039) REF (0.039) REF (0.276 ± 0.020)
1.5
(0.059)
4.4 ± 0.3
4.4 ± 0.3
(0.173 ± 0.012)
(0.173 ± 0.012)
11.5
(0.453
Z2
7.0 ± 0.5
7.0 ± 0.5
(0.276 ± 0.020)
(0.276 ± 0.020)
2.0
(0.079)
4.4 ± 0.3
4.4 ± 0.3
(0.173 ± 0.012)
(0.173 ± 0.012)
† Parts with no leads are not solderable and are meant for insertion into magazine clips.
RoHS Compliant, ELV Compliant
HF Halogen Free
TE Connectivity /// Circuit protection product catalog
79
(0.118)
(0.406 ± 0.012)
10.0 ± 0.3
10.0 ± 0.2
ø8.0 ± 0.2
(0.394 ± 0.012)
(0.394
±±
0.008)
8.0
0.2 (0.315 ± 0.008)
(0.315 ± 0.008)
–0.079
10.0 ± 0.3
MAX
9.2
(0.394
± 0.012)
(0.362)
9
8.0
± 0.2
+1.5
4.5 –0± 0.008)
(0.315
10.3 ± 0.3
8.0 ± 0.2
(0.406 ± 0.012)
(0.315 ± 0.008)
ø8.0 ± 0.2
8.0 ± 0.2
(0.315 ±(0.315
0.008)± 0.008)
(0.315 ± 0.008)
(0.059)
+0.059
0.177 –0.000
10.0 ± 0.3
0.5
ø1.0
1.5
(0.394 ± 0.012)
(0.020)
4.4 ± 0.3
(0.039) REF (0.059)
(0.173 ± 0.012)
(
MAX 9.2
(0.362)
15.0 ± 0.5
(0.591 ± 0.020)
MAX 9.2
Gas Discharge Tubes
(GDTs)
+1.5
8.0 ± 0.2
(0.362)
4.5
+0
15.5 –1.5
1.5+0.000
(0.611
–0.059)
0.5
(0.020)
)
3.0
(0.118)
8.0 ± 0.2
M
+0
ø7.2 ± 0.2
± 0.2
15.58.0
–1.5
(0.315
0.008)
0.5 ±+1.5
8.0 ±± 0.008)
0.2
(0.315
+0.000
4.5 (0.284
(0.020)
–0 1.5± 0.008)
(0.611 –0.059)
(0.315 ± 0.008)
(0.059)
+0.059
0.5
0.177 –0.000
0.5 1.5
10.0 ± 0.3
(0.020)
(0.394ø1.0
± (0.020)
0.012)
(0.059) 1.5
± 0.3
(0.039) REF 4.4
(0.059)
(Cont’d)
(0.173 ± 0.012)
–0
+0.059
0.177 –0.000
10.0 ± 0.3
8.0 ± 0.2
ø1.0
4.4 ± 0.3
(0.394
± 0.012)
(0.315 ± 0.008)
(0.039)
REF
(0.173 ± 0.012)
)
)
(
Figures G3-G11 — Dimensions for Gas Discharge Tubes
+0.0
Figure G11 — Three Electrode 8mm Product
13.4 –2.0 Dimensions
(0.528 +0.000)
)
(
)
)
(
+0.0
13.4 –2.0
10.3 ± 0.3
3.0
10.3 ± 0.3
+0.000
(0.406
±(0.118)
0.012)
MAX 9.
