K12 High Performance Key Switches Features/Benefits Typical Applications • Excellent tactile feel • Automotive • Wide choice of LED colors, • Off-road transportation travel and actuator forces • Industrial electronics • High reliability / long life • Computers & network equipment • Sealed version available • Joysticks • Designed for low-level switching • Double stroke version available • Detector version available Construction: Electrical FUNCTION: momentary SWITCHING POWER MIN./MAX.: 0.02mW/3 W DISTANCE BETWEEN BUTTON CENTERS: SWITCHING VOLTAGE MIN./MAX.: 2 V DC / 30 V DC min. 11 (0.433) K12C = 13 (0.512) SWITCHING CURRENT MIN./MAX.: 10 mA /100 mA TERMINALS: PC pins, tinned DIELECTRIC STRENGTH (50 Hz, 1 min): ≥ 500 V MOUNTING: Locating pins; K12G and K12P additionally OPERATING LIFE with max. switching power: ≥ 106 operations with snap-in housing K12G & K12GO; operating life of second switch 5 x 104 operations, operating life K12C and version with more than 6N (7N, 9N 20N) Mechanical please consult factory. CONTACT RESISTANCE: Initial ≤ 50 mΩ TOTAL TRAVEL: 1 mm, 1,5 mm, 2 mm INSULATION RESISTANCE: ≥ 1010 Ω SWITCHING TRAVEL: 0,6 mm* BOUNCE TIME: ≤ 1 ms OPERATING FORCE: 1.5 N OD without snap-point as detector Operating speed 100 mm/s (3.94/s) switch, 2.5 N, 3.5 N, 5 N, 3.5/7 N, 6/12 N. Additional operating force 7N, 9N and 20N, available on request. Environmental PROTECTION CLASS: K12C IP 67 (dust tight, protected against the effects of immersion in water; other versions IP 40) OPERATING TEMPERATURE: -40˚C to 85˚C. STORAGE TEMPERATURE: -40˚C to 95˚C. * Additional switching travel (with pre-travel) available by request. Packaging Process Bulk in boxes of 250 pieces (version C or GO) or SOLDERABILITY: 300 pieces (version A, AL, P or PL) Wave soldering, compatible with lead free soldering profile Hand soldering, 350˚C 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. D Note: Some of the configurations may not be available or could require some development. K K 1 2 e y S Series w K12A No snap-in pegs i t K12AL No snap-in pegs with central LED LED Color Standard LED Code c K12P With snap-in pegs NONE No LED NONE No LED h K12PL With central LED GN Green LV306 Green e s K12C Sealed contact with rubber cap (IP 67) YE Yellow LV327 Yellow K12GO Two-step switch OG Orange LV315 Orange RD Red LV352 Red WH White LV302 White BU Blue LV328 Blue Cap Color Operating Force*** NONE version with LED, version C 1.5N OD 1 .5 N without BK Black cap – No LED Travel* snap-point Contact YE Yellow cap - No LED 1 1 mm (0.039) 2.5N 2.5 N Arrangement RD Red cap – No LED 1.5 1.5 mm (0.059) 3.5N 3.5 N NONE SPST NO (STD) GY Gray cap – No LED 2 2 mm (0.079) 5N 5 N 1R SPST NC * K 12C – 1mm MAX 3.5/7N 3.5/7 N** (Special request) K12 with LED – 1.5 mm MAX 6/12N 6/12 N** ** K12G & K12GO version only *** Additional operating force: 7N, 9N available on request Dimensions are shown: mm Specifications and dimensions subject to change 15 Nov 18 www.ckswitches.com D–9

