Мембранные клавиатуры

Membrane Keypadswith Metal Dome,combine the membrane with the aluminum panel. Contact point can be metal dome, poly dome and flat. Metal dome, LED and other components can be pasted on the aluminum panel. Electrical features Return circuit resistance: Generally 1 Ohm length cm*width mm (can be different when necessary) Contact resistance: Bellow 2 Ohm Circuit rating: Bellow 35VDC, 100mA, 750mV Dielectric withstand voltage: 250VRms(50-60Hz 1min) Insulation resistance: Above 100M Ohm 100V Contact bounce: Bellow 100msMechanical features Life expectancy: Flat type more than 1 million times Tactile type more than 500, 000times Actuation force: Flat type 50-280g Tactile type 140-400g Switch stroke: Flat type 0.1-0.4mm Tactile type 0.5-1.0mm Environmental Operating temperature: -20degree-60degree Storage temperature: -30degree-75degree Humidity: 35degree, 90%-95%, 180hours Why Xing'an: We Xing'an work very closely with its customers in order to insure the success of its projects. Working on the customers drawing, the Research and Development Department offers specific solutions that meet your needs. ODM, OEM are always welcome in Xing'an.