®
Electrocomponents
Series 204 Data Sheet
SMD DIP Switch
Surface Mount
Multi-Functional
DIP Switch
IR Solderable,
PCB Washable
Features
Optimized Mechanical Features
• Coplanarity: 0.1mm / .004” max.
• Compatible with SMT assembly including IR and
Vapor-Phase (up to 260°C)
• Enclosed actuators shield contacts from foreign particles
throughout life of switch
• Gull-wing terminal configurations
• Available with SPST,SPDT,DPST,DPDT,3PST,4PST
circuitry choices
• Removable tape seal to withstand IR solder temperature
and board washing
Optimized Contact System
• Contact wiping action on make and break
• Integral terminal and contact locked into thermoset base
• Available with low profile, standard, or extended actuators
• Electrostatic discharge shield rated to 22 KV
Materials
• Gold plated contacts for long-term contact corrosion resistance
• All UL 94 V-0 plastics used
• RoHS compliant
Electrical and Mechanical Specifications
Switch Function
SPST - 2 through 10 and 12 positions
SPDT & DPST - 1 through 6 positions
DPDT & 4PST - 1 through 3 positions
3PST - 1 through 4 positions
Contact Resistance
50 milliohms maximum initial
100 milliohms maximum at end of life
Insulation Resistance
1,000 megohms minimum between insulated terminals
Dielectric Strength
500 VAC for 1 minute between adjacent switches
Nonswitching Rating
100 mA or 50 VDC maximum
Switch Capacitance
5 pF maximum between adjacent closed switches
Operating Temperature
–55°C to +85°C
Actuation Life
10,000 cycles switching 50 mA @ 24 VDC
1-4
CTS Electrocomponents
Coplanarity
0.1mm/.004" max.
Allowable Solder Time
Up to 60 seconds at 260°C
Vibration
Per MIL-STD-202F, method 204D, condition B
(.06" or 15 G’s between 10 Hz to 2K Hz) with
no contact inconsistencies greater than 1 microsecond
Shock
Per MIL-STD-202F, method 213B, condition A
(50 G’s) with no contact inconsistencies greater than 1
microsecond
Sealing
Bottom epoxy seal optional
Top tape seal optional
Marking
Special side or top marking available - consult CTS
Packaging
Standard : Anti-static tube packaging
Optional : Tape and reel packaging
© 2008 CTS Corporation. All rights reserved. Information subject to change.
7/20/08
www.ctscorp.com
SPST
SCHEMATIC
Ordering Information
±0.25
"A" ±.010
O 1
N
2
3
4
2.03
.080
5
11
SPST Switches
No. of
"A" Overall Switch
Dimension Positions Part No
. .
12
4.06
.160
9.78±0.25
.385±.010
1.27
.050
2.03 SLIDE TRAVEL
.080
0.89
.035
CTS
7.26 /
9.80 /
12.34 /
14.88 /
17.42 /
19.96 /
22.50 /
25.04 /
DATE CODE
9.12±0.35
.359±.014
PART NO.
0.38
.015
0.25±0.08
.010±.003
1.27±0.13
.050±.005
.986
27.58 / 1.086
32.66 / 1.286
+0.38
7.60
.299
7.62 -0.13
.300 +.015
-.005
+0
.286
.386
.486
.586
.686
.786
.886
10.40 -0.30
.410 +0
2
3
4
5
6
7
8
9
10
12
204-2
204-3
204-4
204-5
204-6
204-7
204-8
204-9
204-10
204-12
-.012
2.54
.100
TYP.
0.48±0.08
.019±.003
DIMENSION:
TYP.
mm
inch
SPDT / DPST
1
2
3
2.03
.080
Number of
"A" Overall Dimension Switch Positions Actuation
6
4.06
.160
SPDT
7.26 / .286
12.34 / .486
17.42 / .686
22.50 / .886
27.58 / 1.086
32.66 / 1.286
9.78±0.25
.385±.010
CTS
SCHEMATIC
Ordering Information
SPDT/DPST Switches
±0.25
"A" ±.010
DATE CODE
PART NO.
1
2
3
4
5
6
SPDT/DPST
SPDT/DPST
SPDT/DPST
SPDT/DPST
SPDT/DPST
SPDT/DPST
Part No.
.
204-121/204-211
204-122/204-212
204-123/204-213
204-124/204-214
204-125/204-215
204-126/204-216
“ON” WHEN ACTUATOR IS TOWARD THE DOT
±0.25
"A" ±.010
1
DPST
SCHEMATIC
2
3
4.06
TYP.
.160
2.03
.080
6
O
N
4.06
.160
9.78±0.25
.385±.010
1.27±0.13
.050±.005
7.60
.299
2.03 SLIDE
.080 TRAVEL
0.89
.035
9.12±0.35
.359±.014
0.38
.015
CTS
DATE CODE
PART NO.
2.54
TYP.
.100
0.48±0.08
TYP.
.019±.003
+0
10.40-0.30
.410 +.0
-.012
mm
DIMENSION:
inch
2-4
CTS Electrocomponents
© 2008 CTS Corporation. All rights reserved. Information subject to change.