2
0.528
8.0 ± 0.2
(0.406 ± 0.012) –0.079
(0.362)
15.0 ± 0.5
8.0 ø±7.2
0.2± 0.2
8.0 ± 0.2
8.0 ± 0.2
(0.591 ± 0.020)
+1.5
± 0.008)
(0.284
± 0.008)
(0.315 ± 0.008)
(0.315 ± 0.008) 4.5 –0 (0.315
8.0 ± 0.2
10.0 ± 0.3
(0.394 ± 0.012)
(0.362)
MAX 10.8
(0.425)
MAX 16.0
MAX 9.2
15.5 ± 0.5
(0.630)
(0.362)
78.0
.0 ±±0.5
(0.610 ± 0.020)
10.0 ± 0.3
0.2
7.0 ± 0.5
(0.276
+1.5
(0.394 ± 0.012)
+0± 0.020)
(0.315±±0.020)
0.008)
(0.276
4.5 –0
15.5
–1.5
+1.5
+0.000
4.5 –0
+0.059
(0.611
10.0
±
0.3
8.0
± 0.2)
–0.059
77 –0.000
ø1.0
ø1.0
+0.059 (0.394 ± 0.012)
(0.315 ± 0.008)
4.4
± 0.3
(0.039) REF
0.177
(0.039) REF 4.4 ± 0.3
–0.000
ø1.0
(0.173 ± 0.012)
(0.173 ± 0.012)
4.4 ± 0.3
(0.039) REF
ø1.0
(0.173 (0.039)
± 0.012)REF 4.4 ± 0.3
(0.173 ± 0.012)
0.2
0.008)
)
(0.059)
+1.5 0.5
4.5 –0
(0.020)
4.4 ±+0.059
0.3 +0.0
(0.039)
REF 0.177
ø1.0
–0.000
–2.0
(0.1734.4
±13.4
0.012)
± 0.3
(0.039) REF
ø1.0
+0.000
(0.173
± 0.012)
0.528
–0.079
(0.039)
REF
)
(
+0.0
(GTCR38-XXXM-R10)
13.4 –2.0
(
)
)
.2
008)
MAX 16.0
(0.630)
ø7.5 ± 0.2
(0.296 ± 0.008)
10.0 ± 0.3
(0.394 ± 0.012)
+0.0
13.4 –2.0 7.0 ± 0.5
(0.276 ± 0.020)
+0.000
(0.528 –0.079)
7.0 ± 0.5
(
10.0 ± 0.3
ø8.0 ± 0.2
(0.394 ± 0.012)
10.0 ± 0.3
(0.315 ± 0.008)
0.3ø7.5 ± 0.2
(0.394 ± 0.012)10.0 ±(0.296
(0.394 ± 0.012) ± 0.008)
8.0 ± 0.2
(0.315 ± 0.008)
10.0 ± 0.3
ø7.5 ± 0.2
+0.0
(0.394 ± 0.012)
13.4 –2.0
(0.296 ± 0.008)
(0.296 ± 0.008)
10.0 ± 0.3
(0.394 ± 0.012)
ø7.5 ± 0.2
(0.296 ± 0.008)
0.5
(0.020) ø7.5 ±1.5
0.2
(0.296(0.059)
± 0.008)
ø8.0 ± 0.2
MAX (0.315
17.5 ± 0.008)
(0.689)
ø1.0
(0.276 ± 0.020)
(0.039) REF 4.4 ± 0.3
MAX 17.5
(0.173 ± 0.012)
7.0 ± 0.5
MAX
10.8
(0.689)
ø1.0
(0.276 ± 0.020)
(0.039) (0.425)
REF 4.4 ± 0.3
15.5 ± 0.5
(0.173
±
0.012)
Pad Layout - Surface-mount
(0.610 ± 0.020)Devices
ø1.0
+1.5
(GTCS38-XXXM-R10)
4.5 –0
(0.039)
REF 4.4 ± 0.3
(0.173 ± 0.012)
+0.059
Y1
Y2
0.177 –0.000
ø1.0 10.0 ± 0.3
4.4 ± 0.3
(0.039)(0.394
REF ± 0.012)
(0.173 ± 0.012)
X
mm
ø7.5 ± 0.2
)
(0.362)
ø8.0 ± 0.2
)
(
0.354
0.183
0.183
X
0.098
Z2
(
1.5
Z2
7.0 ± 0.5
(0.276 ± 0.020)
)
ø8.0 ± 0.2
(0.315 ± 0.008)
MAX 13.5
ø7.5 ± 0.2
(0.296 ± 0.008)
+1.5
4.5 –0
18.0 ± 0.5
(0.709 ± 0.020)
10.0 ± 0.3
(0.394 ± 0.012)
(0.177 +0.059
–0.000)ø7.5 ± 0.2
ø1.0
HF Halogen Free
4.4 ± 0.3
TE Connectivity /// Circuit protection product
catalog
(0.039) REF
(0.173 ± 0.012)
Z1
ø1.0
+0.0
4.4 ± 0.3
(0.039) REF
13.4 –2.0
(0.173
+0.000± 0.012)
0.528 –0.079
Z2
Nom
0.059
15.5 ± 0.5
10.0(0.610
± 0.3 ± 0.020)
(0.394 ± 0.012)
+1.5
(0.630)
(0.489)
(0.425)
Y2
10.0 ± 0.3
8.0 ± 0.2
ø7.5 ± 0.2
10.0 ± 0.3
MAX 17
(0.394 ± 0.012)(0.394(0.315
0.008)
.0 ±±0.5
(0.296 ± 0.008)
±70.012)
(0.689)
(0.276 ± 0.020)
X
Z1
Z2
ø1.0
(0.039) REF 4.4 ± 0.3
MAX
16.0
(0.173
± 0.012)
(0.177 +0.059
–0.000)
7.0 ± 0.5
(0.276 ± 0.020)
Y1
X
(0.315 ± 0.008)
)
(
3.0
MAX 9.2
+0.000
0.528 –0.079
7.0 ± 0.5
7.0(0.276
± 0.5 ± 0.020)
(0.296 ± 0.008)
Z1
4.5 –0 into magazine clips.
