For use with wearable technology, telecommunications and other demanding compact applications, the E-Switch TL3305 series ultraminiature surface-mount tact switch is now available from Digi-Key.

The ultraminiature SMT tact switch offers a tiny 4.5mm x 4.5 mm package size. It has a surface-mount termination and two operating forces to choose from with operating lifecycle up to 500,000. It also offers multiple actuator lengths from 3.8mm to 7mm.

Typical applications include wearable products, telecommunications, consumer electronics, audio / visual, medical devices, testing / instrumentation, and computers / peripherals.