The FSM4JRT is a tactile switch from the FSMJRT series, featuring a 6mm x 6mm footprint and radial tape packaging. It is engineered with an actuation force of 160 +/- 50 grams and a contact rating of 50 mA at 12 VDC. Key characteristics include a long life expectancy of up to 100,000 cycles, an actuator travel of 0.010 inches, and a PBT actuator button. With an operating temperature range of -40°C to +105°C, this switch provides reliable performance in a wide variety of electronic devices and industrial controls.