bC dimensions are shown: inches (mm) specifications and dimensions subject to change www.ck-components.com features/benefits ? long life version ? 4 actuation forces ? optional ground pin ? ultra low current capabilities ? excellent tactile feel kmr 2 series microminiature smt top actuated typical applications ? automotive ? cellular phones ? industrial electronics ? medical equipment electrical silver gold maximum power: 1 va 0.2 va maximum voltage: 32 vdc 32 vdc minimum voltage: 20 mvdc 20 mvdc maximum current: 50 ma 10 ma minimum current: 1 ma* 1 ma* dielectric strength: 250 vrms contact resistance: 100 m insulation resistance: 1g bounce time: 3 ms *for ulc version minimum curr ent is 1? at 1.8 vdc envir onmental silver gold opera ting tempera ture: -40?c to 85?c -40?c to 125?c storage temperature: -55?c to 85?c -55?c to 125?c process infrar ed reflow soldering in accor dance with iec61760-1 packaging in reels of 7,000 pieces for kmr 2 external diameter 330 mm 2 mm note : specifications listed above ar e for switches with standar d options. for information on specific and custom switches, consult customer service center . specification function: momentary action contact arrangement: 1 make contact = spst, n.o. terminals: gullwing type for smt mechanical total height 2 1,9 mm lfs lead free compatible, silver plated lfg lead free compatible, gold plated actuation force 1 1.2 n (120 grams) 2 2 n (200 grams) 3 3 n (300 grams) 4 4 n (400 grams) k m r n g 2 3 1 contact material 1 silver 2 silver long life 3 gold grounding option g ground pin ng no ground pin low current capability void under standard specification ulc low current part number description for any part number different from those listed above, please consult your local representative. kmr211 lfs 1.2 (120) 0.30 200 000 0.20 mm 0.1 kmr213 lfg 1.2 (120) 0.30 200 000 0.20 mm 0.1 kmr221 lfs 2.0 (200) 0.50 200 000 0.25 mm 0.1 kmr223g lfg 2.0 (200) 0.50 200 000 0.25 mm 0.1 kmr231 lfs 3.0 (300) 0.75 150 000 0.25 mm 0.1 kmr233g lfg 3.0 (300) 0.75 150 000 0.25 mm 0.1 kmr231 ulc lfs 3.0 (300) 0.75 150 000 0.25 mm 0.1 kmr232 lfs 3.0 (300) 0.75 300 000 0.25 mm 0.1 kmr232 ulc lfs 3.0 (300) 0.75 300 000 0.25 mm 0.1 kmr241 lfs 4.0 (400) 1.00 100 000 0.30 mm 0.1 kmr243g lfg 4.0 (400) 1.00 100 000 0.30 mm 0.1 kmr241 ulc lfs 4.0 (400) 1.00 100 000 0.30 mm 0.1 kmr242 lfs 4.0 (400) 1.00 200 000 0.30 mm 0.1 kmr242 ulc lfs 4.0 (400) 1.00 200 000 0.30 mm 0.1 type g and ng (except gold version g only) see description below operating force n (grs) operating life (cycles) travel (mm) t actile feeling: for kmr 2 series: 30% (1.2n at 20%) u l c l f s t actile switches b
bC0 dimensions are shown: inch (mm) specifications and dimensions subject to change www .ck-components.com t actile switches b b b a a ? +0 , 25 0 +0 , 3 -0,1 ? gr o und terminal 6 0 max 4 ?0,1 1,5 0,1 2 ?0,05 4,95 ?0,1 1,5 3,03 ?0,1 1,75 5,5 ?0,0 5 12 2,13 ?0,1 0,29 2 0, 02 se c tio n a- a de-reel ing di re ction out of t he tap e 7 0 m a x kmr 2 series microminiature tact switch for smt b b 2,11 1,61 2,2 0,6 0,6 4,2 4,6 2,45 0,55 0,6 2,6 5 1,7 3,2 1 2,8 0,2 1 ,4 0 , 15 1,9 0,2 3 4 2 1 5 kmr 2 series - 1.9 mm height direction of feed t ape & reel pcb layout shown with ground pin option
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