† Parts with no leads are
not solderable and are meant for insertion
80
)
(
10.3 ± 0.3
)
(
MAX 10.8
4.4 ± 0.3
(0.173 ± 0.012)
)
(
(0.276 ± 0.020)
Z1
7.0 ± 0.5 Z2
10.0 ± 0.3
(0.276
ø7.5±±0.020)
0.2
* The (0.394
dimensions
± 0.012) in inches are rounded approximations.
ø1.0
(0.039) REF
15.0 ± 0.5
(0.591 ± 0.020)
+1.5
4.5 –0
ø7.5 ± 0.2 MAX+0.059
13.5
0.177
(0.296 ± 0.008)
(0.489)
–0.000
10.0 ±18.0
0.2 ± 0.5
(0.394(0.709
± 0.008)
± 0.020)
ø1.0
4.4
±
0.3
(0.039) REF
7.0 ± 0.5
7.0 ± 0.5
+1.5
(0.173
± 0.012)
4.5 –0
(0.276 ± 0.020)
(0.276 ± 0.020)
ø7.2 ± 0.2
8.0 ± 0.2
+0.059
0.177 –0.000
(0.284 ± 0.008)
(0.315 ± 0.008)
ø1.0 ø1.0
4.4
(0.039)
4.4 ±ø1.0
0.3± 0.3 4.4 ± 0.3
(0.039)
REF REF
(0.039)
REF
(0.173
± 0.012)0.5
(0.173
± 0.012)
(0.173
± 0.012)
(0.020)
1.5
(0.059)
Dimensions in(0.406
these
drawings
(0.118) ø7.5 ± 0.2
± 0.012)
10.0 ± 0.3
(0.296 ± 0.008)
are in millimeters
(inches)
(0.394
Y1± 0.012) Y2
MAX 13.5
ø1.0
7.0 ± 0.5
4.4 ± 0.3
(0.489)
(0.039) REF ø1.0
± 0.5
(0.276 ±18.0
0.020)
4.4 ± 0.3
(0.173REF
± 0.012)
(0.039)
(0.709 ± 0.020)
(0.173 ± 0.012)
+1.5 ø1.0
4.5 –0
(0.039) REF 4.4 ± 0.3
(0.173 ± 0.012)
+0.059
0.177 –0.000
X
Y1 ø1.0
Y2
Z1
+0.0
(0.039)
13.4
–2.0
Y1REFNom
Y24.4 ± 0.3 Nom
Nom
Nom
ø8.0 ± 0.2
(0.173
±
0.012)
+0.000
(0.315 ± 0.008)
0.528
9.0
4.65 –0.079 4.65
2.5
in*
(0.296 ± 0.008)
)
(GTCS38-XXXM-R10)
ø7.5 ± 0.2
10.0 ± 0.3
(0.394 ± 0.012)
± 0.008)
ø8.0 ± 0.2
(0.315 ± 0.008)
(0.315 ± 0.008)0.528 +0.000
–0.079
10.0 ±10.0
0.3 ± 0.3
± 0.012) ø7.5 ± 0.2
(0.394(0.394
± 0.012)
(0.296 ± 0.008)
(
)
(
)
(
)
(
)
(
+0 (0.296
8.0 ± 0.2
(0.315 ± 0.008)
Radial Leaded with-FS
+0.0
13.4 –2.0
(GTCR38-XXXM-R10-FS2)
8.0 ± 0.2
–1.5
+1.5
+0.000
4.5 –0
(0.611
–0.059)
ø7.5 ± 0.2
10.0
± 0.3
(0.296 ± 0.008)
MAX+0.059
10.8
(0.394 ± 0.012)
0.177
–0.000
X ± 0.3
3.0
(0.425)
10.3
15.5 ± 0.5 (0.118)
(0.406 ± 0.012)
MAXø1.0
16.0
MAX 17.5
4.4 ± 0.3
(0.610 ± 0.020)
(0.039)
(0.630) REF
0 ± 0.5
(0.173 ±7.0.012)
+1.5
7.0 ± 0.5 (0.689)
4.5 –0
(0.276 ± 0.020)
MAX 9.2
MAX 16.0 (0.276 ± 0.020)
+0.059
Z1
Z2
(0.362) (0.630)
0.177 –0.000
ø1.0
7.0 ± 0.5
ø1.0ø1.0
4.4 ± 0.34.4 ± 0.3
(0.039) REF
(0.276
± 0.020)
(0.039)
4.4
± 0.3
(0.039)
REFREF
(0.173
± (0.173
0.012)
± 0.012)
(0.173
±10.0
0.012)
± 0.3
8.0 ± 0.2
ø1.0 ± 0.012)
(0.394
(0.315 ± 0.008)
(0.039) REF 4.4 ± 0.3
Surface-mount
(0.173 ± 0.012)
ø7.5 ± 0.2
(0.2960.5
± 0.008)
MAX 13.5
10.0 ± 0.3
(0.489) (0.020)(0.394 1.5
± 0.012) 18.0 ± 0.5 ø8.0 ± 0.2
(0.059)
(0.709 ± 0.020)
X 17.5
(0.315 ± 0.008)
MAX
13.5
7.0 ± 0.5
7.0 ± 0.5
.689)
(0.489) (0.276 ± 0.020) (0.276 ± 18.0
0.020)
+1.5
± 0.5
4.5 –0 8.0 ± 0.2
(0.709 ± 0.020)
(0.315 ± 0.008)
+0.059
ø1.0
ø1.0 0.177 –0.000
+1.5
(0.039) REF 4.4 ± 0.3 ø1.0
4.5 (0.039) REF 4.4 ± 0.3
(0.173 ± 0.012)
(0.173 ± 0.012) –0
0.5
4.4 ± 0.3
(0.039)+0.059
REF
