KMR231NGULCLFS is a microminiature surface mount tactile switch from the KMR 2 Series, designed for top actuation with momentary action and SPST normally open contact arrangement. It features a 3.0 N (300 grams) operating force with ±0.75 N tolerance, 0.25 mm travel, and an operating life of 150,000 cycles. This ultra low current (ULC) version supports a minimum current of 1 µA at 1.8 VDC, with maximum voltage of 32 VDC and contact resistance =100 mO. The switch has a total height of 1.9 mm, gullwing terminals for SMT, no ground pin configuration, and operates over a temperature range of -40°C to 85°C. Typical applications include automotive, industrial electronics, and medical equipment where compact size and excellent tactile feel are required.