Material

PET(polyester),PC(polycarbonate)

Dimension

According to customer's demand,OEM service

Color

Pantone and RALcolor matching system.

Rear Adhesive

3M467,3M468,3M9448 ect

Features

1) with metal dome,

2) Key:embossed or flat

3) screen printing

4) with clear or transparent window

5) glossy surface or matte surface

6) Standard Tolerances:+/- 0.10inch(+/-0.25mm)

Best service + best price+best quality

Electronic characteristics

Circuit rating

35V(DC),100mA,1 W

Contact resistance

10Ω - 500Ω(According the trace length and materials to confirm) 

Insulation resistance

>100MΩ 250V(DC)

Contact bounce

≤5ms

Dielectric withstand

250VRms(50 - 60Hz/1 min)

Life expectancy

flat type≥5 million times,tactile type:≥1 million times

Mechanical Properties

Operating pressure

flat type 57-284g (2-10 Oz),tactile type 170-397g (6-14 Oz) 

Switch stroke

flat type 0.1 - 0.5mm, tactile type 0.6 - 1.5mm

Environmental parameters

Operating Temperature

-20°C - +80°C

Storage temperature

-40°C - +85°C

Humidity

40°C,90%-95%,240 hours