The T3772D 120 is a surface mount tact switch from C&K. It is a momentary switch with an extended plunger and snap action, making it suitable for mechanical keyboards. It has an SPST-NO contact type and an operating force of 3.2N, making it a good choice for applications requiring a precise, responsive tactile feel. The T3772D 120 has a contact rating of 0.4VA, a maximum of 50mA at 12VDC, and a mechanical life of 1,000,000 cycles. It is also RoHS compliant, UL recognized, and meets IEC 61058-1 standard directives.