Description

1 *-color legend printing
Touch metal dome membrane switch
With adhesive on the back
Built-in LED and tail with connector
High-quality metal domes

Specifications
1.  China custom metal dome membrane switch with 4 button
2. Beyond *5 years production experience
3. Dimensions: according to customers demand, OEM services
4. Components: LED, metal dome, connector and circuit, all these can be designed and made according to customers requirements

Membrane switch performance
Electrical performance

Contact resistance: 0.***0Ω
Loop resistance: *0, **0, **0Ω
Insulation resistance: ≥**0MΩ
Recoil time: ≤6ms
Life expectancy: flat type ≥5 million times, tactile type ≥1 million times
Operating voltage: ≤*0V DC
Operating current: ≤**0mA
Base material voltage withstand: 2kDVC
Insulation ink voltage: **0V DC

Mechanical properties
Switch stroke:
Flat type: 0.**0.4mm
Tactile type: 0.**1.0mm

Silver paste migration:
At *5°C, humidity *0%, *6 hours later, impedance is *0Ω/*0V DC
Silver paste line has no problem with oxidation or impurity
Pin spacing standard: 2.*4, 2.*0, 1.*7, 1.*5mm
Environmental parameters

Storage temperature: **0 to **5°C
Operating temperature: **0 to **0°C
Humidity: *0°C, *5% ±5%, **0 hours
Atmospheric pressure: *****6kPa

Print index
Print size deviation: ±0.*0mm
Outer edge line deviation: ±0.1mm
Chromatic deviation: ±0.*1/**0mm