keyboard membrane switch

Product Description

keyboard  membrane switch

Membrane switches are widely used on industrial and home electronic equipments.

Material: Matte PET, spacer, ZIF connector, metal dome, 3M467 back ahesive

Tactile membrane switch embossed leds and metal domes advantages: 
1.Beautiful appearance, rich and bright in color,design can be arbitrary, the products can fully reflect the individual style of the product itself and designer.  
2. Panel can wash, good protection of durable color, characters, logos and other panel contents without injury.  
3. Small size, light weight, thin thickness, good tactility,abrasion resistant,installation and connection convenience.  
4. Tightness is good, moisture-proof, dust-proof, waterproof, anti-oil, anti-corrosion and erosion of harmful gases proof, acid and alkali proof, quakeproof.  
5. Low cost, high
lifespan, membrane switchs design and manufacture are using the keyboard as a whole way, whether on the material or mold charges, the costs are lowest,the life expectancy of  different types of membrane switch is more than 100 million times.  
6. Easy to operate, intuitive, safe and reliable,In-house 100% functionally tested,components are guaranteed without any intermittent problem.
 7.Customized specification is available and keys can make different shapes.

Tactile membrane switch embossed leds and metal domes 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