ALPS Electric co., LTD. Tact Switch SKQT Products Line Model Operation force Travel Ratings (max.) Lifetime (5mA 5V DC) Initial contact resistance SKQTLA 1.568N {160gf} 0.2mm 50mA 12V DC 500mΩ max. SKQTLB 2.548N {260gf} Dimensions                Unit : mm 　 Circuit diagram Printed circuit board land dimensions (When viewed from the switch mounting face)