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Poly dome membrane switch
Source: FLEXKYS Editorial Office Release time:2022-02-08 20:14 Click:
Construction of poly dome membrane switch and its circuits design
Working principle of Poly Dome Membrane Switch
When you press the poly dome key, the silver print under the dome connects with circuit on opposite layer, thereby closing the circuit. The click hand feeling indicates the correct operation. The function of poly dome is similar as metal dome.
Advantages of poly dome membrane switch
Electrical performance
Item | Date | Item | Date |
Wire Resistance | 0.5mm width,<1Ω/cm | Rated Current | 25-200mA,0-30V DC |
Insulation Resistance | >100MΩ 250V DC | Working Voltage | <50V DC |
Working Life | >1 million times | Working Temperature | -20℃-35℃ |
Working Humidity | 40℃,98%RH No Influence | Feedback Time | 10ms |
Notice
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