Membrane Switches
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  • Technical parameters
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  • Operating Voltage: ≤42VDC(25VAC)
  • Loop Resistance: ≤70Ω(in between 250mm)
  • Conductor Resistance, Width: 1.27mm≤1Ω/cm
  • Insulating Property: ≥100MΩ
  • Voltage withstood of basis materials: ≤1500VDC
  • Service Life: Tactile Type≥200,000 times
  • Non-tactile Type≥1million times
  • Operating Temperature: ≤-40℃~50℃
  • Operating Humidity: ≤95%(40℃)
  • Operating Current: ≤100mA
  • Actuation Force: ≤1~5N
Surface-Mount LEDs
Raised Embossing Type
Flat Embossing Type

Electrical property

  • Working voltage:≤50V(DC)
  • Working current:≤100mA
  • Contact resistance:0.5~10Ω
  • Insulation resistance:≥100MΩ(100V/DC)
  • Base material withstand voltage:2kV(DC)
  • Spring-back time:≤6ms
  • Loop resistance:three gears - 50Ω,150Ω,350Ω or subject to the user needs.
  • Insulation ink withstand voltage:100V/DC

Mechanical property

  • Closing displacement:0.1~0.4mm(atactilia) 0.4~1.0mm(tactile)
  • Conductive silver paste:at 55℃,temperature 90%, 56 hours later,resistance between two lines is 10MΩ/50VDC
  • Reliability service life:>1,000,000 times
  • Force:15~750GF
  • Silver paste has no oxidation and is inclusion- free.
  • Pin pitch standard 2.54, 2.50, 1.27,and 1.25mm
  • Width of silver paste line≥0.3mm, minimum interval 0.3mm, line burrs <1/3,and circuit nick <1/4 line width
  • Resistance to curvature of outgoing line: circuit does not break with d=10mm steel rod rolling for 80 times

Environmental performance

  • Storage temperature:-40℃~+85℃ temperature 95%± 5%
  • Working temperature:-20℃~+70℃
  • Barometric pressure:86~106KPa

Application areas

Membrane switches offer a combination of flexible insulation layers with a conductive material layer together in a sealed non-self-locking multi-layer key switch. This type of switch has been an industrial trend in recent years, with a switch and front panel integrated combination. This allows for functional symbols, light transparent key panels, and micro- current electronic switch internal switch circuitry and leads. Compared to traditional mechanical switches, it has the advantages of being more aesthetic, waterproof, flexible, long-lived, shock and impact resistant, and smaller. It is widely used in industrial, mechanical, electronic, medical instruments, meters, household appliances, and many other fields.
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