Tactile Metal Dome Membrane Switch Keyboard

• Electrical

1.Voltage: ≤ 50V (DC)
2.Current: ≤ 100mA
3.Contact resistance: 0.5 - 10 Ω
4.Insulation resistance: ≥ 100M Ω (100V / DC)
5.Substrate withstand voltage: 2KV (DC)
6.Rebound time: ≤ 6ms
7.Loop resistance:≤ 100Ω, or 500Ω-1KΩ according to the needs of users.
8.Insulation ink withstand voltage: 100V / DC  

•  Mechanical

1. Reliability service life: > 1 million times.
2. Standard working force: 100 - 750g.
3. The silver paste line is free of oxidation and impurities
4. silver paste line width ≥ 0.3mm.
5. pin spacing standard 2.54, 2.50, 1.27, 1.25, 1.0, 0.5mm.
6. The bending resistance of tail cable shall be rolled 80 times with d = 10mm steel rod.
7.  The adhesion of printing ink should be passed test by Cross-Cut Tester.

•  Environmental

1. Working temperature: - 20 ºC -+ 70 ºC
2. Storage temperature: - 40 ºC - + 85 ºC, 95% ± 5%
3. Atmospheric pressure: 86 - 106kpa