----*----NoneTactile Membrane Switch With Metal Domes Inside---*---

Membrane Switch - Clean Room Assembly

All Membrane Switch assemblies are completed in a clean room environment and can incorporate a variety of sub panel materials including aluminium, plastic and stainless steel.

Membrane Switch - Functional Testing

To ensure customer satisfaction, specialised equipment is utilised to fully test every component. The results of these functional tests are supplied with all Membrane Keypads.

 

Overlay Materials: Polyester with British brand of AUTOTYPE or Polycarbonate with American brand of GE or with Germany brand of Bayer.
Rear Adhesive: 3M 467MP, 3M 468MP, etc.

Standard Tolerances: +/-. 010 inch.
Matching color: Pantone color matching system.
Tail, pin and circuit layout: Subject to customers detailed requests.

Type of Switch:
Non tactile
Tactile with stainless steel domes
Tactile with mylar domes
Material for electronic circuit sheet: Polyester, PCB (Rigid Printed Circuit Board) or FPC (Flexible Printed Circuit Board)

Notice: We have the capacity to provide you membrane switches with other special requirements, such as water proof, Shielding, Windows/Lens Coating, Embedded LEDs, UV glossy/ matte/ textured, etc.

Performance:
1)Electronic specification
Maximum technical data: 35V (DC), 100mA, 1W
Circuit impedance: 10Ω -500Ω
Insulation: 100MΩ /100V
Dielectric withstand: 250V RMS (50-60Hz 1 min)
Contact bounce: ≤ 5ms
Life expectancy: 5 million closures for flat type; 1 million closures for tactile feel type
2)Mechanical specification:
Operating press: 50 -400g.
Switch stock: 0.1 -1.5mm
3)Environment Specification
Operation Temperature: -20 C _ + 70 C
Storage temperature: -40 C _ + 85 C.
Humidity: 40 C, 90%-95%, 240 hours
Vibration: 20G, s max. (10~200Hz, MIL-STD-202, M204, Condition B).