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Smart Electronics 4*4/3*4 technology low price keyboard switch matrix, microcontroller external expansion keyboard, thin film keyboard

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Smart Electronics 4*4/3*4 technology low price keyboard switch matrix, microcontroller external expansion keyboard, thin film keyboard

4*4/3*4 technology low price keyboard switch matrix, microcontroller external expansion keyboard, thin film keyboard
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PET silver paste printing circuit


Electronic Characteristics
Circuit level :35V (DC), 100mA, 1W
Contact resistance: 10-500Q (varies with lead length and material)
Insulation impedance: 100M Ω 100V
Dielectric withstand voltage: 250VRms (50-60Hz1mn)
Contact jitter time: ≤ 5ms
Mechanical Properties
Operating pressure: Metal shrapnel type 220-350g


Environmental Parameters
Switch stroke: metal spring type 0.6-0.8mm
Storage temperature:+15 ℃ -35 ℃
Storage humidity: 70% -90%
Test temperature: 0 ° C -+60 ° 16H
Test humidity: 70% -90%
Vibration: 20G's msx (10-200 Hz, MIL-STD-202, M204, Condition B)
Material Properties
Line thickness: ≤ 0.13MM
Service life: Film button type less than 500000 times

Advantage:

*We have ISO 9001: 2015 authentication. *Small trial orders can be accepted, free sample is available. *Our price is reasonable and keep top quality for every clients


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