K12 High Performance Key Switches SERIES K12A without snap in total travel 1 or 1.5mm PCB LAYOUT, MOUNTING SIDE 7,5 [.295] 9 [.354] 11 .4334] 2,5 [.098] [.03ø914] 2.9 [.1141] 2,6 0,2 [.007] 2,5 [.098] [.103] ø9,8 [.472]12 10,9 [.386] [.429] 21K K12AL ø3 [.118] 5,5 [.217] PCB LAYOUT, MOUNTING SIDE D 11 [.433] 2,6 2x 1,1+ 00,05 ELECTRICAL GRAPH es PCB 1,5 [.0591] C 2,5 2 2,5 A ch 3,6 2,5 0,2 1 2 t wi 1 4x 0,9±0,05 A S ø4,6 7,5 A C y [.181] e ø5,6 K [.22] 1,1+0,05 2x 2x center hole 2x LED ø0,5 (.020) Sn 0,9 ±0,05 2x 2x switch 0,7x0,2 (.028x.081) Sn A Hole ø Without with LED Description Terminal Section Surface 1 2 C Dimensions are shown: mm Specifications and dimensions subject to change 15 Nov 18 www.ckswitches.com D–10

K12 High Performance Key Switches SERIES K12P with snap in t(.o0t3a9l 4tr,a .v0e5l9 11, o1r, 5.0 o7r8 27) 9,0(.354) PCB LAYOUT, MOUNTING SIDE 1,5(.059) 11,0(.433) ((..2172,0,96535)) 0,2(.007) 2,5(.098) 3,5(.138) ø(.013,094) 1,5(.059) 2,9(.1141) (.20,958) 12,5 (.492) 1,2(.047) (.93,768) 3,75(.148) center of actuation area (notice LED) 9,8 (.47122),0 (.386) 10,9 SQ. (.429) Hole Ø Without LED Description Terminal Section Surface 1,7 (.069) 2x snap-in 1 ,6 (.062) 1x coding hole (L,M,N) 1,1 (.043) 2x center hole Sn 0,9 (.035) 2x switch 0.7 x 0.2 (.028 x .081) Sn 21K K12PL ø3,0 (.118) total travel 1 or 1,5 (.0394 or .0591) PCB LAYOUT, MOUNTING SIDE 5,5(.217) 11,0(.433) 7,5 2x 1,1+ 00,05 D 4x 0,9 0,05 2,5 2,5 2x 1,7+ 00,1 ELECTRICAL GRAPH K C 2 A 1 e for codpining øo f1 L.1E D(.0 c4o3lo3r) PCB 1,5(.0591) 3,6 2,5 y S 2,5 2,6 0,2 3,75 1 2 w i t A 1,6+ 00,1 A C ch ø4,6 (.181) 9,6 e 5,6 s (.22) A Hole Ø Without LED Description Terminal Section Surface 1 2 1,7 (.069) 2x snap-in C 1, 6 (.062) 1x coding hole (L,M,N) 1,1 (.043) 2x center hole Sn 0,9 (.035) 2x LED m0.5 (.020) Sn 2x switch 0.7 x 0.2 (.028 x .081) Dimensions are shown: mm Specifications and dimensions subject to change 15 Nov 18 D–11 www.ckswitches.com

K12 High Performance Key Switches SERIES K12C SEALED CONTACT WITH RUBBER CAP (IP 67) total travel 1,0 PCB LAYOUT, MOUNTING SIDE (.0394) ø12,8 (.504) 2,914).1( (.72,955) 0,21)274.( 5,5)712.( (.20,958) 1,8(.0709) 1,2(.047) 9,2)411.( (.20,958) (.51,907) (.20,930) 2,0)8700.( 12,0 (.472) 21K 10,9 (.429) actuation area 10,9 (.429) SCHEMATIC Hole Ø Without LED Description Terminal Section Surface A R 1,1 (.043) 2x center hole 0,9 (.035) 2x switch 0.7 x 0.2(.0275 x .0787) Sn D s e h c t i w S y e K Dimensions are shown: mm Specifications and dimensions subject to change 15 Nov 18 www.ckswitches.com D–12

