Key Switches K12 Series 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 Electrical Construction SWITCHING POWER MIN./MAX.: 0.02mW/3 W FUNCTION: momentary SWITCHING VOLTAGE MIN./MAX.: 2 V DC / 30 V DC DISTANCE BETWEEN BUTTON CENTERS: SWITCHING CURRENT MIN./MAX.: 10 mA /100 mA min. 11 (0.433) K12C = 13 (0.512) DIELECTRIC STRENGTH (50 Hz, 1 min): 500 V TERMINALS: PC pins, tinned MOUNTING: Locating pins K12G and K12P additionally OPERATING LIFE 6 with snap-in housing For all K12 versions up to 6N with max. switching power: 10 operations For all K12/K12C versions from 7N to 20N with max. switching power: Mechanical please consult factory TOTAL TRAVEL: 1 mm, 1,5 mm, 2 mm 4 For K12G & K12GO with max. switching power: 5 x 10 operations SWITCHING TRAVEL: 0,6 mm* CONTACT RESISTANCE: Initial 50 m OPERATING FORCE: 1.5 N OD without snap-point as detector 10 INSULATION RESISTANCE: 10 switch, 2.5 N, 3.5 N, 5 N, 3.5/7 N, 6/12 N. Additional BOUNCE TIME: 1 ms Operating speed 100 mm/s (3.94/s) operating force 7N, 9N and 20N, available on request. PROTECTION CLASS: K12C IP 67 (dust tight, protected against Environmental the effects of immersion in water other versions IP 40) OPERATING TEMPERATURE: -40C to 85C * Additional switching travel (with pre-travel) available by request. STORAGE TEMPERATURE: -40C to 95C Packaging Process Bulk in boxes of 250 pieces (version C or GO) or 300 pieces (version A, AL, P or PL) SOLDERABILITY: Wave soldering, compatible with lead free soldering profile Hand soldering, 350C 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 1 2 Series K12A No snap-in pegs K12AL No snap-in pegs with central LED Standard LED Code LED Color K12P With snap-in pegs NONE No LED NONE No LED K12PL With central LED LV306 Green GN Green K12C Sealed contact with rubber cap (IP 67) LV327 Yellow YE Yellow K12GO Two-step switch LV315 Orange OG Orange LV352 Red RD Red LV302 White WH White LV328 Blue BU Blue Cap Color Operating Force*** NONE version with LED, version C 1.5N OD 1.5 N without BK Black cap No LED Contact Travel* snap-point YE Yellow cap - No LED 1 1 mm (0.039) 2.5N 2.5 N Arrangement RD Red cap No LED NONE SPST NO (STD) 1.5 1.5 mm (0.059) 3.5N 3.5 N GY Gray cap No LED 1R SPST NC 2 2 mm (0.079) 5N 5 N * K12C 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 17 Dec 21 www.ckswitches.com D712 .472 K12 Series High Performance Key Switches SERIES K12A without snap in total travel 1 or 1.5mm PCB LAYOUT, MOUNTING SIDE 7,5 .295 1 .0394 2,6 .103 9,8 .386 10,9 .429 K12AL 3 .118 PCB LAYOUT, MOUNTING SIDE +0,05 2x 1,1 D 2,6 0 ELECTRICAL GRAPH C 2,5 A PCB 2 1 2 4x 0,9 0,05 1 A 7,5 C 4,6 A .181 5,6 .22 +0,05 2x 2x center hole 1,1 2x LED 0,5 (.020) Sn 0,05 0,9 2x 2x switch 0,7x0,2 (.028x.081) Sn A Without Hole with LED Description Terminal Section Surface 1 2 C Dimensions are shown: mm Specifications and dimensions subject to change 17 Dec 21 www.ckswitches.com D8 Key Switches 5,5 .217 11 .433 1,5 .0591 9 .354 2.9 11 .4334 .1141 3,6 2,5 0,2 2,5 0,2 .007 2,5 .098 2,5 .098 K12