Window Silicone Rubber Key Pad Control Keypad Panel:
1. Layers:
Overlay, Overlay adhesive, Dome retainer, Metal dome, Spacer adhesive, Circuit, Rear adhesive (as customers request)
2. Main types: There are many different types and layouts of membrane switch, its basic function like travel, operating force, life time mainly depend on type of key and material. The main types can be sorted as follows:
Membrane switch with flat keys, membrane switch with embossed keys (rectangle or dome), membrane switch with metal dome or polydome, tactile or non-tactile, membrane switch with LCD window or embedded LED, and so on...
3. Technical Parameters:
Wire Resistance: ≤ 1 Ohm/cm
Current Rating: 25-100mA, 0-30V DC
Work Voltage: ≤ 50V DC
Insulation Voltage: ≤ 100M Ohm 250V DC
Working Life: ≤ One Million Times
Work Temperature: -40 Centigrade-70 Centigrade
Work Humidity: 40 Centigrade-≤ 98%RH
Basic Material Pressurization: 1500V DC
Looking forward to your special inquiry!
| Technical Specification Of Membrane Swithc | |
wire lead resistance: | <1Ω/CM | | Life time: | >1 Million times |
rated current: | 25-100mA,0~30V DC | | Operation Temperature: | -104°F~158°F |
Rated Voltage: | <50V, DC | | Operation Humidity: | at104°F,<98%RH |
Insulation resistance: | <100MΩ,250V DC | | Dome springback time: | <5 msec |
Switch travel: | Flat Type 0.05-0.3mm | | Base Material voltage withstand: | 1500 V DC |
tactile type:0.3-1.5mm | | Tail flexiblility: | any angle within 180 degree |