Customized FR4 Single Sided PCB Membrane Keyboard Switch With Metal Dome

Customized FR4 Single Sided PCB Membrane Keyboard Switch With Metal Dome

Quick Detail:

> Graphic overlay : texture

>  Second layer : adhesive DT 6100 

> Adhesive : 3M 467

> Circuit layer : FR4 single – side PCB   FR4 double – side PCB 

> Button : embossed   flat poly dome metal dome

> Led color : green,red ,yellow and white single color 

> Pitch : 1.0 mm 

> Push force : 280 g 

> Main electronic compents : LED , metal dome connector

> Operating condition : 40°c,90%~95%,for 240 hours

> Life span : 5000000 times 

Description:

> Surface :Matte glossy

> Overlay button: embossed 0.35 mm

> Metal dome size : Φ 8 mm metal dome

> Window : no

> Led window : no color coated translucent

> PCB gold washed : yes not

> Tolerance:0.05 mm

> Water proof class : IP 67

> Connector : with

> Matching color: Pantone and RAL color matching system. 

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

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