The MJTP1138GTR is a surface-mount tactile switch from the MJTP series, designed for momentary SPST operation. It features a contact rating of 50 mA at 12 VDC, an actuation force of 160 ±30 grams, and a minimum electrical life of 100,000 cycles. The switch is constructed with high-temperature materials and offers a low contact resistance of 100 milliohms maximum. With an operating temperature range of -20°C to +70°C and compatibility with IR reflow soldering, this compact switch is ideal for applications requiring reliable user input in various electronic devices.