The TE Connectivity / Alcoswitch MCSLPT4644B3PHTR Tactile Switch is a reliable and durable switch designed for a variety of applications. This switch features a 4.6mm x 4.4mm x 0.55mm body size and a 3.5mm pitch. It is a single-pole, single-throw (SPST) switch with a tactile action. The switch is rated for a maximum current of 50mA and a maximum voltage of 12V DC. It is RoHS compliant and has a contact resistance of 100mΩ max. The switch is designed for a long life of up to 1 million cycles and is suitable for use in a wide range of applications, including consumer electronics, automotive, and industrial applications.