K12 High Performance Key Switches Features/Benefits • Excellent tactile feel • Wide choice of LED colors, travel and actuator forces • • • • • High reliability / long life Typical Applications • Automotive • Off-road transportation • Industrial electronics • Computers & network equipment Sealed version available Designed for low-level switching Double stroke version available Detector version available Construction: Electrical FUNCTION: momentary DISTANCE BETWEEN BUTTON CENTERS: min. 11 (0.433) K12C = 13 (0.512) TERMINALS: PC pins, tinned MOUNTING: Locating pins; K12G and K12P additionally with snap-in housing Mechanical TOTAL TRAVEL: 1 mm, 1,5 mm, 2 mm SWITCHING TRAVEL: 0,6 mm* OPERATING FORCE: 1.5 N OD without snap-point as detector 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. PROTECTION CLASS: K12C IP 67 (dust tight, protected against the effects of immersion in water; other versions IP 40) SWITCHING POWER MIN./MAX.: 0.02mW/3 W SWITCHING VOLTAGE MIN./MAX.: 2 V DC / 30 V DC SWITCHING CURRENT MIN./MAX.: 10 µA /100 mA DIELECTRIC STRENGTH (50 Hz, 1 min): ≥ 500 V OPERATING LIFE with max. switching power: ≥ 106 operations K12G & K12GO; operating life of second switch 5 x 104 operations, operating life K12C and version with more than 6N (7N, 9N 20N) please consult factory. CONTACT RESISTANCE: Initial ≤ 50 mΩ INSULATION RESISTANCE: ≥ 1010 Ω BOUNCE TIME: ≤ 1 ms Operating speed 400 mm/s (15.75/s) Environmental 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, GO or GOL) or 300 pieces (version A, AL, P or PL) SOLDERABILITY: Wave soldering, compatible with lead free soldering profile Hand soldering, 350˚C How To Order Key Switches D 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. Note: Some of the configurations may not be available or could require some development. K Series K12A K12AL K12P K12PL K12C K12GO K12GOL 1 2 No snap-in pegs No snap-in pegs with central LED With snap-in pegs With central LED Sealed contact with rubber cap (IP 67) Two-step switch K12GO with central LED Cap Color NONE version with LED, version C BK Black cap – No LED YE Yellow cap - No LED RD Red cap – No LED GY Gray cap – No LED L Standard LED Code NONE No LED L306 Green L327 Yellow L315 Orange L352 Red L302 White L328 Blue LED Color NONE No LED GN Green YE Yellow OG Orange RD Red WH White BU Blue Travel* 1 mm (0.039) 1 1.5 1.5 mm (0.059) 2 2 mm (0.079) * K12C – 1mm MAX K12 with LED – 1.5 mm MAX ** K12G & K12GO version only *** Additional operating force: 7N, 9N available on request Operating Force*** 1.5N OD 1.5 N without snap-point 2.5N 2.5 N 3.5N 3.5 N 5N 5N 3.5/7N 3.5/7 N** 6/12N 6/12 N** Contact Arrangement NONE SPST NO (STD) 1R SPST NC (Special request) Dimensions are shown: mm Specifications and dimensions subject to change D–10 www.ck-components.com K12 High Performance Key Switches SERIES K12A without snap in total travel 1 or 1.5mm PCB LAYOUT, MOUNTING SIDE 7,5 [.098] [.098] 2,5 0,2 [.007] [.1141] 11 2.9 ø1 [.0394] .4334] [.354] 9 2,5 [.295] 2,6 [.103] ø 9,8 12 ] 72 [.4 [.386] 10,9 2 K1 [.429] K12AL [.217] D 2,5 [.098] K (LED) 2,5 [.098] [.181] ø 5,6 2,5 [.098] 0,2 ø 4,6 [.007] 3,6 1,5 [.0591] 2,6 [.103] Key Switches PCB 7,5 [.295] [.433] 11 PCB LAYOUT, MOUNTING SIDE [.22] 1,1+0,05 2x 2x center hole 2x LED 2x 2x switch Without with LED ø0,5 (.020) Sn 0,9 ±0,05 0,7x0,2 (.028x.081) Sn Terminal Section Surface 2 K1 5,5 ø3 [.118] Hole ø Discription K Dimensions are shown: mm Specifications and dimensions subject to change D–11 www.ck-components.com K12 High Performance Key Switches SERIES with snap in 2,9 (.1141) 2,5 (.098) 