0.177 (0.020)
–0.000
(0.173 1.5
± 0.012)
(0.059)
ø1.0
Radial
Leaded
with-FT
4.4 ± 0.3
2
(0.039) REF
(0.173 ± 0.012)
(GTCR38-XXXM-R10-FT)
008)
(
4.4 ± 0.3
15.5
0.5
(0.039)
REF
(0.173
± 0.012)
4.4 ± 0.3
(0.039)
REF
ø1.0
(0.173±±10.0
0.012)
(0.173
0.012)
4.4 ±
0.3± 0.3
(0.039) REF
(0.394
± 0.012)+0.0
(0.173
± 0.012)
13.4 –2.0
+0.000
0.528 –0.079
ø8.0 ± 0.2
ø7.5 ± 0.2
(0.315
0.008)
ø7.5 ±±0.2
Y1 (0.296Y2
± 0.008)
)
(
ø8.0 ± 0.2
(0.315 ± 0.008)
+0.000
0.528 –0.079
+1.5
4.5 –0
ø1.0
8.0 ± 0.2
.0(0.315
±± 0.5
15.5 7
±
0.5
(0.362)
10.0 ± 0.3
8.0
0.2± 0.008)
± 0.5
±
± 0.020)
(0.394 ± 0.012) 7(0.610
(0.315
± 0.020)
0.008)
.07.0±(0.276
0.5
(0.276 ± 0.020)
(0.276 ± 0.020)
+0.059 ø1.0
1.5
0.3
) 4.4 ±(0.020)
(0.177
(0.039)
REFø1.0
–0.000
4.4 ±(0.059)
0.3
(0.173 ± 0.012)
ø8.0 ± 0.2
10.3 ± 0.3
(0.315 ± 0.008)
(0.406 ± 0.012)
+0.000
10.00.528
± 0.310.0
± 0.3
–0.079
(0.394 ± 0.012)
(0.394 ± 0.012)
)
0.2
.008)
(0.630)
Radial Leaded with-FS
+0.0
(GTCR38-XXXM-R10-FS)
13.4 –2.0
ø8.0 ± 0.2
10.0 ± 0.3
+0.000
10.0 ± 0.3
(0.315 ± 0.008)
7.5 ± 0.2
0.528
–0.079
(0.394 ± 0.012)
± ø0.2
(0.394 ± 0.012) ø7.2(0.296
+0.08.0 ± 0.2
±
0.008)
13.4 –2.0
(0.284 ± 0.008)
(0.315 ± 0.008)
(
MAX 10.8
(0.425)
MAX
16.0MAX 9.2
(0.591 ± 0.020)
)
)
(
1.5
(0.059)
)
(
(
10.0 ± 0.2Leaded
Radial
(0.394 ± 0.008)
3.0
10.3+0.0
± 0.3
10.0 ± 0.3 13.4
ø7.5 ± 0.2 (0.118)
(0.406
±0.3
0.012)
10.0 ±–2.0
(0.394 ± 0.012)
8.0 ± 0.2
ø7.5 ± ø0.2
10.0 ±±
0.3
(0.296 ± 0.008)
+0.000
(0.394
0.012)
± 0.008)
0.528
(0.296 (0.315
± 0.008)
(0.394
± 0.012)
–0.079
10.3 ± 0.3
3.0
MAX 9.2
(0.406 ± 0.012)
(0.118)
ø7.5
±
0.2
(0.362)
(0.296 ± 0.008)
)
–0
)
(0.177 +0.059
–0.000ø1.0
(0
No Leads with-FT
(GTCN38-XXXM-R10-FT)†
)
(
)
)
(
+0.0
(
15.0 ± 0.5
8.0 ±(0.591
0.2 ± 0.020)
(0.315 ± 0.008)
–0.000
15.5 ± 0.5
MAX 16.0
(0.610 ± 0.020)
ø1.0
(0.630)
0.50.5
+1.5
(0.020)
4.4
1.5
7.0±±0.3
0.5
1.5REF
(0.020) (0.039)
4.5 –0
(0.059)(0.173
(0.276±±0.012)
0.020)
(0.059)
+0.059
0.177 –0.000
ø1.0
ø1.0
4.4
0.3
(0.039)
REF 4.4
±±
0.3
(0.039)
REF
(0.173
0.012)
(0.173
±±
0.012)
10.0–2.0
± 0.3
13.4
10.0 ± 0.2
8.0 ± 0.2
ø8.0
± ø0.2
(0.394+0.000
± 0.012)
ø7.5
± 0.2
(0.394 ± 0.008) (0.315
± 0.008)
10.0 ± 0.3
0.528
± 0.008)
+0.0(0.315
–0.079
± 0.008)
13.4 (0.296
(0.394 ± 0.012)
–2.0
10.0
± 0.2
+0.000
0.528
8.0 ± 0.2
(0.394–0.079
± 0.008)
ø7.2 ± 0.2
8.0 ± 0.2
(0.315 ± 0.008)
MAX 13.5
(0.284 ± 0.008)
(0.315 ± 0.008)
(0.489)
18.0 ± 0.5
8.0 ± 0.2
0.5
ø7.2 ± 0.2
8.0
(0.709 ± 0.020) MAX 17
.5 ± 0.2
0.5(0.284
1.5± 0.008)
(0.020) (0.315
± 0.008)
(0.315 ± 0.008)
7
.
0 ± 0.5
(0.689)
(0.020)
1.5
(0.059) (0.276
+1.5
15.0
± 0.5
±
0.020)
4.5
)
(
)
(
(
8.0 ± 0.2
(0.315 ± 0.008)
ø8.0 ± 0.2
ø8.0(0.315
ø±7.50.2
±±
0.20.008)
(0.315
± 0.008)
(0.296
± 0.008)
)
+1.5
0.2
8.0 ø
±7.2
0.2±4.5
–0
MAX
(0.284
± 0.008)
(0.315
±10.8
