Existing stocks 4 Legged Metal Dome keypad For Membrane Switch Keypad Metal Dome Switch OEM manufacturing

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Working Principle : The snap dome is located at the conductive part on the PCB (most of which is above the gold finger on the PCB). When pressed, the central dimple of the dome is concave and contacts the circuit on the PCB , Thus, the circuit is formed, and the current passes through, and the whole product can work successfully . With the help of the conductivity of the metal metal, it plays a role of high-quality switch between the operator and the product. The stable click ratio & longer life-time are used to provide the operator with high-quality tactile feel

The Cross Metal dome , also called 4 LEG snap dome ,  can be divided into below 4 types 

1. Dimple in the middle : DF Series
2. No dimple: NF series
3. There is a hole in the middle, which is rarely used
4. Four legs with feet, available when higher travel is needed

4-Legged Metal Dome : when designer reserve sufficient space & request bigger stroke travel , C-series metal dome will be prior to select to use , it’s often used in the handheld device,medical device and large banking equipment .

 

Product Model	Specifications	Surface Treatment	Parameter				Force(gf)
			Diameter	Trip	Height	Service Life
Round	0/1/4/5 Dimple	Gold,silver nickel plating	3-10mm	0.14-0.19 ±0.05	0.21-0.25 ±0.03mm	>100k times	100gf-500gf
4-Legged	0/1/4/5 Dimple	Gold,silver nickel plating	4-20mm	0.23-0.28 ±0.05	1.40-1.70 ±0.03mm	>100k times	100gf-600gf
Oblong	0/1/4/5 Dimple	Gold,silver nickel plating	4x2.88mm ~5x4mm	0.15-0.23 ±0.05	0.21-0.29 ±0.03mm	>100k times	100gf-250gf
Triangular	Long foot /short foot / no foot	Gold,silver nickel plating	3.15-12mm	0.15-0.19 ±0.05	0.21-0.25 ±0.03mm	>100k times	200gf-600gf
Irregular	Special shape	Gold,silver nickel plating	According to the customer's needs, it can be customized
Note: all kinds of metal shrapnel can be customized according to the design specifications

 

Metal Dome is mainly used for various key products,such as mobile phones,headphones,MP3 / MP4,all kinds of keyboard,remote control,bank Product keys,medical equipment,industrial instruments and other fields, where there are keys to use products, can use metal dome

Shenzhen Guanghongda Technology Co, Ltd has rich experience in exhibition & participation.
Through the face-to-face communication in exhibition, to strengthen our powers as an integrated set of industry and trade company.

F A Q    

Q1: Are you Trading company or manufacturer ?

A: We are a Professional Trading & Manufacturer Integrated .

 

Q2 : Can you offer OEM Service ?

A: Surely Okay , we have Seasoned OEM service experience .

 

Q3: what is the Lead time of sample ?

A : It takes 2-7working days depends .

 

Q4: How fast can i get the Quotation ?

A: I am smart to understand what customers want , reply quickly , Sometimes you can receive my email within 10mins., even in 

deep evening such as 11P.m or 12P.m

 

Please do not hesitate to contact with us , if you have any inquires .