产品应用
Tactile Membrane Switch could be designed with Contact Metal Dome or Polyester Dome. Compared with metal dome, polyester dome could provide both softer and strong tactile feel depends on graphic layer material and embossed type. The combination could provide a shorter lead time than another one. Since it doesn’t need extra metal dome for each button, the weight and cost will be much lower than Metal Dome one.
Features & benefits include:
● Great flexibility
● Variety of tactile feel options
● A cost-effective Tactile 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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