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Membrane switch for computer keyboard

Description

Electronic characteristics

Circuit level: 35V (DC), 100mA, 1W

Contact resistance: 10Ω~500Ω (depending on the length of the lead wire and the material)

Insulation resistance: 100MΩ 100V

Medium withstand voltage: 250V Rms (50-60Hz 1min) No breakdown or arcing after testing

Contact jitter time: ≤ 5ms

Service life: flat type ≥ 5 million times

Touch type: ≥ 1 million times

Mechanical characteristics:

Operating pressure: flat type 57~284g (2~10oz)

Touch type: 170~397g (6~14oz)

Switch stroke: flat type 0.1~0.5mm

Touch type: 0.6~1.5mm

 

Environmental parameters:

Operating temperature: flat type (including shrapnel) -20 ° C ~ +80 ° C

Convex type: -20 ° C ~ +60 ° C

Storage temperature: flat type (including shrapnel) -40°C~+80°C

Convex type: -40 ° C ~ +60 ° C

Humidity: 40 ° C, 90% to 95%, 240 hours