KS Single Pole Key Switches
Features/Benefits • Positive tactile feel • Variety of cap colors • LED support available • SPST and SPDT configurations • RoHS compliant Typical Applications • Telecommunications • Industrial • Instrumentation
Specifications
CONTACT RATING: Q contact material: 25mA @ 50V AC .or DC max. ELECTRICAL LIFE: 100,000 actuations. CONTACT RESISTANCE: Below 100 mΩ initial @ 2-4 V DC, 100 mA INSULATION RESISTANCE: 109 Ω min. DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level. OPERATING TEMPERATURE: -30˚C to 65˚C. SOLDERABILITY: Per MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging).
Note: Specifications and materials listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. NOTE: Product to be compatible with the lead free soldering profile on Q4 2006.
Materials
CASE: Glass filled nylon (UL 94V-0). ACTUATOR: Nylon 6/6 or ABS, matte finish, black standard. MOVABLE CONTACT: Q contact material: Stainless steel, silver plated. STATIONARY CONTACTS AND TERMINALS: Q contact material: copper alloy, silver plated. TERMINAL SEAL: Epoxy
How To Order
Our easy build-a-switch concept allows you to mix and match options to create the switch you need. To order, select desired option from each category and place it in the appropriate box.
K
Series KS11 KS12
S
C
SPST Off-Mom. SPDT On-Mom. Cap R2 Round depression
E Key Switches
Cap 2 1 3 9
Color Black White Red Gray
Terminations C PC Thru-hole Contact Material Silver Q G Gold over silver B Gold
Seal D No epoxy E Epoxy
Dimensions are shown: mm (inch) Specifications and dimensions subject to change
E–23
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KS Single Pole Key Switches
SERIES
KS11 / KS12
2,29 (.090) 12,40 SQ. (.488) 0,71 TRAVEL (.028) 7,57 (.298) 3,91 (.154) 1,50 TYP. (.059)
10,29 SQ. (.405) CAP
ø1,57 TYP. (.062) ø0,99 TYP. (.039)
FINGER RECESS
SWITCH FUNCTION POS. 1 NO. POLES MODEL NO. POS. 2
CONNECTED TERMINALS POS. 1 POS. 2
SCHEMATIC
KS11 SP KS12
OFF
MOM.
OPEN
1–3 SPST
1
3
ON
MOM.
1–4
1–3 SPDT NC 4
1 (COMM) 3 NO
CAP
R2 CAP WITH ROUND DEPRESSION
2,29 (.090) OPTION CODE CAP COLOR BLACK WHITE RED GRAY
E Key Switches
10,29 SQ. (.405) CAP
2 1 3 9
FINGER RECESS
Dimensions are shown: Inch (mm) Specifications and dimensions subject to change
E–24
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KS Single Pole Key Switches
TERMINATION
C
PC THRU-HOLE PC MOUNTING
2,54 (.100) 5,08 (.200) 2,54 (.100) 5,08 (.200)
MULTIPLE SWITCH SPACING
1,14 STANDOFF (.045)
2,39 (.094) 2,39 (.094)
2,39 (.094) 2,39 (.094)
.500 (12,70)
1,02 TYP. (.040) 0,41 THK. (.016)
4,04 (.159)
2,54 (.100) 2,54 (.100) 2,54 (.100)
2,54 (.100) 2,54 (.100) 2,54 ø1,22 TYP. (.100) (.048)
.500 (12,70)
ø1,22 TYP. (.048)
KS11
KS12
CONTACT MATERIAL
OPTION CODE CONTACT MATERIAL SILVER2 GOLD1 GOLD/SILVER3 TERMINAL PLATING SILVER2 GOLD1 GOLD1 POWER LOW LEVEL/DRY CIRCUIT LOW LEVEL/DRY CIRCUIT OR POWER
RATINGS 25 mA MAX. @ 50 V AC OR DC MAX. 0.4 VA MAX. @ 20 V AC OR DC MAX. 0.4 VA MAX. @ 20 V AC OR DC MAX. OR 25 mA MAX. @ 50 V AC OR DC MAX.
Q B G
1) MOVABLE CONTACT: Stainless steel, with gold plate over nickel plate. STATIONARY CONTACTS & ALL TERMINALS: Copper alloy, with gold plate over nickel plate. 2) MOVABLE CONTACT: Stainless steel, silver plated. STATIONARY CONTACTS & ALL TERMINALS: Copper alloy, silver plated. 3) MOVABLE CONTACT: Stainless steel, with gold plate over nickel plate over silver plate. STATIONARY CONTACTS & ALL TERMINALS: Copper alloy, with gold plate over nickel plate over silver plate.
NOTE: Any models supplied with Q, B or G contact material are RoHS compliant. For the latest information regarding RoHS compliance, please go to: ww.ittcannon.com/rohs.
SEAL
D
NO EPOXY SEAL
E
E
EPOXY SEAL
Key Switches
EPOXY
Dimensions are shown: Inch (mm) Specifications and dimensions subject to change
E–25
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