PTS125SM12-2LFS is a 12 mm tactile switch from the PTS125 Series designed for momentary action applications with a single make contact (SPST, N.O.) configuration. The switch features a 0.30 mm ± 0.15 mm travel distance and offers both SMT and THT termination options with a round ribbed actuator at 12.0 mm height. It delivers an operating force of 180 grams (±50 gf) or 250 grams (±50 gf), with a maximum voltage rating of 12 VDC and maximum current of 50 mA, ensuring reliable electrical performance with contact resistance below 100 mO and bounce time less than 5 ms. The switch is rated for 200,000 operating cycles and operates across a temperature range of -20°C to 70°C, making it suitable for consumer products, instrumentation, computer products, and industrial applications requiring durable tactile feedback.