- Membrane switch is a operating system of key function, indicating element and instrument panel brought together. Membrane switch is also named light touch keyboard, using planar multilayer combination sealing structure as a whole. It is a new type of optical, mechanical and electrical integration of electronic component. It can replace the keys of conventional discrete component , more reliably operating system tasks.
- Membrane switch panel is the main type of membrane switch, made of the basis of rigid or flexible printed circuit board, installed tactile or non-tactile buttons and plastic membrane overlay printed with colorful decorative pattern. It is a new type of human conversation interface. The connection between the switching circuit with the machine can be completed by the splicing or welding method.Printing Circuit Techinical Parameters:
Electronic Characteristic <35五( 直流) <100mA 1W
Life Expectancy Flat type≥ 500 million times Tactile type≥ 100 million times
接觸電阻 10Ω~ 500Ω( According the trace length and materials to confirm)
Operation Temperature -40°c~ +80°c Insulating Impedance > 100MΩ 250V DC Storage Temperature -40°c~ +85°c Resistance Of The Wire < 1 Ω⁄ cm width 1.27mm Humidity +40°c, 90%~95%, 240 hour Operation Force Flat type 57~ 284g( 2~ 10 Oz) Tactile type 170~ 397g( 6~ 14Oz)
Switch Stroke Flat type 0.1~0.5mm Tactile type 0.6~1.5mm
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