The YTSA006A0801801B Tactile Switch is a 3.1mm round button brick nogging, surface-mount device (SMD) manufactured by DGBZ. It has a rated operating current of 50 mA, a contact resistance of 100 MO, a pull force of 180 gf, a rated voltage of 12 V, a size of 0.8 mm, and a color of yellow. It is compliant with ROHS requirements and features a single-pole single-throw (SPST) configuration.