KXT331LHS is an ultra low profile top actuated tactile switch from the KXT3 series, designed for compact electronic applications requiring reliable momentary action. It features a 3.0 x 2.0 mm footprint with 0.6 mm thickness, an operating force of 240 ± 70 gf, and an operating life of 500,000 cycles. The switch offers electrical ratings of 15 VDC maximum voltage and 20 mA maximum current, with contact resistance = 500 mO and insulation resistance = 50 MO. Operating over a temperature range of -40°C to 85°C, it is suited for infrared reflow soldering per IEC61760-1. Common applications include wearable electronics, in-ear headphones, earbuds, mobile phones, portable electronics, and hearing aids.