3,75 (.148) 9,6 (.378) 1,2 (.047) 12,5 (.492) 1,5 (.059) 11,0 (.433) 1,5 (.059) ø1,0 (.0394) 3,5 (.138) 7,5 (.295) 2,6 (.103) 2,5 (.098) PCB LAYOUT, MOUNTING SIDE 9,0 (.354) total travel 1, 1,5 or 2 (.0394, .0591 or .0787) 0,2 (.007) K12P center of actuation area (notice LED) 9,8 (.386) 1 (.4 2,0 72 ) 10,9 SQ. (.429) Hole Ø Without LED Description 1,7 (.069) 2x snap-in 1,6 (.062) 1x coding hole (L,M,N) 1,1 (.043) 2x center hole 0,9 (.035) 2x switch Terminal Section Surface Sn 0.7 x 0.2 (.028 x .081) Sn K12 K12PL PCB LAYOUT, MOUNTING SIDE 11,0 (.433) 2,5 (.098) 7,5 (.295) 2,6 (.103) K LED PCB 2,5 (.098) 3,75 (.148) pin ø 1.1 (.0433) for coding of LED color 1,5 (.0591) 3,6 (.141) 2,5 (.098) 9,6 (.378) coding pin L center of actuation area (notice LED) ø4,6 (.181) 5,6 (.22) 2,6 (.098) K12 Hole K K12 Key Switches D total travel 1 or 1,5 (.0394 or .0591) 0,2 (.007) 5,5 (.217) ø3,0 (.118) Ø Without LED Description 1,7 (.069) 2x snap-in Terminal Section Surface 1,6 (.062) 1x coding hole (L,M,N) 1,1 (.043) 2x center hole 0,9 (.035) 2x LED m0.5 (.020) Sn 2x switch 0.7 x 0.2 (.028 x .081) Sn Dimensions are shown: mm Specifications and dimensions subject to change D–12 www.ck-components.com K12 High Performance Key Switches SERIES K12C SEALED CONTACT WITH RUBBER CAP (IP 67) total travel 1,0 (.0394) PCB LAYOUT, MOUNTING SIDE 2,9 (.114) ø12,8 (.504) 2,5 (.098) 2,5 (.098) 5,0 (.197) 2,3 (.090) 0,2 (.0078) 2,9 (.114) 1,2 (.047) 1,8 (.0709) 5,5 (.217) 12,0 (.472) 7,5 (.295) 12,0 (.472) 2 K1 10,9 (.429) actuation area 10,9 (.429) Hole SCHEMATIC A R Ø Without LED Description 1,1 (.043) 2x center hole 0,9 (.035) 2x switch Terminal Section Surface 0.7 x 0.2(.0275 x .0787) Sn D Key Switches Dimensions are shown: mm Specifications and dimensions subject to change D–13 www.ck-components.com K12 High Performance Key Switches SERIES K12GO K12GOL K12GOL ø 3 (0.118) 5 (0.197) 1/1 code pin ø1,1 (0. K12G0 9,6 (0.278) 5 (0.197) (0.043) K LED 2,6 (0.103) 2/2 47 3,6 (0.142) 1/2 1/1 ø 4,6 (0.187) ø 9,8 (0.386) 2/1 SQ. 10,9 (0.428) (0.228) 5,6 K12GOL 3,75 (0.148) 7,5 (0.295) 2) 0,2 2,9 (0.114) 2/1 12 1/2 3,75 1,5 (0.0591) (0.354) 9 3,5 (0.138) 11 (0.433) 1,5 (0.059) PCB (0.148) 2/2 2,6 (0.103) 0,2 (0.0078) (0.0591) PCB LAYOUT, MOUNTING SIDE 7,5 (0.295) total travel 1,5mm <= 5,5 (0.217) K12G0 (0.098) (0.098) 2,5 2,5 9,6 (0.278) (0.244) K12 K (LED) Type K12G and K12GL see drawing: 844-9001-601 or 844-900-1601 with LED holder by side 2/2 K12 1/1 D actuation area Key Switches 1/2 2/1 SCHEMATIC K12G 1/1 2/1 Hole K12GL 1/2 2/2 1/1 1/2 2/1 2/2 K Ø Without LED 1,7 (.069) 1,6 (.062) 2x 2x snap-in 1x 1x code 2x 2x 2x 2x 2x 2x 2 LED LED switch 2 switch 1 0,9 (.035) With LED Description Terminal Section m0.5 (.020) 0.7 x 0.3 (.028 x .012) 0.7 x 0.2 (.028 x .081) Surface Sn Sn Sn Sn Dimensions are shown: mm Specifications and dimensions subject to change D–14 www.ck-components.com K12 High Performance Key Switches CAP COLOR OPTION CODE COLOR NONE BK YE RD GY Version with LED Black - no LED Yellow - no LED Red - no LED Gray - no LED LED COLOR OPTION CODE NONE GN YE OG RD WH BU STANDARD LED CODE COLOR NONE L306 L327 L315 L352 L302 L328 Models without LED Green Yellow Orange Red White Blue COLOR Models without LED Green Yellow Orange Red White Blue TRAVEL 1 1 mm 1.5 1.5 mm 2 2 mm OPERATING FORCE 1.5N OD Key Switches OPTION CODE D OPERATING FORCE 1.5 N,150g without snap-point 2.5N 3.5N 5N 2.5 N, 250g 3.5/7N 6/12N 3.5/7 N, 350/700g 3.5 N, 350g 5 N, 500g 6/12 N, 600-1200g Dimensions are shown: mm Specifications and dimensions subject to change D–15 www.ck-components.com