The JPM1040-2013FC with Electrical Switches SMD RoHS by SMK is a switch component used to connect or disconnect electrical signals or voltages. It is a 4 pin-on-board (SMD) switch, with a RoHS compliant design. The product is very small in size, measuring just 0.8mm, and is ideal for use in small, densely populated circuits and other electronics. It is rated for an operating temperature of -40°C to +85°C, and is rated for voltage up to 250VAC. Its contact resistance is less than 2.5mOhm, and it features a clear cap for easy identification.