high quality custom membrane keyboard

FOB Price 0.36 - 3.88 USD / pcs

MOQ	10 pcs
Port	Shenzhen
Packaging	403525cm
Lead Time	100000pcs/month

Quick Details (View All)

Product name	custom membrane keyboard	MOQ	10
Color	PMS RAL	Material	PET PC
Printing:	Screen Printing	Size	Customized Size
Rear adhesive	3m467/468/9080A/9448A	Certification	ISO9001:2008

Product Details

What is Membrane Switch keypads?

A membrane switch is a printed electronic circuit that uses
pressure to open and close a circuit. The membrane switch
circuitry is

most often screen printed using conductive inks, which are
typically made of silver, carbon, and/or graphite.

Membrane switches are part of a range of devices considered to be
user interfaces (also called operator interfaces, or man-machine
interfaces) along with display-based touch screens, and
mechanical switches such as push-button, toggle, rocker, and
slide switches. The ultimate purpose of a membrane switch is to
serve as the interface between man and machine, enabling an
operator to communicate with a piece of equipment, instrument, or
machinery.

Production Process

1.Graphic Overlay –
PET/PC is usually the material of choice due to its fantastic
chemical resistance and flex property . ZDX can do digital
printing, screen-printing finish your design requirements.
2.Overlay Adhesive – This adhesive layer stick the graphic
overlay to the top circuit layer, and is usually an acrylic
adhesive. The material is same with the fourth layer. Only the
thickness maybe different according to the actual situation.
3.Top Circuit Layer – The material of this layer is specific.
Is is a 0.1mm thickness thermostable PET film printed with
conductive silver ink and also dielectric oil, which used for
fastening metal domes. 4.Circuit Spacer – This layer separates
the top circuit from the bottom circuit so that switch remains
normally break until the keypad is pressed. The circuit spacer
is a polyester spacer with adhesive on both sides. 5.Lower
Circuit Layer – This layer is a 0.1mm--0.25mm thickness
thermostable PET film printed with conductive silver ink and
also dielectric oil. . 6.Rear Adhesive – This adhesive layer
bonds the entire membrane switch to the product surface,
housing

Technical Datas

Electrical Properties:

Rated Voltage

≤50V
DC

Rated Current

≤ 
100mA

Operating Power

≤1W

Insulation Resistance

≥100MΩ

(250V DC)

Loop Resistance

10Ω~2kΩ (based on the design)

Contact Resistance

1 
~ 

200Ω

Wire Lead Resistance

<1Ω/cm

Base Material Voltage Withstand

3000V
DC

Mechanical Properties:

Life Expectancy

Flat type ≥ 
5 million times, Tactile type ≥ 
1 million times

Operation Force

Flat Type 

80-350g
,Tactile Type 180-450g

Dome Rebound Time

≤6ms

Tail Bending Performance

≤180°

Switch Stroke

Flat 0.2~0.5mm,Tactile
0.6~1.5mm

Vibration

20G's max.

Total 
Thickness

0.55~2.5
mm

Environmental Properties:

Operation Temperature

-40°C to +80°C (-40°to 176°F)

Storage Temperature

-40°C to +85°C (-40°to 185°F)

Atmospheric Pressure

86 ~ 106 kPa

Humidity

+40°C, 90%~95%RH for 240 Hours

Shenzhen JCF Technology CO.,Ltd.

DongHuan Road Zehua Building Longhua District shenzhen china (Email:[email protected])

China

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