Capacitive Membrane Keypad Touch Switch with 5 Million Cycle Life, -40°C to +80°C Temperature Range
Price:
Negotiable
MOQ:
1 piece
Delivery Time:
7-25 working days, To be negotiated
Brand:
Lunfeng
Product Description
Capacitive Membrane Keypad Overview
This capacitive membrane touch switch serves as a controller panel overlay that activates when users make contact with the sensor. Utilizing advanced capacitive sensing technology, it performs traditional membrane switch functions with a simple, light touch.
Technology & Operation
Capacitive touch membrane switches employ conductive carbon printed circuitry to create an electrical field. When a human finger touches the key, the integrated circuit recognizes the capacitance increase and activates the key output.
Key Advantages
- Sleek, modern appearance
- Robust construction with exceptional durability
- Easy maintenance and cleaning
- Flexible customization options
- Light touch activation requiring minimal pressure
- Support for scroll and slider designs
- Multi-touch capability
- Curved interface design compatibility
- Multiple function and communication interface options
- Various backlighting configurations
Circuit Technology Comparison
| Specification | Silver Printed Circuit | Copper Etched FPC Circuit |
|---|---|---|
| Material | PET (Polyester) | Copper |
| Conductor | Printed silver | Copper |
| Contact Fingers | Silver and Carbon | Gold plated |
| Contact Buttons Pads | Silver | Gold plated |
| Life & Reliability | Normal | Good |
| Stability | Normal | Good |
| Resistance | Low | Very low |
| Cost | Low | High |
| Lead Time | 2-3 days | 7-10 days |
| Pitch | 0.5mm (not suggested), 1.0mm, 1.27mm, 2.54mm | 0.5mm, 1.0mm, 1.27mm, 2.54mm |
Technical Specifications
Electrical Properties
| Electrical Level | 35V(DC), 100mA, 1W |
| Contact Resistance | 10Ω~500Ω |
| Insulation Resistance | 100MΩ/100V |
| Dielectrics Voltage-resistance | 250VRms(50~60Hz 1min) |
| Chattering Time | ≤ 5ms |
| Life Time | Flat type ≥ 5,000,000 cycles; Tactile type ≥ 1,000,000 cycles |
| Tail Folding | R>1,180 |
Mechanical Properties
| Operating Force | Flat type 57~284g (2~10oz); Tactile type 170~397g(6~14oz) |
| Switch Stroke | Flat type 0.1~0.5mm; Tactile type 0.6~1.5mm |
Environmental and Storage Conditions
| Operation Temperature | -40°C ~ +80°C |
| Storage Temperature | -40°C ~ +80°C |
| Humidity | 40°C, 90%~95%, 240 hours |
Manufacturing Expertise
With 26 years of specialized experience in membrane switch manufacturing, we offer strong R&D capabilities, stable quality control, competitive pricing, and short lead times for both samples and mass production. Complete solution design services are available.
Applications
Home appliances and devices, security protection systems with cipher code, industrial control keypad panels, consumer electronics, medical therapy systems, automatic machine controls, telecommunication equipment, remote controllers, and various control systems.
Product Images
Frequently Asked Questions
Q1: Are you a factory or trade company?
We are a membrane switch and graphic overlay manufacturer with 26 years of specialized experience.
Q2: Is my switch file safe if I send it to you for manufacturing?
We respect customer design authority and will never manufacture membrane switches for others without permission. NDA agreements are acceptable.
Q3: Can you copy membrane switch/graphic overlay samples without files?
Yes, we can replicate membrane switches and graphic overlays based on your physical samples.
Q4: What payment methods do you accept?
We accept TT and Western Union payments.
Q5: What are your shipping methods?
We work with our own forwarders for DHL, UPS, FedEx, TNT, and EMS shipments, or can coordinate with your preferred shipping partners.
Q6: What is your minimum order quantity?
Minimum order is 1 piece, with standard samples of 5 pieces for membrane switches and 10 pieces for membrane overlays.
Q7: What are your main markets?
We serve Europe, USA, Brazil, Russia, Turkey, Iran, Australia, Singapore, and other global markets.
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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 Lunfeng Technology Co., Ltd
Location
6/F C3 Building, Hengfeng industrial Zone, Hezhou Village, Xixiang town, Bao'An District, Shenzhen, Guangdong, China
Contact Person
Wong