0.25±0.08
.010±.003
+0.38
7.62 -0.13
.300 +.015
-.005
7/20/08
www.ctscorp.com
3PST
"A"
O
N
Ordering Information
±0.25
±.010
SCHEMATIC
3PST Switches
"A"
No. of
Overall
Switch
Dimension Positions Actuation Part No.
9.80 / .386
1
3PST
204-311
17.42 / .686
2
3PST
204-312
25.04 / .986
3
3PST
204-313
32.66 /1.286
4
3PST
204-314
4
1
4.06
.160
9.78±0.25
.385±.010
CTS
2.03
.080
DATE CODE
PART NO.
1.27±0.13
.050±.005
7.60
.299
2.54
TYP.
.100
DIMENSION:
2.03
.080
0.89
.035
6.35
TYP.
.250
9.12±0.35
.359±.014
0.48±0.08
.019±.003 TYP.
SLIDE
TRAVEL
0.38
.015
+0
10.40 -0.30
.410 +.0
-.012
0.25±0.08
.010±.003
+0.38
7.62 -0.13
.300 +.015
-.005
mm
inch
DPDT / 4PST
Ordering Information
“ON” WHEN ACTUATOR IS TOWARD THE DOT
"A"
1
DPDT
DPDT/4PST Switches
±0.25
±.010
3
4.06
.160
9.78±0.25
.385±.010
CTS
SCHEMATIC
2.03
.080
PART NO.
DATE CODE
"A" ±0.25
±.010
1
O
N
4PST
8.89 TYP.
.350
3
4.06 9.78±0.25
.160 .385±.010
0.38
.015
1.27±0.13
.050±.005
2.03 SLIDE
.080 TRAVEL
0.89
.035
7.60
.299
9.12±0.35
.359±.014
CTS
2.03
.080
SCHEMATIC
PART NO.
DIMENSION:
"A"
No. of
Overall
Switch
Dimension Positions Actuation
Part No
12.34 / .486
1
DPDT/4PST 204-221/204-411
22.50 / .886
2
DPDT/4PST 204-222/204-412
32.66 / 1.286
3
DPDT/4PST 204-223/204-413
DATE CODE
2.54
TYP.
.100
10.40+0
-0.30
.410 +0
-.012
mm
inch
3-4
CTS Electrocomponents
0.25±0.08
.010±.003
7.62 +0.38
-0.13
.300 +.015
-.005
0.48±0.08 TYP.
.019±.003
© 2008 CTS Corporation. All rights reserved. Information subject to change.
7/20/08
www.ctscorp.com
Low Profile Actuators
(Available in SPST and SPDT )
±0.25
±.010
"A"
O 1
N
2
3
4
2.03
.080
5
SURFACE MOUNT PAD LAYOUTS (ALL STYLES)
11 12
4.06
.160
2.44
.096
9.78±0.25
.385±.010
CTS
1.27
.05
11.04
.435
6.17
.243
8.60
.339
DA TE CODE
PART NO.
2.54
.100
1.27±0.13
.050±.005
7.6
.299
2.54
1.13
.044
TYP.
9.12±0.35
0.38
.015
.359±.014
TYP.
0.25±0.08
.010±.003
.100
0.48±0.08
.019±.003
TYP.
+0
10.40 -0.30
+0
.410 -0.12
DIMENSION:
TY P.
+0.38
7.62 -0.13
.300 +.015
-.005
mm
inch
Ordering Information
204
– 1
2
1
E
S
T
R
N
NUMBER OF POLES
BLANK – (FOR SPST)
1 – SINGLE POLE
2 – DOUBLE POLES
3 – 3 POLES
4 – 4 POLES
ACTUATOR HEIGHT
TOP TAPE SEAL
BLANK – STANDARD(0.89mm/.035")
E – EXTENDED(3.43mm/.135")
LP – LOW PROFILE(Flush)
BLANK –NO TOP TAPE SEAL
T –TOP TAPE SEAL
NUMBER OF THROWS
BLANK – (FOR SPST)
1 – SINGLE THROW
2 – DOUBLE THROWS
*
*Extended: SPST only
* Low profile: SPST & SPDT only
*
NUMBER OF SWITCH POSITIONS
1
2
3
4
5
6
7
8
9
10
12
– 1 POSITION
– 2 POSITIONS
– 3 POSITIONS
– 4 POSITIONS
– 5 POSITIONS
– 6 POSITIONS
– 7 POSITIONS
– 8 POSITIONS
– 9 POSITIONS
– 10 POSITIONS
– 12 POSITIONS
* available on extended
* Not
actuator
TAPE AND REEL
BLANK - ANTI-STATIC TUBE PACKAGING
R - TAPE & REEL PACKAGING
ACTUATION PRESET
BLANK – SHIP AT "OFF" POSITION
N – SHIP AT "ON" POSITION
BOTTOM EPOXY SEAL
BLANK - NO EPOXY SEAL
S - EPOXY SEAL
4-4
CTS Electrocomponents
© 2008 CTS Corporation. All rights reserved. Information subject to change.
7/20/08
www.ctscorp.com