Series 204 SMT
®
Surface Mount
Multi-Functional
DIP Switch
IR Solderable
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 configuration
• Multiple circuit configurations available
• PCB washable with removeable tape seal and bottom
epaxy seal
• Tube or tape and reel packaging available
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, copper alloy contacts
• High temperature body and actuator materials (UL94V-0)
• RoHS compliant
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 milliohm maximum initial
100 milliohm maximum at end of life
Insulation Resistance
1,000 Meg ohms minimum across open switches
1,000 Meg ohms minimum between adjacent closed switches
Dielectric Strength
500 VAC minimum 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
Electrical and Mechanical Specifications
Coplanarity
0.1mm/.004" max.
Allowable Solder Time
IR and Vapor Phase - up to 60 seconds at 260°C
Wave - up to 5 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
(25 G’s) with no contact inconsistencies
greater than 1
microsecond
Sealing
Optional bottom epoxy seal
Optional removable tape seal
Marking
Special side or top marking available - consult CTS
Packaging
Standard : Anti-Static tube packaging
Optional : Tape and Reel packaging
10,000 cycles switching
50 mA @ 24 VDC
1-4
CTS Electronic Components
© 2006 CTS Corporation. All rights reserved. Information subject to change.
www.ctscorp.com
3/07/07
3PST
±0.25
"A" ±.010
NO. 1 THROUGH
4 IN THIS AREA
O
N
CTS
2.03
.080
DATE CODE
1
4
4.06
.160
9.78±0.25
.385±.010
SCHEMATIC
Ordering Information
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
32.66 /1.286
0.89
.035
SWITCH PART NUMBER
3
4
3PST
3PST
2.03
.080
204-313
204-314
SLIDE
TRAVEL
8.89
.350
TYP.
7.62
.300
1.27±0.13
.050±.005
9.12±0.35
.359±.010
0.38
.015
TYP.
2.54
.100
TYP.
0.48±0.08
.019±.003
1.40
.055
TYP.
+0.38
7.62 -0.13
0.25±0.08
.010±.003
+.015
.300 -.005
+0.13
10.40 -0.25
.410 +.005
-.010
DIMENSION:
mm
inch
DPDT / 4PST
“ON” WHEN ACTUATOR IS TOWARD THE DOT
"A"
±0.25
±.010
9.78±0.25
.385±.010
4.06
.160
CTS
NO. 1 THROUGH
3 IN THIS AREA
Ordering Information
DPDT/4PST Switches
"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
DPDT
SCHEMATIC
1
3
2.03
.080
SWITCH PART NUMBER
DATE CODE
±0.25
"A" ±.010
NO. 1 THROUGH
3 IN THIS AREA
9.78±0.25
.385±.010
4.06
.160
CTS
2.03
.080
SWITCH PART NUMBER
DATE CODE
TYP
2.54
.100
TYP
8.89
.350
4PST
SCHEMATIC
O
N
1
3
0.38
.015
1.27±0.13
.050±.005
0.89
.035
7.62
.300
2.03 SLIDE
.080 TRAVEL
9.12±0.25
.359±.010
0.48±0.08
.019±.003
1.40 TYP
.055
TYP
10.40+0.13
-0.25
.410 +.005
-.010
0.25±0.08
.010±.003
7.62 +0.38
-0.13
.300 +.015
-.005
DIMENSION:
mm
inch
3-4
CTS Electronic Components
© 2006 CTS Corporation. All rights reserved. Information subject to change.
www.ctscorp.com
3/07/07
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