Delivery Time:7-15days
Certification:ISO

Embossed Flat Metal Dome PCB Single Membrane Switch For Function Keyboard

Quick Detail:

> Adhesive : 3M 467

> Circuit layer :   FR4 double – side PCB 

> Button : embossed   flat 

> Led color : green

Description:

> Metal dome size : Φ 8 mm metal dome

> Window : no

> Led window : no color coated translucent

> PCB gold washed :  not

Applications: 

1.     A. For measuring device, such as analytic instrument, nautical intrument , medical equipment and so on 

 B. For mechanical and electrical products such as CNC machine electric weighing  ,robot ,printing machine, function keyboard, monitor, printer, graphic plolter and so on .

 C. For domestic appliance , remote control ,electronic lock , washing machine , microwave oven ,electric cooker ,sound installation and so on

D. For OS office system , such as telephone set ,fax machine, copy cat ,counter and so on 

3. Note:

Metal dome’s feet can’t be folded 90 degree toward its top when use , it will reduce the life span of metal dome

Specifications

1. Electrical
Maximum Circuit Rating: 35V(DC),100mA,1W	35V DC,100mA,1W
Contact Resistance: 10Ω~ 500Ω (Varies from the trace length and material)	10Ω~500Ω
Insulation Resistance: 100MΩ 100V	100MΩ at 100V DC
Dielectric: 250 Vrms (50~60Hz 1min)	250V Rms(50-60Hz 1min)
Contact Bounce: < 5ms	5ms or less
Life:   Flat: ≥ 5million times
Tactile: ≥ 1 million times             Duraswitch: ≥ 10million times	Flat type 60g~300g(2~10OZ)
Tactile type 150g~400g(6~14OZ)
2. Mechanical	Flat type 0.1~0.5mm
Tactile type 0.6~1.5mm
Actuation Force: Flat: 57~284g(2~10oz)                                Tactile: 170~397g(6~14oz)	Flat type Five million closures or more Tactile type one million closures or more
Switch Height:  Flat: 0.1~0.5mm
Tactile: 0.6~1.5mm	-40°c~+80°c

Why to choose Shenzhen boerzhuo membrane switches?

1.     No need to worry about the qualities (We take response if our reason lead failure ).
2. Any products in our factory are did life span test ,circuit test ,every step is in good quality control ,we insist on ,quality is depend on the making step not the QC workers ..
3. We are specialized ,can help to design and make good suggestion .

4. Except membrane switch and touch screen, we can also do different types of assembly, such as membrane switch and touch screen with FPC, PCB ,silicone rubber ,metal backer ,plastic bezel and so on.       

 5. We can accept small quantity order and offer competitive price.

6. Strict quality inspection ,100 %  function testing ,and we can also do specified testing ,such as humility testing ,life expectancy testing ,actuation force testing.

A: What’s the lead time for sample and mass order  ?

B: 7 Days is okay after drawing confirmed for sample ,mass order usually 15-20 days ,depend on the products..

A: How long is your quality guarantee period

B: in usually,3 months.

A:Great, TKS. Do it.