0.008)
+0.059
(0.425)
0.177
No Leads
(GTCN38-XXXM-R10)†
+0.0
(0.315
± 0.008)
13.4
+0.0
–2.0
13.4 –2.0
3.0
+0.000
10.0 ± 0.3 10.3 ± 0.3
ø8.0 ± 0.2
ø7.5 ± 0.2
10.0
± 0.3
ø
7
.5
±
0.2
0.528
(0.118)
+0.000
(0.406 ± 0.012)
–0.079
(0.3940.5
± 0.012)
0.528
(0.296 ± 0.008)
(0.394 ±(0.315
0.012)± 0.008)
–0.079
(0.296 ± 0.008)
8.0 ± 0.2 ø8.0 ± 0.2
10.3 ± 0.3
1.5
(0.020)
3.0
(0.315 ± 0.008)
10.3 ±±0.3
(0.406
0.012) (0.315 ± 0.008)
(0.059)
(0.118)
(0.406 ± 0.012)
MAX 9.2
(0.362)
(
)
(
Axial Leaded with-FT
(GTCA38-XXXM-R10-FT)
MAX 9.2
8.0 ± 0.2
15 ± 0.008)
)
(
)
)
(
)
+0.0
13.4 –2.0
± 0.2
10.010.0
± 0.3
8.0 ± 0.2
+0.000
(0.394
±
(0.394
±±0.012)
(0.3150.528
±
0.008)
10.0
0.30.008)
–0.079
(0.394 ± 0.012)
(0.315 ± 0.008)
+0
15.5 –1.5
8.0 ± 0.2
+0.000
(0.611 –0.059
)
(0.315
8.0± ±0.008)
0.2
(0.315
18.0 ±
0.5 ± 0.008)
MAX 9.24.5 +1.5 MAX 9.2
0.5–0 13.5(0.362)
(0.362) MAX
1.5
(0.020)
+0.059
(0.489)
0.177 –0.000
(0.059)
(0.709 ± 0.020)
0.5
ø1.0
± 0.3
10.010.0
±(0.020)
0.3
8.0
4.4 ±1.5
0.3± 0.2
(0.039)
REF
(0.394
±
0.012)
+1.5(0.394
± 0.012)(0.173
(0.315
± 0.008)
(0.059)
± 0.012)
4.5 –0
10.0 ± 0.3
+0.059
0.177 –0.000
(0.394 ± 0.012)
ø1.0
4.4 ± 0.3
(0.039) REF
(0.173 ± 0.012)
MAX 10.8
15.0 ± 0.5
(0.425)0.177 +0.059
–0.000
(0.591 ± 0.020)
0.5± 0.5
+1.5 15.5
0.5
4.5 –0(0.610
±
0.020)
(0.020)
ø1.0
1.5
1.5
(0.020)
+1.5
+0.059
4.4 ± 0.3 (0.059)
(0.039)
REF
(0.059)
4.5 –0
0.177
–0.000
(0.173 ± 0.012)
+0.059
ø1.0
177 –0.000
(0.039) REF 4.4 ± 0.3
ø1.0
(0.173 ± 0.012)
4.4 ± 0.3
(0.039) REF
(0.173
± 0.012)
10.3 ± 0.3
3.0
(0.406 ± 0.012)
(0.118)
(
3.0
ø8.0 ± 0.2
(0.118)
(0.315 ± 0.008)
)
(
13.4with-FS
Axial Leaded
–2.0
(GTCA38-XXXM-R10-FS2)
(0.528 +0.000
–0.079)
(0.118)
(0.406 ± 0.012)
)
(
+0.0
–0.079
Axial
Leaded
with-FSø8.0 ± 0.2
10.3 ± 0.3
(0.315
10.3
±(0.406
0.3 ± 0.012)
3.0 ± 0.008)
(GTCA38-XXXM-R10-FS)
Axial Leaded
+0.0
13.4 –2.0
(GTCA38-XXXM-R10)
+0.000
0.528 –0.079
+0.0
13.4 –2.0
+0.0
10.0 ± 0.2
10.0
± 0.3
13.4
+0.000
–2.0
(0.394
±ø0.008)
0.528
ø8.0
± 0.2
8.0 ± 0.2
(0.394
0.012)
–0.079
8.0 ± ±
0.2
+0.000
(0.315 ± 0.008)
(0.315 ± 0.008)
0.528
(0.315
± 0.008)
–0.079
7.0 ± 0.5
(0.276 ± 0.020)
MAX 17.5
(0.689)
(0.296
± 0.008)
ø1.0
4.4 ± 0.3
(0.039)
RoHSREF
Compliant,
ELV Compliant
(0.173 ± 0.012)
7.0 ± 0.5
(0.276 ± 0.020)
9
Gas Discharge Tubes (GDTs)
Fail-Short Mechanism for Gas Discharge Tubes
Fail-Short Mechanism — FS
Figure G12
Short Circuit Spring
The FS fail-short mechanism is a short circuit spring mounted onto a solder pellet l­ocated
at the center electrode of the gas tube. Under normal operating conditions, the pellet is
positioned to make the spring float above the outer electrodes, as shown in Figure G11 on
the previous page..
When a prolonged discharge event causes the gas tube temperature to reach the ­melting
