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POLARIS-KEYPAD’s rubber keypads are available as either conductive, or non-conductive, single or multi-colored, and in almost any shape to suit customer's individual design requirements. They may interface directly with a PCB/FPC or with a membrane-switch layer. Applications are widespread and varied.
POLARIS-KEYPAD silicone rubber keypads are a frequent choice for medical, industrial control and specialized automotive OEM industrial designers. These molded geometries are often limited only by the designer's imagination. Complex shapes, rainbow of colors, deadfront effects, and laser etched graphics and wear resistant hard coatings... are just a few of the options in play.
Normal Treatment on Rubber Keypads Surface:
screen printing, spray paint, laser etching, key caps, PU coating, hard coating, epoxy coating;
Contact resistance
200 ohm maximum with 150 ohm typical
Life
more than 1 million actuations per key
Contact bounce
10 Msec. maximum
Insulation resistance
100 Mohm at 250v DC
Maximum contact rating
24v DC 100mA
Dielectric strength
15 kv/mm
Operation temperature
40 to150°C
Storage temperature
-50 to175°C
Key Travel
0.8mm to1.2mmtypical
Material hardness
30-65 Shore A typical