产品应用
Single Point LED membrane keypad provide your devices with an indicator for your button. This type of membrane keypad is with built in LED and contact metal dome embedded into bottom layer of the switch. It consumes a sharp tactile feedback with single point led indicator next to a button. It is a costs effective way to enhance user interface.
Features & benefits include:
● Long life cycle
● Sharp tactile feel
● A cost-effective backlighting solution
● Good user experience
Membrane Switch Type | Non-Tactile Keyboards | Tactile Keyboards |
Electrical |
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Contact Rating | 35V (DC), 100mA, 1watt | 35V (DC), 100mA, 1watt |
Insulation Resistance | 10 Ω – 50 Ω | 10 Ω – 50 Ω |
Contact Resistance | ≥ 100M Ω, 100V | ≥100M Ω, 100V |
Endurance | 250V Rms (50-60Hz 1 min) | 250V Rms (50-60Hz 1 min) |
Contact Bounce | ≤ 5ms | ≤ 5ms |
Mechanical |
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Actuation Force | 50 – 280g | 170 – 400g |
Switch Travel | 0.1 – 1.5mm | 0.1 – 1.5mm |
Switch Life* | 1,000,000 (min.) cycles | 1,000,000 (min.) cycles |
Environmental |
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Operating Temp. | -20℃ to +70℃ | -20℃ to +70℃ |
Storage Temp. | -20℃ to +70℃ | -20℃ to +70℃ |
Humidity | 40°C, 90-95%, 240 hours | 40°C, 90-95%, 240 hours |
Vibration | 20G's max (10-200Hz, MIL-STD-202, M204, condition B) | 20G's max (10-200Hz, MIL-STD-202, M204, condition B) |
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