point of the solder, the pellet softens allowing the short circuit spring to ­contact with both
outer electrodes (Figure G12). This process results in a permanent short circuit b
­ etween all
three electrodes creating a low resistance path that conducts the fault current to ground
without generating a significant amount of heat.
Fail-Short Mechanism — FT
Solder Pellet
Outer Electrode
Ceramic Tube
Center Electrode
Figure G13
Short Circuit Spring
The FT fail-short mechanism is a short circuit spring with a piece of plastic foil spot welded
onto the center electrode. Under normal operating conditions, the plastic foil makes the
spring insulated from the two outer electrodes.
When a prolonged discharge event causes the gas tube temperature to reach the ­melting
point of the plastic foil, the plastic foil melts allowing the short circuit spring to contact both
outer electrodes (Figure G13). This process results in a permanent short circuit b
­ etween all
three electrodes creating a low resistance path that conducts the fault current to ground
without generating a significant amount of heat.
Plastic Foil
Ceramic Tube
Outer Electrode
Center Electrode
Operation and Storage Temperatures for Gas Discharge Tubes
Operation Temperature Range Models without Fail-Short Mechanism : -40°C/+90°C Models with Fail-Short Mechanism : -20°C/+65°C Storage Temperature Range
Models without Fail-Short Mechanism : -40°C/+90°C
Models with Fail-Short Mechanism : -20°C/+65°C
Packaging Information for Gas Discharge Tubes
Parts in Bulk
Min Order
Quantity
Part Description
3mm 2Pole Surface-mount
Parts in Tape and Reel
Box
Quantity
Tape and Reel
Min Order Quantity
Box
Quantity
—
—
2000
16000
5mm 2Pole No leads
5000
20000
—
—
5mm 2Pole Leads
1000
5000
—
—
—
—
1500
12000
6mm 2Pole No leads
2000
10000
—
—
6mm 2Pole Leads
1000
5000
—
—
6000
5mm 2Pole Surface-mount
6mm 2Pole Surface-mount
—
—
750
8mm 2pole No leads
2000
10000
—
—
8mm 2Pole Leads
1000
5000
—
—
4000
8mm 2Pole Surface-mount
—
—
500
5mm 3Pole No leads
2500
10000
—
—
5mm 3Pole Leads
1000
5000
—
—
8000
5mm 3Pole Surface-mount
—
—
1000
6mm 3Pole No leads
2500
10000
—
—
6mm 3Pole Leads
1000
5000
—
—
4500
—
—
750
7mm 3Pole Leads
6mm 3Pole Surface-mount
1000
5000
—
—
8mm 3Pole No leads
1000
5000
—
—
8mm 3Pole Leads
1000
5000
—
—
—
—
500
2500
8mm 3Pole Surface-mount
RoHS Compliant, ELV Compliant
HF Halogen Free
TE Connectivity /// Circuit protection product catalog
81
9
Gas Discharge Tubes (GDTs)
Installation for Gas Discharge Tubes
Care should be taken when installing GDTs equipped with fail-short mechanisms into arrester magazines, printed circuit boards, etc. Too much
downward pressure may force the short circuit spring through the thin insulation tube creating a shorted condition.
