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embossed membrane switch with the transparent clear window::
Membrane switches are fast replacing mechanical switches in electronic applications where low-cost, visually appealing, and durable input pads are required. Membrane switches are completely sealed making them dust-proof and humidity proof with extended temperature ranges (-45 ~ +100). The typical membrane switch is comprised of several layers:
Technical ParameterTotal Height:0.28-0.45Stroke :0.13-0.30MMScope of Elasticity:100-250GUndulaton of Elasticity:JA25gClick Ration:>30%Life :>1,000,000 CyclesSalt Spary:35Ja2c,5JA0.1%.48HWorking Temp:-2c-50cWorking Humidity:less than 100%RHContact Resistance:<1ohmPrinting Ground Resistance:<3ohmDimension Tolerance:ja0.05-ja0.15MM
Working Humidity:less than 100%RHContact Resistance:<1ohmPrinting Ground Resistance:<3ohmDimension Tolerance:ja0.05-ja0.15MM
1) Size: any
2) Embedded with 5 different colors
3) Material: the graphic overlay is made of PC (polycarbonate), and the circuit layer is made of PET (polyester)
4) Metal dome embossed keys, good tactile feeling, matte finished surface
5) Rear tape: 3M tape, high bonding self-adhesive tape
6) Water-resistant, dust-proof, gas-proof and scratch-resistant
7) Especially used for electronic measurement instruments, electronic weighing apparatus, home appliances, electronic communication and industry automation system.
8) Payment terms: 100% mould fee, 30% deposit and 70% before shipment by T/T, Western Union or L/C at sight
9) Delivery: samples submitted within 10-15 days, cargos within 10-15 days according to your quantity and lead time, shipped by DHL, Fedex, UPS, TNT, 4PX or by sea
10) Any size, design, logo and shape can be customized at your requirement
11) Small orders accepted, good quality, favorable price and prompt delivery
12) OEM&ODM service offered
If you are interested in it, pls feel free to contact me
membrane switch