Overlay Materials: The most commonly used base materials are polyester and polycarbonate.
Rear Adhesive: 3M 467MP, 3M 468MP, etc.
Standard Tolerances: +/-.010 inch.
Matching color: Pantone and RAL color matching system.
Tail, pin and circuit layout: subject to customers detailed requests.
Specifications
.Diameter : 12.2mm
.With and without dimple
.Force : 220 / 280 / 340 grammes
.Plating : nickel plating of 0.1 microns or optional one side gold plated
Product Selection Guide:
.With and without dimple
.Force : 170 grammes
.Plating : nickel plating of 0.1 microns or optional one side gold plated
.With and without dimple
.Force: 150 & 180 grammes
.Plating : nickel plating of 0.1 microns or optional one side gold plated
.With and without dimple
.Force : 180 grammes
.Plating : nickel plating of 0.1 microns or optional one side gold plated
Metal dome membrane switch have metal domes placed within the circuit layer of the switch. ,when the switch is pressed on the face plate, the metal dome contact with bottom circuit.
12.2mm Four Legged Domes Membrane Switch
Specifications
.Diameter : 12.2mm
.With and without dimple
.Force : 220 / 280 / 340 grammes
.Plating : nickel plating of 0.1 microns or optional one side gold plated
4—foot metal dome
Round metal dome
There are stainless and golden plate dome available
Metal dome diameter
1.8.4mm
2.10mm
3.12.2mm
4.16mm
Product Selection Guide:
12.2mm Four Legged Domes (12.2-4-LEG Series)
|
8.4mm Four Legged Domes (8.4-4-LEG Series)
|
6mm Four Legged Domes (6-4-LEG Series)
.Diameter: 6mm .With and without dimple
.Force : 170 grammes
.Plating : nickel plating of 0.1 microns or optional one side gold plated
5mm Round Domes (5-R Series)
.Diameter : 5mm .With and without dimple
.Force: 150 & 180 grammes
.Plating : nickel plating of 0.1 microns or optional one side gold plated
4mm Round Domes (4-R Series) - available late 2001
.Diameter : 4mm .With and without dimple
.Force : 180 grammes
.Plating : nickel plating of 0.1 microns or optional one side gold plated
Metal dome membrane switch have metal domes placed within the circuit layer of the switch. ,when the switch is pressed on the face plate, the metal dome contact with bottom circuit.
Feature:
.Good touch feeling metal dome membrane switch
.Second surface screen printing.
.Scratch resistant
.With LCD or LED window
.Fog or glossy surface finish
.Waterproof and UV resistance
Electrical
·Operating Voltage: 0-35 V DC.
·Operating Current: 100 MA Max.
·Operating Contact Resistance: Less than 100 OHMS typical
·Contact Bounce: Less than 5 Milliseconds typical.
·Conductors: Printed silver conductive inks or carbon blend.Mechanical
·Life Expectancy: 1,000,000 actuations per switch position
·Actuation Force:170-700g, Range depending on customer specification.
·Switch Travel: .0.1mm-0.4mm typical.
·Overall Thickness: .0.6mm-1.52mm typical.
12.2mm Four Legged Domes Membrane Switch