Solder Reflow Recommendations for Surface-mount GDT Devices
Surface-mount GDTs can be soldered using standard Pb-free reflow profiles.
Table G4 — Tape and Reel Specifications
Tape Dimension
EIA Mark
3mm devices (2 pole)
Dimension (mm)
5mm devices (2 pole)
Dimension (mm)
6mm devices (2 pole)
Dimension (mm)
8mm devices (2 pole)
Dimension (mm)
A0
3.40±0.10
4.9±0.10
6.70±0.10
8.60±0.10
B0
5.00±0.10
5.5±0.10
4.60±0.10
6.40±0.10
D0
1.50+0.10/-0
1.50+0.10/-0
1.50+0.10/-0
1.50+0.10/-0
D1
—
1.5 MIN
—
—
E1
1.75±0.10
1.75±0.10
1.75±0.10
1.75±0.10
14.25±0.30
E2
14.25±0.30
14.25±0.30
14.25±0.30
F
7.50±0.10
7.50±0.10
7.50±0.10
7.50±0.10
P0
4.00±0.10
4.00±0.10
4.00±0.10
4.00±0.10
P1
8.00±0.10
8.00±0.10
12.00±0.10
12.00±0.10
P2
2.00±0.10
2.00±0.10
2.00±0.10
2.00±0.10
W
16.00±0.30
16.00±0.30
16.00±0.30
16.00±0.30
Dimension (mm)
TapeThickness
EIA Mark
Dimension (mm)
Dimension (mm)
Dimension (mm)
B1
—
—
—
—
K0
3.30±0.10
5.30±0.10
6.50±0.10
8.50±0.10
T
0.35±0.05
0.40±0.05
0.35±0.05
0.50±0.05
T1
—
—
—
—
T2
—
—
—
—
Dimension (mm)
Reel Dimension
EIA Mark
Dimension (mm)
Dimension (mm)
Dimension (mm)
A
330
330
330
330
B
2.20±0.50
2.20±0.50
2.20±0.50
2.20±0.50
C
13.00±0.20
13.00±0.20
13.00±0.20
13.00±0.20
D
20.20±1.00
20.20±1.00
20.20±1.00
20.20±1.00
N
100.00±1.00
100.00±1.00
100.00±1.00
100.00±1.00
W1
16.50±0.10
16.50±0.10
16.50±0.10
16.50±0.10
W2
21.10±02.00
21.10±02.00
21.10±02.00
21.10±02.00
Figure G14 — EIA Referenced Taped Component Dimensions
T
øD0
T2
P2
P0
[10 pitches cumulative tolerance
on tape ±0.2mm]
E1
A0
F
K0
B0
B1
T1
Cover Tape
B1 is for tape feeder reference only,
including draft concentric about B0
82
Center Lines of Cavity
P1
øD1
W
E2
Embossment
User Direction of Unreeling
TE Connectivity /// Circuit protection product catalog
HF Halogen Free
RoHS Compliant, ELV Compliant
9
Gas Discharge Tubes (GDTs)
Table G5 — Tape and Reel Specifications
Tape Dimension
EIA Mark
5mm devices (3 pole)
Dimension (mm)
6mm devices (3 pole)
Dimension (mm)
8mm devices (3 pole)
Dimension (mm)
A0
5.40±0.10
6.50±0.10
8.50±0.10
B0
8.00±0.10
8.60±0.10
10.60±0.10
1.50+0.10/-0
D0
1.50+0.10/-0
1.50+0.10/-0
D1
1.50(min)
1.50(min)
—
E1
1.75±0.10
1.75±0.10
1.75±0.10
E2
14.25±0.30
22.25±0.30
22.25±0.30
F
7.50±0.10
11.50±0.10
11.50±0.10
P0
4.00±0.10
4.00±0.10
4.00±0.10
P1
8.00±0.10
12.00±0.10
16.00±0.10
P2
2.00±0.10
2.00±0.10
2.00±0.10
W
16.00±0.30
24.00±0.30
24.00±0.30
Dimension (mm)
TapeThickness
EIA Mark
Dimension (mm)
Dimension (mm)
B1
—
—
—
K0
5.70±0.10
6.30±0.10
8.40±0.10
T
0.50±0.05
0.50±0.05
0.50±0.05
T1
—
—
—
T2
—
—
—
Dimension (mm)
Reel Dimension
EIA Mark
Dimension (mm)
Dimension (mm)
A
330
330
330
B
2.20±0.50
2.20±0.50
2.20±0.50
C
13.00±0.20
13.00±0.20
13.00±0.20
D
20.20±1.00
20.20±1.00
20.20±1.00
N
100.00±1.00
100.00±1.00
100.00±1.00
W1
16.50±0.10
24.50±0.10
24.50±0.10
W2
21.10±02.00
29.10±02.00
29.10±02.00
W3
—
—
—
Figure G15 — EIA Referenced Reel Dimensions
Full Radius
Access Hole at
Slot Location
(ø40mm min.)
