Nanjing Zhongshan Membrane Switch Co., Ltd.
Nanjing Zhongshan Membrane Switch Co., Ltd. Over 20 Years of Membrane Switch Supplier
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Dust Proof Membrane Switch Keypad , Custom Tactile Button Switch
Tactile Metal Dome Switch Descriptiion
This is a metal dome tactile membrane switch, with two kind circuit 1.54mm and
2.54mm. Usually, it is used on Printing Machine export to Americal.On the
surface, there are black and white colours.the back real adhesive is 3M467.lets
see the following pirctures for detail:
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Tactile Metal Dome Switch Electronic characteristics
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Circuit rating
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35V(DC),100mA,1 W |
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Contact resistance
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10Ω - 500Ω(According the trace length and materials to confirm)
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Insulation resistance
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>100MΩ 250V(DC) |
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Contact bounce
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≤5ms |
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Dielectric withstand
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250VRms(50 - 60Hz/1 min) |
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Life expectancy
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flat type≥5million times, tactile type:≥1 million times |
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Tactile Metal Dome Switch Mechanical Properties
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Operating pressure
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flat type 57-284g (2-10 Oz),tactile type
170-397g (6-14 Oz) |
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Switch stroke
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flat type 0.1 - 0.5mm, tactile type 0.6 - 1.5mm |
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Environmental parameters
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Operating Temperature
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-20°C - +80°C |
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Storage temperature
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-40°C - +85°C |
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Humidity
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40°C,90%-95%,240 hours |
(1). Custom design expertise
(2). Single source manufacturing
(3). Assembly of surface mount components/circuit boards/backplates
(4). Multi-tasking switch pattern designs
(5). Custom molded boxes, bezels and frames with switch installation
(6). Precise color matching and repeatability
(7). Water resistant designs
(8). Fiber optic back-lighting
(9). 100% function testing of all circuits in-house