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HS Electronics Co.,Ltd.
HS Electronics Co.,Ltd. Our main products are Membrane Switch,Graphic Overlay,PCBA,FPC,Silicone Rubber Keypads,Metal Nameplate and so on
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Flat surface digital buttons poly-dome design membrane keyboards

Flat surface digital buttons poly-dome design membrane keyboards

Brand Name : Customized
Model Number : HS007
Certification : Rohs,reach
Place of Origin : China
MOQ : 100
Price : US$0.8~1.5/pc
Payment Terms : T/T, Western Union,Paypal
Supply Ability : 1,000,000pcs/month
Delivery Time : 7-14 working days
Packaging Details : pp bag for inner package
Tooling : 7-10 working days
Artwork drawing : Will be submite to customer for approval within 3 working days before the sample production
Delivery : DHL,FEDEX,UPS OR BY AIR
Port : Shenzhen or HK
Contact : lannyyang@hselectronicshk.com
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Contact:lanyyang@hselectronicshk.com

The structure for common two layers of membrane switch as below:

--Graphic Overlay(t=0.125~0.2mm clear/matte PET,printing pantone colors,flat/embossing keys,flat/embossing LED windows,clear LCD window)
--Overlay adhesive:(0.125mm double side adhesive)
--Upper Circuit:(0.125mm clear PET,printing silver or carbon dots)
--Spacer:(0.175~0.275mm double side adhesive)
--Bottom Circuit:(0.125mm clear PET,printing silver,carbon,UV ink,can assemble LED,SMT resistor and connector upon the circuit)
--Connector:2~25pins female connectors with housing
--Back adhesive:3M467MP/3M9495LE double side adhesive

Membrane Switch Parameter:

CertificationISO9001, ISO14001 & RoHS.
Components:LED, metal dome, connector,all these can be designed and made according to customer requirements.
Electronic characteristics
Circuit rating35V(DC),100mA,1 W
Contact resistance10Ω - 500Ω(According the trace length and materials to confirm)
Insulation resistance>100MΩ 250V(DC)
Contact bounce≤5ms
Dielectric withstand250VRms(50 - 60Hz/1 min)
Life expectancyFlat type≥5million times, tactile type:≥1 million times
Mechanical Properties
Operating pressureFlat type 57-284G (2-10 Oz),tactile type 170-397g (6-14 Oz)
Switch strokeFlat 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
Humidity40°C,90%-95%,240 hours

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