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Membrane Switches - Dura Switch |
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 Click to enlarge image
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Thermoplastic Polyurethane (TPU) refers to general PU elastic material.
This material does not cause any damage to human body or the environment.
It is the most popular and optimal environment material to replace traditional procedure of membramce switch for now.
| Electrical |
| Maximum Circuit Rating |
35V( DC)100mA 1W |
| Contact Resistance |
10Ω~500Ω (depending on trace length & material used). |
| Insulation Resistance |
100MΩ at 100V DC |
| Dielectric Withstand |
250 V Rms (50~60 Hz 1 min.) |
| Contact Bounce |
≦5ms |
| Life Expectancy |
Flat type ≧ Five million colosures |
| Mylar type ≧ 2 million colosures |
| Metal type ≧ 1 million colosures | |
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| Mechanical |
| Actuation Force |
Flat type = 60 to 300 g (2 to 10 oz) |
| actile type = 180 to 400 g (6 to 14 oz) |
| Switch Stroke |
Flat type = 0.1 to 0.5mm |
| Tactile type = 0.6 to 1.5mm | |
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| Environmental |
| Operation Temperature |
Flat/Metal dome: -40 °C to +80 °C |
| Poly dome: -20 °C to +55 °C |
| Storage Temperature |
Flat/Metal dome: -40 °C to +85 °C |
| Poly dome: -40 °C to +60 °C |
| Humidity |
40 °C , 90% ~ 95% for 240 hours |
| Vibration |
20 G's0 max(10-200 Hz、MIL-STD-202、M204、Condition B) | |
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