The THU12U from PTR Hartmann is an extremely compact, IP67 waterproof tact switch designed for SMT mounting. It is designed to meet the demands of modern portable electronics. With a footprint of just 3.0 × 2.0 mm, an actuation height of 0.6 mm, and a proven lifespan of 300,000 cycles, the THU12U delivers reliability where space is at a premium.
The housing is made of Liquid Crystal Polymer (LCP), a high-quality self-reinforcing thermoplastic; the dome and cover are made of stainless steel, while the contacts are made of silver-plated bronze.
Other features:
- Stroke: 0.15 mm
- Actuation force: 200 gf
- Contactweerstand: < 500 mΩ
- Voltage/Current: 12 VDC / 50 mA
- Operating temperature: −30 to +85 °C
This makes the THU12U ideal for wearables, medical devices, and portable measuring instruments.