K12 High Performance Key Switches SERIES K12GO PCB LAYOUT, MOUNTING SIDE total travel 1,5mm (0.0591) 5 (0.197) (0.059)1,5 (0.354)9 (0.433)11 7,5(0.295) 1/1 2,6(0.103)1/22/2 (0.0078)0,2 3,75 (0.148) (0.138)3,5 2,9 (0.114) 2/1 9,6 (0.278) 12 (0.472) ø9,8 (0.386) SQ.10,9 (0.428) (0.244) 2/2 21K 1/1 1/2 D 2/1 K e y S w i t SCHEMATIC K12G Hole Ø Without LED Description Terminal Section Surface c h 1,7 2x snap-in e (.069) s 1,6 1x code 1/1 1/2 (.062) 2/1 2/2 0,9 LED m0.5 (.020) Sn (.035) 2x switch 2 0.7 x 0.3 (.028 x .012) Sn 2x switch 1 0.7 x 0.2 (.028 x .081) Sn Dimensions are shown: mm 15 Nov 18 Specifications and dimensions subject to change D–13 www.ckswitches.com

K12 High Performance Key Switches CAP COLOR OPTION CODE COLOR NONE Version with LED BK Black - no LED YE Yellow - no LED RD Red - no LED GY Gray - no LED LED COLOR OPTION STANDARD CODE COLOR LED CODE COLOR NONE Models without LED NONE Models without LED GN Green LV306 Green YE Yellow LV327 Yellow OG Orange LV315 Orange RD Red LV352 Red WH White LV302 White BU Blue LV328 Blue TRAVEL 1 1 mm 1.5 1.5 mm 2 2 mm OPERATING FORCE D OPTION CODE OPERATING FORCE s e 1.5N OD 1.5 N,150g without snap-point h c 2.5N 2.5 N, 250g it 3.5N 3.5 N, 350g w 5N 5 N, 500g S 3.5/7N 3.5/7 N, 350/700g y 6/12N 6/12 N, 600-1200g e K CONTACT ARRANGEMENT OPTION 1R SPST NC (SPECIAL REQUEST FOR NORMALLY CLOSED OPTION) Dimensions are shown: mm 15 Nov 18 Specifications and dimensions subject to change www.ckswitches.com D–14

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: C &K Switches: K12ABK15N K12ABK1.52.5N K12C BK 1 2.5N K12P BK 1.5 5N K12P BK 2 2.5N K12ABK11.5N0D K12PBK1.51.5N0D K12PBK1.51.5N0D1R K12PBK1.53.5N K12PBK11.5N K12PBK13.5N1R K12PBK15N1R K12PLWH1.55NL302 K12ABK12.5N1R K12ABK15N1R K12AGY15N K12ARD12.5N K12ARD15N K12ARD1.52.5N K12AYE12.5N K12AYE15N K12AYE1.52.5N K12G0BK1.53.57N K12G0BK1.5612N K12PBK12.5N K12PBK21.5N0D K12PBK1.59N K12A BK 1.5 5N K12PYE25N K12PLGN15NLV306 K12ALWH1.55NLV302 K12PLGN1.52.5NLV306 K12ALRD15NLV352 K12ALGN15NLV306 K12ALYE15NLV327 K12PLWH1.35N.5LV302 K12PLWH15NLV302 K12ALGN1.55NLV306 K12PL0G1.55NLV315 K12PLBU12.5NLV328 K12ALRD1.39N.5LV352 K12PLRD15NLV352 K12ALBU15NLV328 K12PLWH1.53.5NLV302 K12PLGN1.55NLV306 K12PLWH1.55NLV302 K12PLRD1.55NLV352 K12PL0G15NLV315 K12PLYE1.55NLV327 K12PYE23.5N K12PL0G11.5N0DLV315 K12PLYE15NLV327 K12ABK1.55N K12ABK12.5N K12PBK23.5N K12PBK25N K12CBK12.5N K12C15N K12PBK15N K12PBK1.55N K12PBK22.5N