3m Adhesive Membrane Switches

3m Adhesive Membrane Switches

Material:  PET(polyester), PC(polycarbonate)
Dimension:  As your design
Color: Pantone  and  RALcolor  matching  system
Rear  Adhesive: 3M467, 3M468, 3M9448, LES300  ect.

Features:
1)with  metal  domes or without 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)

Performance indicators:

1. Electronic characteristics
Circuit rating: 35V (DC), 100mA, 1W
Contact resistance: 10Ω --500Ω (According the trace length and materials to comfirm)
Insulation resistance: > 100MΩ 250V DC
Contact bounce: ≤ 5ms Dielectric withstand: 250VRms (50-60Hz 1min)

Life expectancy: Flat type ≥ 5 million times, tactile type: ≥ 1 million times

2. Mechanical Properties Actuation force: 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

3. Environmental parameters
Operating Temperature: -40 oC- +80oC, Storage temperature: -40oC - +85oC
Humidity: 40oC, 90% -95%, 240 hours