3 Contact Domes LED Membrane Switch High Performance With ROHS Certification
Price:
0.2-2 USD
MOQ:
200 pcs
Delivery Time:
4-5 days for Samples making ;10-15 days for Batch goods
Brand:
Taida
Product Description
3 Contact Domes LED Membrane Switch High Performance With ROHS Certification
Product Specifications
| Attribute | Value |
|---|---|
| Material | Polyester or Polycarbonate or others |
| Color | Pantone, RAL CMYK |
| Pitch of Connect | 1.0MM |
| Adhesive | 3M468 adhesive or others |
| Button type | Tactile dome |
| Connector type | Mating connector |
| PN | Membrane switch, Membrane keypad, keyboard, overlay |
| Circuit options | Silver flex circuit |
| Dome trip force | 400Gm |
| Surface finish | Velvet texture |
Customizable 240gm Trip Force 3 Contact Domes Membranes With ROHS Compliant
In a membrane switch, the contact domes are crucial components that enable switching functionality. These small, dome-shaped conductive elements are positioned between the two conductive layers of the membrane switch.
How Contact Domes Work
- Key Press: When pressed, the key cap applies pressure to the contact dome, causing it to collapse and bring the conductive layers into contact.
- Circuit Completion: The collapsed dome acts as a temporary electrical bridge, completing the circuit to register the key press.
- Key Release: When released, the dome's spring-like property returns it to shape, breaking the connection and registering key release.
Typically made of conductive metal (stainless steel or polyester), contact domes provide tactile feedback. Their design significantly impacts switch performance:
- Dome height and shape: Affects tactile feedback and actuation force
- Dome material: Impacts durability, flexibility, and conductivity
- Dome spacing: Determines key travel distance and responsiveness
Common Membrane Keypad Structure
Additional Product Images
Mechanical Properties
- Reliability, service life: > 1 million cycles
- Closed displacement: 0.1-0.4mm (no touch-type) 0.4-1.0mm
- Health standard for power: 280g Power
- Silver migration: In 55℃, 90% humidity, 56 hours later, resistance between lines ≥10MΩ/50VDC
- Silver lines show no oxidation or impurities
- Silver width ≥0.3mm, minimum interval 0.3mm, line edges
- Standard pin spacing: 1.00mm
- Lead anti-curvature: withstands 10mm steel rod line pressure roller 80 constantly
Frequently Asked Questions
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.
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ShenZhen Taida Membrane Switch CO.,LTD
Location
Unit 502, B6, No. 310, Songbai Road, Liaobu Town, Dongguan, China
Contact Person
LiJing