Round Capacitive Membrane Keypad with PET Circuit and 3M467 Adhesive - 5 Million Cycle Life, -40°C to +80°C Operating Range
Price:
Negotiable
MOQ:
1 piece
Delivery Time:
7-25 working days, To be negotiated
Brand:
Lunfeng
Product Description
Product Overview
Round capacitive membrane keypad featuring PET circuit construction with 3M467 adhesive and tactile dome button technology. This advanced interface solution combines reliable performance with modern design aesthetics.
Economic Benefits
Our membrane switches offer significant cost advantages through integrated manufacturing:
- Single-step production process reduces manufacturing complexity
- Eliminates need for individual component punching and fixing
- No welding required for switch group connections
- No additional panel configuration or window cutting needed
- Enhanced product credibility and market competitiveness
Manufacturing Advantages
- 26 years of membrane switch specialization
- Strong R&D capabilities
- Consistent quality control
- Competitive pricing structure
- Rapid sample and production lead times
- Complete solution design services
Application Areas
- Home appliances and consumer devices
- Security protection systems with cipher code
- Industrial control keypad panels
- Consumer electronics and 3C items
- Medical therapy systems and devices
- Automated machine control interfaces
- Telecommunication equipment
Circuit Technology Comparison
| Items | 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; Tactile type ≥ 1,000,000 |
| 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 |
Frequently Asked Questions
Q1: Are you a factory or trade company?
Lunfeng is a membrane switch and graphic overlay manufacturer/factory with 26 years of specialization in membrane switch technology.
Q2: Is my switch file safe if I send it to you for manufacturing?
We respect customer design authority and never manufacture membrane switches or graphic overlays for others without permission. NDA agreements are acceptable.
Q3: Can you copy membrane switch/graphic overlay samples without file?
Yes, we can clone membrane switches and graphic overlays according to your samples.
Q4: What payment do you accept?
We accept TT and Western Union payments.
Q5: What's your shipping method?
We ship via DHL, UPS, FEDEX, TNT, EMS through our forwarders, or can cooperate with your preferred shipping partners.
Q6: How about the MOQ?
Minimum order quantity is 1 piece, with standard samples of 5 pieces for membrane switches and 10 pieces for membrane overlays.
Product Images
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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