PTS830GM140SMTRLFS is a microminiature surface-mount tactile switch from the PTS 830 Series, designed for momentary action with a single-pole single-throw normally open (SPST N.O.) contact arrangement. It features a compact 3.5 x 2.6 mm footprint, an operating force of 160 ± 50 gf, and a travel distance of 0.15 mm ± 0.1 mm. The switch is rated for 500,000 life cycles and operates within a temperature range of -40°C to 85°C. Electrical specifications include a maximum voltage of 12 VDC, maximum current of 50 mA, contact resistance of = 100 mO, and insulation resistance of = 100 MO. This tactile switch is ideal for wearable electronics, nomad devices, remote controls, and keyless entry systems where compact size and high reliability are essential.