Reference of Membrane Switches

Publish Time: 2020-03-19     Origin: Site

We one of the biggest manufacturers of Printed Flexible circuit in China.

One kind of Printed Flexible circuits is membrane switch which include many layers circuits.

Most of the membrane switch keypads that we made are waterproof.

Membrane Touch Switch means many keys or buttons on it, so we call it touch switch or push buttons switch.


Below is some specifications of membranes.
1. Material (PE, PC)
2. Adhesive 3M
3 Nicomatic Connector
A. Material: RoHS compliant material, for example, Autotype, 3M, Nicomatic.
B. Dimension: According to customer 's drawing or design, OEM design.
C. Color: Pantone and Ral color match system.
D. Constrution: Various types to meet customer 's demand.


Membrane Touch Switch Membrane Keypads
Technical Parameters

Maximum Circuit Rating: 35V(DC), 100mA, 1W
Contact Resistance: 10Ω ~ 500Ω (Varies from the trace length and material)
Insulation Resistance: 100MΩ 100V
Dielectric: 250 Vrms (50~60Hz 1min)
Contact Bounce: < 5ms
Life: Flat: ≥ 5million times
Tactile: ≥ 1 million times
Dura switch: ≥ 10million times


Performance:
Electrical

1. Operating voltage: 0-35V DC.
2. Operating current: 100 MA Max.
3. Operating contact resistance: Less than 100 OHMS typical.
4. Contact bounce: Less than 5 Milliseconds typical.
5. Conductors: Printed silver conductive inks or carbon blend.
6. RFI and ESD shielding: Available in most configurations.


Mechanical
1. Life expectancy: 1, 000.000 actuations per switch position.
2. Actuation force: 6-24 ounces, range depending on customer specification.
3. Switch travel: . 005 to. 030 typical.
4. Overall thickness: . 020 to. 050 typical.


Environment
1. Storage temperature: -40(-40° F) to +70(158° F)
2. Storage altitude: Sea level to 35, 000 feet.
3. Operating temperature and attitude: -30(-30° F) to +75(170° F), can be designed to operate in most environment.

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