The PTS645SM50-2LFS is a 6x6 mm SPST tactile switch from the PTS645 series, designed for thru-hole mounting and providing momentary action. It features straight PC pin terminals, a 5.0 mm actuator height, and requires an actuation force of 160 grams. This switch is rated for 50 mA at 12 V DC and has a life expectancy of 100,000 operations. Operating reliably in temperatures from -20°C to 70°C, its compact size and RoHS compliance make it a versatile choice for applications in consumer electronics, instrumentation, and industrial controls.