The SKRPARE010 with Tactile Switches SPST 4.20mm x 3.20mm 2.50mm 50mA @ 16VDC SMD RoHS manufactured by ALPS is a surface mount device that provides tactile feedback for user input. It measures 4.20mm wide by 3.20mm tall with a height of 2.50mm. It has a maximum current rating of 50mA at 16VDC and is compliant with RoHS directives. The device is a single pole, single throw (SPST) switch with an actuation force of 150gf and a travel of 0.1mm. It has a mechanical life of 100,000 cycles. The contact resistance is 500mO max and the insulation resistance is 100MO min at 250V DC. It has a rated operating temperature of -40 to +85°C and is lead-free and RoHS compliant.