20ETF.. Soft Recovery Series
Vishay High Power Products
Fast Soft Recovery
Rectifier Diode, 20 A
FEATURES/DESCRIPTION
The 20ETF.. fast soft recovery rectifier series has been
optimized for combined short reverse recovery time and low
forward voltage drop.
Base
cathode
2
The glass passivation ensures stable reliable operation in
the most severe temperature and power cycling conditions.
1
Cathode
TO-220AC
3
Anode
This product series has been designed and qualified for
industrial level.
APPLICATIONS
PRODUCT SUMMARY
VF at 20 A
• Output rectification and
choppers and converters
< 1.31 V
IFSM
355 A
VRRM
800 to 1200 V
freewheeling
in
inverters,
• Input rectifications where severe restrictions on conducted
EMI should be met
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
CHARACTERISTICS
VRRM
IF(AV)
VALUES
UNITS
800 to 1200
V
Sinusoidal waveform
20
IFSM
A
355
trr
1 A, 100 A/µs
VF
20 A, TJ = 25 °C
TJ
Range
95
ns
1.31
V
- 40 to 150
°C
VRRM, MAXIMUM PEAK REVERSE
VOLTAGE
V
VRSM, MAXIMUM NON-REPETITIVE
PEAK REVERSE VOLTAGE
V
IRRM
AT 150 °C
mA
20ETF08
800
900
20ETF10
1000
1100
20ETF12
1200
1300
VOLTAGE RATINGS
PART NUMBER
6
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Maximum average forward current
IF(AV)
Maximum peak one cycle
non-repetitive surge current
IFSM
Maximum I2t for fusing
I2 t
Maximum I2√t for fusing
I2√t
Document Number: 93140
Revision: 12-Jun-08
TEST CONDITIONS
TC = 97 °C, 180° conduction half sine wave
VALUES
10 ms sine pulse, rated VRRM applied
300
10 ms sine pulse, no voltage reapplied
355
10 ms sine pulse, rated VRRM applied
450
10 ms sine pulse, no voltage reapplied
635
t = 0.1 to 10 ms, no voltage reapplied
6350
For technical questions, contact: diodes-tech@vishay.com
UNITS
20
A
A2s
A2√s
www.vishay.com
1
20ETF.. Soft Recovery Series
Vishay High Power Products
Fast Soft Recovery
Rectifier Diode, 20 A
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
Maximum forward voltage drop
Forward slope resistance
VFM
rt
Threshold voltage
VF(TO)
Maximum reverse leakage current
IRM
TEST CONDITIONS
20 A, TJ = 25 °C
TJ = 150 °C
TJ = 25 °C
VR = Rated VRRM
TJ = 150 °C
VALUES
UNITS
1.31
V
11.88
mΩ
0.93
V
0.1
mA
6
RECOVERY CHARACTERISTICS
PARAMETER
SYMBOL
Reverse recovery time
trr
Reverse recovery current
Irr
Reverse recovery charge
Qrr
Snap factor
S
TEST CONDITIONS
VALUES
UNITS
400
ns
25 A/µs
25 °C
6.1
A
Typical
0.6
IF at 20 Apk
1.7
IFM
trr
ta
tb
t
dir
dt
µC
Qrr
IRM(REC)
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
Maximum junction and storage
temperature range
TJ, TStg
Maximum thermal resistance,
junction to case
RthJC
Maximum thermal resistance,
junction to ambient
RthJA
Typical thermal resistance,
case to heatsink
RthCS
TEST CONDITIONS
DC operation
UNITS
- 40 to 150
°C
0.9
62
Mounting surface, smooth and greased
°C/W
0.5
2
Approximate weight
Mounting torque
VALUES
g
0.07
oz.
minimum
6 (5)
maximum
12 (10)
kgf · cm
(lbf · in)
20ETF08
Marking device
Case style TO-220AC
20ETF10
20ETF12
www.vishay.com
2
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93140
Revision: 12-Jun-08
20ETF.. Soft Recovery Series
Fast Soft Recovery
Rectifier Diode, 20 A
35
20ETF.. Series
RthJC (DC) = 0.9 K/W
Maximum Average Forward
Power Loss (W)
Maximum Allowable Case
Temperature (°C)
150
140
130
Ø
Conduction angle
120
30°
60°
110
90°
120°
180°
5
0
15
10
20
25
20
RMS limit
15
Ø
10
Conduction period
5
20ETF.. Series
TJ = 150 °C
25
5
0
10
15
20
25
Average Forward Current (A)
Average Forward Current (A)
Fig. 1 - Current Rating Characteristics
Fig. 4 - Forward Power Loss Characteristics
350
150
20ETF.. Series
RthJC (DC) = 0.9 K/W
Ø
Conduction period
130
120
60°
110
30°
10
15
250
200
150
20ETF.. Series
DC
50
100
5
Initial TJ = 150 °C
at 60 Hz 0.0083 s
at 50 Hz 0.0100 s
100
90°
120°
180°
0
At any rated load condition and with
rated VRRM applied following surge.
