Membrane switch with FPC flexible circuit

A membrane switch with FPC combines a flexible printed circuit (FPC) with membrane keypads. It features flexible design, adapts to diverse requirements, and is widely used in scenarios such as instruments and meters, medical equipment, and industrial control panels.

Product Detail

Membrane switch construction:

A membrane switch consists of various layers laminated together. The layers of a basic membrane switch construction include: a membrane overlay, spacer, printer circuit, rear adhesive, and tail filler. Depending on the environment and requirements of the application into which the membrane switch plugs into, the construction can vary. For example, if shielding is necessary, a two-circuit membrane switch design would be a better construction choice.

For more stringent environmental requirements, the printed silver circuit can be replaced with a copper and polyimide construction. These construction designs offer advantage with regard to current carrying capacity and better resistance to moisture.

Electrical performance:

Wire Resistance	1.0mm width,<1Ω/cm	Rated Current	25-150mA,0-30V DC
Insulation Resistance	>100MΩ 250V DC	Working Voltage	<50V DC
Non-tactile Switch Stroke	0.1-0.4mm	Tactile Switch Stroke	0.4-1.0mm
Working Life	>0.5-1.2 million times	Working Temperature	-20℃-40℃
Working Humidity	40℃,90%RH No Influence	Substrate Voltage	1500V DC
Feed BackTime	10ms	Tail Folding	R>1,180 angel

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Membrane switch with FPC flexible circuit

Product Detail

Membrane switch construction:

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