Metal Shrapnel Type Membrane Switches

Specifications

1 material: PET
2 adhesive: 3M467 & 3M468
3 Type: Metal dome tactile
4 Pass:  ISO9001: 2000, RoHS

1. Overlay Materials: The most commonly used base materials are polyester(PET) and polycarbonate(PC).
2. Rear Adhesive: 3M467MP 3M468MP etc.
3. Matching color: Pantone and RALcolor matching system.
4. Gloss, semi-gloss or matte
5. Metal dome tactile
6. Standard Tolerances: +/- 0.10inch(+/-0.25mm)
7. Performance

A. Electric Parameter
Resistance: <1Ω /cm
Contact current: 25~100mA
Voltage rating: 2~24V
Voltage insulation: 1500V
Voltage endurance: 250V(60Hz/min)
Insulation resistance: 500VDC\500MΩ

B. Physical Parameter
Active force: 0.3~3N
Lifecycle: >1mil. (non-tactile)
Hand speed: ≤ 5ms
Temperature: -40~+70
Humidity: 40, 48h95%
Work altitude: 0-4500M

C. Travel Distance
Non-tactile: 0.1~0.3mm
Tactile: 0.4~1.0mm

Metal shrapnel module FPC PET printed circuit switch

For the majority of the membrane keys to use the control panel installed in the equipment key switch equipment, with different materials and circuit switches, very durable, long life. 

Shrapnel specifications are stainless steel nickel-plated and multi-pin contacts, etc., and in accordance with customer requirements.

Button layout and size, can be produced in full accordance with the customer has the picture, all processes are finished in Zhejiang, fast delivery, and high quality and very stable. Welcome your inquiry.

This is the most popular membrane switch in the world, because it has a light and mechanical operation feeling different from Click-emboss type, and also has excellent durability.

Various metal domes with different pressing force and shapes are available, so you can choose the one you like.

The type combined with Design-embossed surface sheet is also popular.