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Membrane Switches With LED

分类: MEMBRANE SWITCHES 发布时间: 2016-11-02 10:51

As an operating system integrating key function, it indicats element and instrument panel and is a touch on normally open switch. It is composed of front panel, upper circuit, isolation layer and lower circuit.

MEMBRANE SWITCHES WITH LED

Are renowned for providing absolute reliability even in the most hostile of operating environments.

Features & Options:

Wide variety of Polyester and Polycarbonate finishes overlay panel
Materials suitable for extreme or harsh conditions
Chemical resistant materials
Anti-microbial materials
UV resistant materials
ATEX approved membrane keycaps
IP54, IP65, IP67 rated –3M, NECAL membrane switch spacer
Tactile or non-tactile response keys sound
Embossing; rim, pillow, braille, dome or combination design
LED’s can be integrated within the assembly
RFI/ESD/EMC shielding
Backlighting with half of LED lighting
Interchangeable legend and inserts
Integrated with flexible circuits or PCB technology
Can be mounted to Steel/Aluminium panels or ABS mouldings
UL Approved

Electrical Properties:

	Metal Dome Tactile	Non-Tactile	Polydome
Contact bounce time	<10ms	<3ms	<20ms
Typical closed switch loop resistance	≤ 100 Ω	≤ 100 Ω	≤ 100 Ω
Closed switch loop resistance	≤ 5 k Ω	≤ 5 kΩ	≤ 5k Ω
Insulation resistance
With crossover	≥ 0,1M Ω	≥ 0,1M Ω	≥ 0,1 MΩ
Without crossover	≥ 10 MΩ	≥ 10 MΩ	≥ 10 MΩ
Operating voltage	Min. 0.5V Max. 30V	Min. 0.5V Max. 30V	Min. 0.5V Max. 30V
Operating current	≤ 50mA	≤ 50mA	≤ 50mA
Operating power	Max. 1W	Max. 1W	Max. 1W

Environmental Properties:

	Metal Dome Tactile	Non-Tactile	Polydome Overlay
Storage temperature	-40◦C to 80◦C	-40◦C to 80◦C	-30◦C to 50◦C
Operating temperature	-20◦C to 70◦C	-20◦C to 70◦C	0◦C to 40◦C
Ingress protection		Can be sealed to IP67, subject to design
UV resistance		UV resistant materials can be specified