1.Structure:made by PCB,metal dome,LED, overlayer 2. ISO9001:2008 3.100& test and inspection 4. CE, RoHS, FCC

1. Structure:made by PCB,metal dome,LED,graphic overlayer

2. with special contact pin

3 1.6 mm thickness ,goldish FR4 board

4. 100% test &inspection

5. High quality and good service

6. Finish: immersion gold, plating gold, SMOBC, HASL, OSP, and immersion tin

7. ISO9001:2008 

Operating pressure: <50VDC

Operating current: <100mA

Conact resistance: 0.5~10Ω

Insulation resistance: ≥100MΩ

Material anti-pressure: 2kDVC

Springback time: <6ms

Press lifetime: ≥one million times

Operating temperature: -15°C~+65°C

Storage temperature: -15°C~+45°C

Pressure atmosphere: 86~106KPa

Humindity:40°C, 90%-95%,240 hours

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PCB membrane switch keypad with graphic overlay membrane keypad with 3m adhesive