300
140
Peak Half Sine Wave
Forward Current (A)
Maximum Allowable Case
Temperature (°C)
180°
120°
90°
60°
30°
30
0
100
20
30
25
1
35
10
100
Number of Equal Amplitude Half Cycle
Current Pulses (N)
Fig. 5 - Maximum Non-Repetitive Surge Current
Average Forward Current (A)
Fig. 2 - Current Rating Characteristics
400
35
180°
120°
90°
60°
30°
30
25
20
RMS limit
15
Ø
10
Conduction angle
5
10
15
20
25
Average Forward Current (A)
Fig. 3 - Forward Power Loss Characteristics
Document Number: 93140
Revision: 12-Jun-08
250
200
150
20ETF.. Series
0
5
Initial TJ = 150 °C
No voltage reapplied
Rated VRRM reapplied
300
100
20ETF.. Series
TJ = 150 °C
0
Maximum non-repetitive surge current
versus pulse train duration.
350
Peak Half Sine Wave
Forward Current (A)
Maximum Average Forward
Power Loss (W)
Vishay High Power Products
50
0.01
0.1
1
Pulse Train Duration (s)
Fig. 6 - Maximum Non-Repetitive Surge Current
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
3
20ETF.. Soft Recovery Series
Fast Soft Recovery
Rectifier Diode, 20 A
Instantaneous Forward Current (A)
Vishay High Power Products
1000
100
TJ = 25 °C
TJ = 150 °C
10
20ETF.. Series
1
0
0.5
1.0
1.5
2.0
2.5
3.5
3.0
4.0
Instantaneous Forward Voltage (V)
Fig. 7 - Forward Voltage Drop Characteristics
0.7
6
trr - Maximum Reverse
Recovery Time (µs)
0.6
0.5
IFM = 30 A
IFM = 20 A
IFM = 10 A
Qrr - Maximum Reverse
Recovery Charge (µC)
20ETF.. Series
TJ = 25 °C
IFM = 5 A
IFM = 1 A
0.4
0.3
0.2
0.1
0
5
IFM = 20 A
4
3
IFM = 10 A
2
IFM = 5 A
1
IFM = 1 A
0
0
50
100
150
200
0
dI/dt - Rate of Fall of Forward Current (A/µs)
50
100
150
200
dI/dt - Rate of Fall of Forward Current (A/µs)
Fig. 8 - Recovery Time Characteristics, TJ = 25 °C
Fig. 10 - Recovery Charge Characteristics, TJ = 25 °C
1.2
10
Qrr - Maximum Reverse
Recovery Charge (µC)
0.9
IFM = 30 A
IFM = 20 A
IFM = 10 A
IFM = 5 A
IFM = 1 A
0.6
IFM = 30 A
20ETF.. Series
TJ = 150 °C
20ETF.. Series
TJ = 150 °C
trr - Maximum Reverse
Recovery Time (µs)
IFM = 30 A
20ETF.. Series
TJ = 25 °C
0.3
8
IFM = 20 A
6
IFM = 10 A
4
IFM = 5 A
2
IFM = 1 A
0
0
0
50
100
150
200
0
50
100
150
200
dI/dt - Rate of Fall of Forward Current (A/µs)
dI/dt - Rate of Fall of Forward Current (A/µs)
Fig. 9 - Recovery Time Characteristics, TJ = 150 °C
Fig. 11 - Recovery Charge Characteristics, TJ = 150 °C
www.vishay.com
4
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93140
Revision: 12-Jun-08
20ETF.. Soft Recovery Series
Fast Soft Recovery
Rectifier Diode, 20 A
35
20ETF.. Series
TJ = 25 °C
20
IFM = 30 A
IFM = 20 A
IFM = 10 A
15
20ETF.. Series
TJ = 150 °C
30
Irr - Maximum Reverse
Recovery Current (A)
Irr - Maximum Reverse
Recovery Current (A)
25
Vishay High Power Products
IFM = 5 A
10
IFM = 1 A
5
IFM = 30 A
25
IFM = 20 A
20
IFM = 10 A
15
IFM = 5 A
10
IFM = 1 A
5
0
0
0
50
100
150
200
0
50
100
150
200
dI/dt - Rate of Fall of Forward Current (A/µs)
Fig. 13 - Recovery Current Characteristics, TJ = 150 °C
ZthJC - Transient Thermal Impedance (K/W)
dI/dt - Rate of Fall of Forward Current (A/µs)
Fig. 12 - Recovery Current Characteristics, TJ = 25 °C
1
Steady state value
(DC operation)
0.1
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08
Single pulse
0.01
0.0001
Document Number: 93140
Revision: 12-Jun-08
0.001
0.01
20ETF.. Series
0.1
1
Square Wave Pulse Duration (s)
Fig. 14 - Thermal Impedance ZthJC Characteristics
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
5
20ETF.. Soft Recovery Series
Fast Soft Recovery
Rectifier Diode, 20 A
Vishay High Power Products
ORDERING INFORMATION TABLE
Device code
20
E
T
F
12
-
1
2
3
4
5
6
1
-
Current rating (20 = 20 A)
2
-
Circuit configuration:
E = Single diode
3
-
Package:
T = TO-220AC
4
-
Type of silicon:
F = Fast soft recovery rectifier
5
-
6
-
Voltage ratings
None = Standard production
08 = 800 V
10 = 1000 V
12 = 1200 V
PbF = Lead (Pb)-free
LINKS TO RELATED DOCUMENTS
Dimensions
http://www.vishay.com/doc?95221
Part marking information
http://www.vishay.com/doc?95224
www.vishay.com
6
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93140
Revision: 12-Jun-08
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
1