TKM MEMBRANE TECHNOLOGY LTD.
Foundation Industries MFG.LTD Live by quality, develop by innnovation. FOUNDATION, your best membrane switch supplier in China.
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The membrane keypads are widely used in both domestic and industrial devices, e.g. in control and measurement equipment, in control systems as well as in the military, medical and automotive industries.
Design and production technology offers many possibilities and different properties.
– many design possibilities (customization)
– aesthetics
– durability
– resistance to external factors: atmospheric, chemical and mechanical
– low price in large series
– extremely thin construction.
| Color | any |
| Shape | any |
| – screen printing – digital print |
| Graphic overlay material | modified, heat stabilized polyester or polycarbonate foils |
| Paths and contact pads material | silver based inks |
| Number, shape, thickness of paths | any |
| Connection, flexible connecting tail:
| – Crimpflex connector in pitch 2.54 mm – tail end prepared for ZIF or non-ZIF connector in pitches 2.54, 1.25, 1.00 mm |
|
IP | IP65 (front) |
| UV resistance | yes * – in moderate conditions of our climate zone * In the conditions of strong UV radiation, we recommend making a prototype |
| Operating current | recommended to 20mA |
| Operating voltage | recommended to 24V |
| Power rating | max. 1W |
| Life cycle | min. 1 million activations |
| Operating temperature range of keypad/nameplate | embossed: 0°C to +45°C flat: -20°C to +70°C |
| Storage temperature range of keypad/nameplate | embossed: -20°C to +45°C flat: -30°C to +70°C |
| Keys | – flat – pressed – with metal membranes |
| Window shielding | yes |
| Electromagnetic protection of displays | yes |
| Backlighting | LED one-colored and two-colored |
| Holes | – any number – any shape – out or in a different way |
| Surface finish | – glossy – antiglare – hard coated |
| Windows for LED elements | – transparent – colored filters |
