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Product Description: 1.Membrane keyboard Construct Graphic Overlay: F150 (0.15mm) Overlay Adhesive: DT6025 (0.125mm) Lowwer Circuit: FPC circuit (0.1mm) LED Circuit Spacer: DT6125 (0.225mm) LED Circuit: ------ (0mm) Rear Adhesive: 3M467 (0.005mm) 2.Electrical Properties Operating Voltage: ≤ 50VDC Working Current: ≤ 100mA Loop Resistance: <200Ω Insulation Resistance: 50V (50MΩ) Dielectric: 250 Vrms (50~60Hz 1min) Contact Bounce: < 5ms Expected Life (Flat) ≥ 5million times Expected Life (Tactile) ≥ 1 million times Duraswitch ≥ 10million times 3.Mechanica Properties Operation Force (Flat) 57~284g(2~10oz) Operation Force (Tactile) 170~450g(6~14oz) Operation Height (Flat) 0.1~0.5mm Operation Height (Tactile) 0.6~1.5mm 4.Environment Parameter Operation Temperature -40~+80 Degree Centigrade Storage Temperature -40~+85 Degree Centigrade Humidity 90%~95%, 240 hours Atmospheric pressure 80 ~ 108kDa Packaging & Shipping Packing 1) Wrap in air bubble film 2) Put into foam box 3) Packed with extra carton box, which make sure the goods safety in transportation. 4) We accepted Customized package. Delivery To create and submit counter-drawings + artwork for your approval:2-3 working days To build tooling and Sample Shipping:8-10 days Mass Production Delivery:15-30 days after the sample confirmation Shipping Details: 1) Can be Shippded by international express such as DHL, FEDEX, EMS, TNT, UPS, or by Sea, by air, it's depends on customzers' requirement. 2) The tracking number will be informed once the package was delivered. 3) We will follow the shipment after we sent it. If you not receive goods on time, please contact us immediately, we will assist to get the goods smoothly. About Esuntouch: Esuntouch can provide you efficient solutions on projects like membrane switches, graphic overlays, TFT IPS LCD Display Module, capacitive & Resistive touch panel,Force Sensing Resistor, Capacitive Foil Sensor, Film Heater,Seat Sensor, flexible membrane circuit, acrylic panel, metal panel, sticker label, etc. For quoting, design files are preferred. File in format of .ai, .cdr, .dxf, .pdf for artwork and circuit are sufficient for our quoting. Welcome your email FRQ to sales at esuntouch dot com.