Membrane Keybord Switch Product Description Membrane Keyboard Switch is a conductive keypad panel with unique cosmetic design. We offer full range designs of Membrane Keyboard Switches: Flat and all embossed key type with either metal dome or mylar dome. SMT components, LED back light effect, EL back light. Jumper wire, backlit effect type. Selective texture with choices of transparent, velvet, and colored display window. EMI, RFI, or ESD shielding. Tail termination - either male or female connectors. Waterproof type. Through -hole type. ITO touch screen embedded Membrane Switch. Easy installation. Low cost. Excellent sealing. Can be custom-made to your need. Main Information application products, remote control, telecommunication equipment, OA equipment, household appliance, medical instruments, measuring instruments, toys...etc. Polyester is used for both circuit layers and overlay layers. High temp and corrosion resistant, the flexibility and mechanism are good as well as high reliability. It is mostly suitable used in products where the application environment are atrocious or products are emboss required.Polycarbonate is usually used for overlays. It has more competitive price than PET so mostly used in products that styles improved frequently, such as microwave oven and toys , etc. Standard Specification Electrical Maximum Circuit Rating Contact Resistance Insulation Resistance Dielectric Withstand Contact Bounce Life Expectancy 35V( DC)100mA 1W 10Ω~500Ω(depending on trace length & material used). ≥100M Ω at 100V 250 V Rms (50~60 Hz 1 min.) ≤5ms Flat type = 0.1 to 0.5mm, Tactile type = 0.6 to 1.5mm Mechanical Actuation Force Switch Stroke Flat type = 57 to 284 g (2 to 10 oz), Tactile type = 170 to 397 g (6 to 14 oz) Flat type = 0.1 to 0.5mm, Tactile type = 0.6 to 1.5mm Environmental Operation Temperature Storage Temperature Humidity Vibration Flat/Metal dome: -20 ℃ to +80 ℃, Poly dome: -20 ℃ to +55 ℃ Flat/Metal dome: -40 ℃ to +80 ℃, Poly dome: -40 ℃ to +60 ℃ 40 ℃ , 90% for 240 hours 20 G's0 max, (10-200 Hz、MIL-STD-202、M204、Condition B) 9812 Whithorn Dr., Houston, TX 77095, Phone: 281.855.2218, Fax: 281.859.8825, Email: [email protected]