W3 (Includes Flange Distortion at Outer Edge)
W2 (Measured at Hub)
A
C
D
N (Hub Diameter,
Maximum Weight of Reel and Contents = 13.6kg)
(Arbor Hole Diameter)
W1 (Measured at Hub)
B
RoHS Compliant, ELV Compliant
HF Halogen Free
If Present,
Tape Slot in Core
for Tape Start:
4.5 ± 0.05 Width x 10.0mm (min) Depth
TE Connectivity /// Circuit protection product catalog
83
9
Gas Discharge Tubes (GDTs)
Part Numbering System for Gas Discharge Tubes
Example Part Number
GT C S 2 3 - 231 M - R 01 - FS - 2
Packaging
2 = Tape and Reel
Nothing = Tray Packaging
FS = Solder Pellet Fail Short Mechanism on Top
FS2 = Solder Pellet Fail Short Mechanism on Bottom
FT = Plastic Fail Short Mechanism on Top
Surge Rating
01 = 8x20µs 1kA, 10 Hits
02 = 8x20µs 2.5kA, 10 Hits
05 = 8x20µs 5kA, 10 Hits
10 = 8x20µs 10kA, 10 Hits
20 = 8x20µs 20kA, 10 Hits
Product Family Designator
R = R Series
Tolerance of 20% on DC Switch Voltage
DC Switch Voltage of 230V
23 x 10*1 = 230V, 23 x 10*2 = 2300V
Diameter
3 = 3mm
5 = 5mm
6 = 6mm
7 = 7.5mm
8 = 8mm
Number of Electrodes (2, 3)
Lead Configuration
A = Axial Leads
C = Chip Type
N = No Leads
R = Radial Leads
S = Surface-Mount
T = T-Shape Leads
Ceramic
Gas Tube
NOTE: GTCS23-XXXM-R01 and GTCC23-XXXM-R01 parts available only in surface-mount and tape and reel packaging.
Marking Reference Guide — Example
352 R 05 GN
Year and Week of Manufacture
G = First Half of 2004
N = Week 14
Per Manufacturer’s Lot Number System
8x20µs 10 Hits Surge Current (05=5kA)
Product Family Designator
R = R Series
Voltage Designator (35 = 350V, 352=3500V)
Manufacturer’s Mark
NOTES: G
TCS23-XXXM-R01 and GTCC23-XXXM-R01 parts will have no marking. Devices with no leads (GTCNxx-xxxx-xx) are not able
to be soldered as their electrodes are nickel plated. They should be installed by insertion into a magazine clip.
Notice:
Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability and test each product selected
for their own applications. Tyco Electronics Corporation and its affiliates in the TE Connectivity Ltd. group of companies (“TE”) reserves the right to
change or update, without notice, any information contained in this publication; to change, without notice, the design, construction, processing, or
specification of any product; and to discontinue or limit production or distribution of any product. This publication supersedes and replaces all information
previously supplied. Without express written consent by an officer of TE, TE does not authorize the use of any of its products as components in nuclear
facility applications, aerospace, or in critical life support devices or systems. TE expressly disclaims all implied warranties regarding the information
contained herein, including, but not limited to, any implied warranties of merchantability or fitness for a particular purpose. TE’s only obligations are those
in the TE Standard Terms and Conditions of Sale and in no case will TE be liable for any incidental, indirect, or consequential damages arising from the
sale, resale, use, or misuse of its products.
84
TE Connectivity /// Circuit protection product catalog
HF Halogen Free
RoHS Compliant, ELV Compliant