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Dongguan LuPhi Electronics Technology Co., Ltd.
Membrane Switches, Membrane Keypads, Overlays, Rubber Keypads, Integrated Assemblies Manufacturer | LUPHITOUCH
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PC Back Panel Membrane Switch | T19370-13

PC Back Panel Membrane Switch | T19370-13

Place of Origin : CHINA
Brand Name : LUPHI
Certification : ISO9001
Model Number : T19370-13
Back Adhesive : 3M 468MP
Overlay : no
Printing : silver, carbon printing
Embossing : no
MOQ : 200 pcs
Price : USD1.80
Packaging Details : 10 pcs in a PP bag, then into carton box
Delivery Time : 12-15 working days
Payment Terms : T/T In advance
Supply Ability : 500000 pcs/month
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Product: PC Back Panel Membrane Switch


P/N: T19370-13


Specification:

1) Size: 37.59 x 72.52mm;

2) Upper Circuit: PET 0.188mm;

3) Bottom Circuit: PET0.188mm;

4) Back Support Panel: PC 1.0mm;

5) Back Adhesive: 3M468;

6) Keys: 1 flat key without metal dome;

7) Connector: A2550H-5P-A (CJT male connector);


Brand: LUPHI


MOQ: 200 pcs;


Lead Time: 12-15 working days;


Shipping Method: By FedEx, UPS, DHL express;


Production Capacity: 50000pcs/month;


LUPHI can provide the OEM and ODM service to our customers.


A membrane switch is an electrical switch for turning a circuit on and off. It differs from a mechanical switch. Membrane switch is very thin and soft. The touch surface material usually is PET or PC. The circuit can be PET, FPC or even PCB. Membrane switches are user-equipment interface utilities that allow for the communication of commands from users to electronic devices.


> Construction:

A membrane switch typically has 6 or more or less layers. The top layer of a membrane switch is the graphic overlay interface between the user and the machine. The other critical layer is a the circuit layer. It can also be PET, FPC or PCB. All the layers are normally assembled using pressure-sensitive adhesives. Contact between two traces can be made through a printed shorting pad or through a metal dome that stands on legs.


> What kind of membrane switches we can produce?

Super big size membrane switches, membrane keypads, graphic overlays, membrane circuits, LED backlighting membrane switches, LGF backlighting membrane switches, EL backlighting membrane switches, capacitive membrane switches, rubber keypad membrane switches, FPC circuit membrane switches, PCB circuit membrane switches, metal back panel membrane switches, Acrylic/PC back panel membrane switches,, waterproof membrane switch, anti-UV membrane switch, anti-scratch membrane switch, digital printing membrane switch etc.


> Application

Classic applications of membrane switches include consumer electronics like the microwave oven panel, air conditioner control panel, TV remote control etc., machinery, test instrument, meters, medical industry, energy industry, Auto industry, aviation industry, healthcare industry etc. Tactile feedback of keys can be provided by embossing the top PET/PC layer or embedding metal snap domes, polyester domes or forming the graphic layer.

The benefits of membrane switches include flexible, easy of cleaning, sealing ability and low profile.


> Our Services and Advantages:

1) Artwork design and making;
2) Has our own finally assembly factory which can assemble the complicated keypads with plastic, metal, PCB, FPC etc.
3) Design improvement suggestion against the customer’s original design;
4) Experienced workers and engineers;
5) ISO certified factory;
6) Imported material, like the Autotype PET, 3M adhesive, Nicomatic connector etc.


> Membrane Keypad Structure
1) 4 layers structure: Graphic overlay + Spacer + Circuit(can be PET circuit or FPC circuit) + Back Adhesive
2) 6 layers structure: Graphic overlay + Spacer: Dome Retainer + Spacer + Circuit(can be PET circuit or FPC circuit) + Back Adhesive;
3) Other Structure
3.1) Overlay + Rubber Adhesive + Rubber Keypad + Rubber Adhesive + Retainer + Spacer + Circuit + Back Adhesive;
3.2) Overlay + Spacer + Retainer + PCB Circuit;

And also there are many other kinds of structures for the interface keypads structure. It based on customer’s real needs and we can design the suitable and economical structure for our customer’s final application.


Technical Parameters:

Item

Description

Technical capabilities

1

Max. Size:

1200mm x 1000mm

2

Overlay Material:

PET: Autotype (Autotex F150,F200,F280, V150,V200,V280,

Autoflex EBG130, EBG180, EBG250,EBA130, EBA180, EBA250)

Autotex : XEV150, XEF200;

Autostat CT3,CT4,CT5,CT7

DuPont etc.

PC: GE LEXAN--8010 8B35 8B35F HP92S HP40 FR700 FR60

3

Spacer:

3M Adhesive, NITTO, TESA, SONY,SEKISUI, Domestic Adhesive

4

Back Adhesive:

3M(Mainly), Others(Little)

5

Silver Paste:

CHANGSUNG: CSP-3163, CSP-3352,CSP-5150;

ACHESON:ED 725A(6S-61),ED 427SS,ED 479SS,ED 976SS HV;

FUJIKURA and OTTI

6

Oil Ink:

SEIKO, JUJO, DUBUIT, PROELL,NORCOTE UV

7

Carbon Paste:

FUJIKURA, ACHESON ED 581SS, OTTI

8

6 Layers Metal dome Type Membrane Switch Structure

Overlay + Spacer + Dome Retainer + Spacer + Circuit Layer+ Back adhesive

9

4 Layers Polydome Type Membrane Switch Structure

Overlay + Spacer + Circuit + Back adhesive

10

Contact Resistance

0.5-10Ω

11

Insulation Resistance

≥10MΩ (100VDC)

12

Base Material Voltage Durable

2000V DC

13

Bounce Time

≤5ms

14

Working Current

≤100mA

15

Working Voltage

≤50VDC

16

Life

≥1,000,000 times

17

Key Travel

Flat type: 0.05mm-0.5mm, Tactile Type: 0.1-1.5mm

18

Working Temperature

-40℃-+80℃

19

Actuation Force

20-550g

20

Storage Condition

Temperature: -40℃~+85℃ ,Humidity: ≤98% RH

21

PET Circuit Tail Flexible Feature

180°to any angle




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