Metal dome Membrane Switch

Metal shrapnel sensitive thin film switch

Thickness ≥ 0.8mm

Life ≥ 500000

It has good stability and reliability, and the shrapnel can be treated with different surface treatments such as gold plating, nickel plating, or stainless steel.

We can choose metal shrapnel with different shapes such as 4 legs, circular, elliptical, etc.

The optional range according to pressure is 125-450 grams.

Electrical performance:

Maximum resistance level: 35V (DC), 100MA, 1W

Loop resistance: varies depending on the length of the output line or designed according to customer requirements

Insulation resistance: ≥ 100 ohms, 100V (DC)

Dielectric withstand voltage: 250V RMS (50-60Hz) for 1 minute

Service life: Over 1 million times

Mechanical characteristics:

Key operation force: 15g~400g

Switching stroke: 0.1-0.5mm

Environmental characteristics:

Working temperature: -30 ℃~+70 ℃

Storage temperature: -40 ℃~+80 ℃

Environmental humidity: 40 ℃, 95%, 240H

Applicable industries:

Instrumentation: measuring instruments, measuring instruments, medical instruments, navigation instruments, industrial instruments

Mechanical and electrical products: CNC machine tools, industrial machinery, industrial appliances

Household appliances: air conditioners, washing machines, induction cookers, microwave ovens, rice cookers, coffee machines, soybean milk machines, remote controls

Office systems: telephones, fax machines, copiers, printers, computer keyboards

Learning products: children's learning machine, point reading machine, electronic keyboard

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