Surface Mount
Multi-Functional
DIP Switch
IR Solderable,
Features
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
Optimized Mechanical Features
• Enclosed actuators shield contacts from foreign particles
throughout life of switch
• Gull-wing terminal configurations
Materials
ce
Series 204 DDaattaaSShheeeett
SMD DIP Switch
Contact Resistance
50 milliohms maximum initial
100 milliohms maximum at end of life
Operating Temperature
5,000 cycles switching 50 mA @ 24 VDC
Nonswitching Rating
100 mA or 50 VDC maximum
Insulation Resistance
1,000 megohms minimum between insulated terminals
Dielectric Strength
500 VAC for 1 minute between adjacent switches
Switch Capacitance
5 pF maximum between adjacent closed switches
Coplanarity
0.1mm/.004" max.
Allowable Solder Time
Shock
Per MIL-STD-202F, method 213B, condition A
(50 G’s) with no contact inconsistencies
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
• Coplanarity: 0.1mm / .004” max.
• Available with SPST,SPDT,DPST,
Switch Function
SPST - 2 through 10 and 12 positions
SPDT & DPST - 1 through 6 positions
Sealing
Bottom epoxy seal optional
Marking
Special side or top marking available - consult CTS
• Electrostatic discharge shield rated to 22 KV
• Compatible with SMT assembly including IR and
Vapor-Phase (up to 260°C)
Up to 60 seconds at 260°C
Standard : Anti-static tube packaging
Optional : Tape and reel packaging
greater than 1
microsecond
Actuation Life
–55°C to +85°C Packaging
1 - 4
06/14/17
CTS Electrocomponents www.ctscorp.com
©2017 CTS Corporation. All rights reserved. Information subject to change.
PCB Washable
®
Electrocomponents
Electrical and Mechanical Specifications
3PST circuitry choices
3PST - 1 through 4 positions
• Gold plated contacts for long-term contact corrosion
resistance
• All UL 94 V-0 plastics used
• RoHS compliant
• Optional top tape seal for board spray washing
Optional top tape seal for board spray washing
SPST
SPDT / DPST
Ordering Information
SPST Switches
No. of
"A" Overall Switch
Dimension Positions Part No.
7.26 / .286 2 204-2
9.80 / .386 3 204-3
12.34 / .486 4 204-4
14.88 / .586 5 204-5
17.42 / .686 6 204-6
19.96 / .786 7 204-7
22.50 / .886 8204-8
25.04 / .986 9204-9
27.58 / 1.086 10 204-10
32.66 / 1.286 12 204-12
.
Ordering Information
SPDT/DPST Switches
Number of
"A" Overall Dimension Switch Positions Actuation Part No.
.
7.26 / .286 1 SPDT/DPST 204-121/204-211
12.34 / .486 2 SPDT/DPST 204-122/204-212
17.42 / .686 3 SPDT/DPST 204-123/204-213
22.50 / .886 4 SPDT/DPST 204-124/204-214
27.58 / 1.086 5 SPDT/DPST 204-125/204-215
32.66 / 1.286 6 SPDT/DPST 204-126/204-216
mm
DIMENSION: inch
.050±.005
.385±.010
DATE CODE
1.27±0.13
9.78±0.25
.100 0.48±0.08
.019±.003
CTS
TYP.
2.54
PART NO.
.299
7.60
TYP.
.050
1.27
.080
2.03
.160
4.06
±.010
±0.25
.010±.003
.300
7.62
-.012
+0
+0
-0.30
.410
10.40
-.005
+.015
+0.38
-0.13
.080
0.25±0.08
2.03
9.12±0.35
.359±.014
.035
0.89 SLIDE TRAVEL
.015
0.38
1
O
N
32 4 5 12
11
7.62
0.25±0.08
0.38
9.12±0.35
10.40
+0
-0.30
-0.13
+0.38
2.54
0.48±0.08
1.27±0.13
TYP.
7.60
DATE CODE
PART NO.
.385±.010
9.78±0.25
.160
.080
4.06
2.03
“ON” WHEN ACTUATOR IS TOWARD THE DOT
TYP.
.160 TYP.
