Description:

POLARIS-KEYPAD membrane switches can be built with surface mount LEDs embedded into the switch package to provide a cost effective way for backlighting.

1. Overlay Material: matte PC (smooth), gloss PC + matte oil, gloss PC, PET, and PVC;

2.  LED windows: transparent and translucent; 

3.  Adhesive:3M9448,3M300LSE,3M467,3M468, Nitto etc. 

4.  100% QC before the shipment;

Specification:

1. Electronic characteristics:  

    1.1) Circuit rating: 35V (DC), 100mA, 1W;

    1.2) Contact resistance: 10Ω--500Ω (According the trace length and materials to confirm);  

    1.3) Insulation resistance:> 100MΩ 250V DC; 

    1.4) Contact bounce: ≤ 5ms; 

    1.5) Dielectric withstand:250VRms (50-60Hz 1min);

    1.6) Life: flat type ≥ 5 million times, tactile type: ≥ 1 million times;

    1.7) Actuation force: flat type 57-284g(2-10 Oz), tactile type 170-397g(6-14 Oz);

    1.8) Switch stroke: flat type 0.1-0.5mm, tactile type 0.6-1.5mm;

2. Environmental Parameters:

    2.1) Operating Temperature:-40℃-+80℃;

    2.2) Storage temperature:-40℃ - +85℃;