The TS-1158B-E-D-BL tactile switch is a surface mount switch produced by XKB. It has a No NO 50mA current rating, a 6.2mm diameter, a 100mO resistance, a 100000 cycle life, a 400gf actuation force, a 12V operating voltage, a -30? to +85? operating temperature range, a 5mm blue round button brick nogging, and is compliant with the Restriction of Hazardous Substances (RoHS) directive.