.299 .050±.005
.100
.019±.003
2.03
.080
SLIDE
TRAVEL
.015
.035
.359±.014
.010±.003
.300 +.015
-.005
+.0
-.012
.410
DATE CODE
PART NO.
9.78±0.25
.385±.010
4.06
.160
.080
2.03
DPST
SPDT
4.06 0.89
CTS
6
3
2
1
CTS
6
3
2
1
O
N
mm
DIMENSION: inch
SCHEMATIC
SCHEMATIC
SCHEMATIC
"A"
±.010
±0.25
"A"
±.010
±0.25
"A"
2 - 4
CTS Electrocomponents www.ctscorp.com
©2017 CTS Corporation. All rights reserved. Information subject to change. 06/24/17
mm
DIMENSION: inch
3PST
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 3 3PST 204-313
32.66 /1.286 4 3PST 204-314
SCHEMATIC
3 - 4
CTS Electrocomponents www.ctscorp.com
PART NO.
.385±.010
9.78±0.25
DATE CODE
.080
2.03
.160
4.06
4
CTS
N
O1
±.010
±0.25
"A"
.299
7.60
1.27±0.13
.050±.005
.100
2.54 TYP.
0.48±0.08
.019±.003 TYP.
6.35
.250 TYP.
7.62
0.25±0.08
0.38
9.12±0.35
10.40+0
-0.30
-0.13
+0.38
.015
.359±.014
.010±.003
.300 +.015
-.005
+.0
-.012
.410
0.89
.035
2.03
.080
SLIDE
TRAVEL
06/14/17© 2017 CTS Corporation. All rights reserved. Information subject to change.
1.27
4.06 9.78±0.25
7.6
2.03
-0.30
9.12±0.35
10.40 +0
7.62
0.25±0.08
0.38
1.27±0.13
2.54
0.48±0.08
DA TE CODE
-0.13
+0.38
TYP.
8.60
2.54 TYP.
11.04
1.13 TYP.
6.17
2.44
.243
.339
CTS
(Available in SPST and SPDT )
.080
.160 .385±.010
.05
.299 .050±.005
.019±.003
.100
.359±.014 .015
.010±.003
.300 -.005
+.015
+0
.096
.044
.100
.435
11
54321 12
N
O
SURFACE MOUNT PAD LAYOUTS (ALL STYLES)
±.010
±0.25
"A"
Low Profile Actuators
TYP.
.410 -0.12
mm
DIMENSION: inch
.093
2.36 TYP.
2.36
.093 TYP.
4 - 4
CTS Electrocomponents www.ctscorp.com
©2017 CTS Corporation. All rights reserved. Information subject to change. 06/14/17
Ordering Information
NUMBER OF THROWS
ACTUATOR HEIGHT
BOTTOM EPOXY SEAL
12
204 1ESTN
1
– SINGLE THROW
2
– DOUBLE THROWS
BLANK – (FOR SPST)
Extended: SPST only
Low profile: SPST & SPDT only
TOP TAPE SEAL
–
S - EPOXY SEAL
NUMBER OF POLES
1
– SINGLE POLE
2
– DOUBLE POLES
3
– 3 POLES
4
– 4 POLES
BLANK – (FOR SPST)
R
R-TAPE & REEL PACKAGING
TAPE AND REEL
BLANK - ANTI-STATIC TUBE PACKAGING
BLANK - NO EPOXY SEAL
Not available on extended
actuator
BLANK
–NO TOP TAPE SEAL
T
–TOP TAPE SEAL
*
*
LP
– LOW PROFILE(Flush)
E
– EXTENDED(3.43mm/.135")
BLANK
– STANDARD(0.89mm/.035")
*
*
*
*
ACTUATION PRESET
N
– SHIP AT "ON" POSITION
BLANK
– SHIP AT "OFF" POSITION
*
Not available
*
!for 7 position. Consult CTS
!
for customized features not listed.
NUMBER OF SWITCH POSITIONS
1
– 1 POSITION
2
– 2 POSITIONS
3
– 3 POSITIONS
4
– 4 POSITIONS
5
– 5 POSITIONS
6
– 6 POSITIONS
7
– 7 POSITIONS
8
– 8 POSITIONS
9
– 9 POSITIONS
10
– 10 POSITIONS
12
– 12 POSITIONS
Contact CTS for other common features not listed.
