240gm Trip Force 3 Contact Domes Rubber Membrane Keypad With ROHS Compliant

Product Specification

240gm Trip Force 3 Contact Domes Rubber Membrane Keypad With ROHS Compliant

Key Features

1. Applications:

   • Widely used in consumer electronics, appliances, medical devices, and automotive controls.
   • Ideal for environments where moisture or dust may be a concern due to their sealed design.

2. Advantages:

   • Cost-effective for mass production.
   • Resistant to environmental factors, making them durable.
   • Lightweight and can be designed to be compact.

3. Limitations:

   • Limited lifespan compared to mechanical keypads, as repeated use can wear out the rubber.
   • May not provide as satisfying a tactile response for some users.

4. Construction:

   • Made from flexible, durable rubber or silicone materials.
   • Often includes printed symbols or letters on the surface.

5. Design:

   • Comprises a series of buttons or keys that can be pressed to generate input.
   • Typically features a thin layer of rubber over a circuit board.

6. Functionality:

   • When a key is pressed, the rubber deforms and makes contact with the underlying circuit, completing the electrical connection.
   • Provides tactile feedback, although less pronounced than mechanical switches.

Considerations for Use

• Sensitivity: The sensitivity can vary, and some designs may require more force to register a key press.
• Customization: Can be easily customized for different designs and layouts.
• Maintenance: Generally low maintenance, but can accumulate dirt and grime, which may affect performance.

 
Common membrane keypad structure choose :
 
 

 
 
 
 
Other photo show :
 
 

Mechanical Properties :

1, reliability, service life: > 1 million times

2, closed displacement: 0.1 ~ 0.4mm (no touch-type) 0.4 ~ 1.0mm

3, health standard for power: 280g Power

4,Silvermigration: In 55 ℃, humidity 90%, 56 hours later, the second-line between the 10MΩ/50VDC

5, Silver online no oxidation, no impurities

6, Silver width

≥ 0.3mm, the smallest interval of 0.3mm, line edges <1 / 3,

the line gap of <1 / 4 width

7, pin spacing standard 1.00mm

8, lead anti-curvature, 10mm steel rod line pressure roller 80 constantly.

 
 
FAQ:
 
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
 
Q2. What is your terms of payment?
A: T/T 50% as deposit, and 50% before delivery. We'll show you the photos of the products and packages before you pay the balance.
 
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
 
Q4. How about your delivery time?
A: Generally, it will take 10 to 15 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
 
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
 
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.
 
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
 
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.