Dongguan Ruijin Precision Hardware&Electronic Co,.Ltd.

China Manufacturer with main products: Metal Dome, Snap Dome, Metal Dome Array, Tactile Dome, Dome Switch, Dome Keypad, Mobile Components, Membrane Keypad

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Reliable metal dome array/dome arrays

FOB Price: 0.09 - 0.12 USD/Piece
Supply Ability: 800,000 Piece/Pieces per Week
Shipping: within 7 days after the order confirmed.
Payment Terms: L/C, T/T, by cush
In Stock
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Guangdong in China
Packaging Details: box/pe/as request.


Reliable metal dome array/dome arrays:
1.Simple structure,good click feeling
4.Life cycles:>1million
6.Plating: no plating

This type is somehow similar to single layer type by means of metal dome contacts attached under Maylar. But the difference is that, in this type, the Spacer is attached under the metal dome contacts. Air paths which function like air holes in single-layer, helps provide good click-feeling when dome contacts are pressed. Besides this effect, air paths help reduce the chance for PET film being damaged by metal dome contacts' burr and block dust coming into PET films.
We not only pack metal dome in normal bulk, but also can put each dome on a array and with Adhesive tape on its top, so that you can just peel off each piece and put it on key location of Keyboard/FPC/PCB.
 We can supply different sizes and variations of metal domes, and has extensive experience in metal dome array applications to assist in optimizing designs for every requirement.   
PRODUCTS:Metal dome array \METAL DOME\ membrane metal dome
Technical Parameter:
Size: Diameter from 3 mm to 12 mm 
life cycles: >1million
Scope of Elasticity: From 180gf
Travel: 0.18mm±0.03mm
Resistance: <3 ohm
Storage Temperature\ Humidity: -55~+85°C \0~+80%    
Salt and Fog Examination: V35±2°C, 5±0.1%,48H.   
MYLAR initial force test: 4↑(Unit:No/Ball)
MYLAR retention test: 8↑(Unit:hr/kg*inch)
MYLAR adhesion test: 0.6↑(Unit:kgf/inch)
MYLAR shrinkage: MD(%):0.5 ↓ CD(%):0.3 ↓(Unit:100°C*40mins)
Certify: SGS,RoHS,VOA

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