Main Specifications Operating Temperature Range: -20 to +70 Rated Current and Voltage: 50mA. / 12V DC Insulation Resistance: 100M Dielectric Strength: 250V AC (50Hz or 60Hz) for 60 seconds Contact Resistance: 50m Full Travel: 0.25±0.1mm Operating Force: 1.6±0.5N Strong Features Type: SMD surface-mounted tact switch Operating Life cycles: 50000 Flux proof, Reflow solderable. Sharp click feel with a positive tactile feedback Highly reliable contacts sealed structure. Larger top surface of the stem improve mounting speed.