Industrial Backlight Membrane Switch with LGF Technology - 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
LGF Backlight Membrane Switch Technology
Industrial-grade membrane switches featuring Light Guide Film (LGF) technology for uniform backlighting across control panels. These glossy PET surface switches provide reliable performance for various industrial and home device applications.
LGF Technology Overview
Light Guide Film technology directs light from side-firing or right-angle LEDs across designated areas, ensuring consistent illumination regardless of shape or size. Multiple LG films can be integrated for discrete backlighting of different graphic features.
Key Advantages
- Available in virtually any shape and size configuration
- Ideal for compact and thin device designs
- Minimal impact on button tactility and switch performance
- Uniform lighting across single or multiple switch areas
- Low power consumption operating at reduced voltage levels
- Standard color options: White, Blue, Red, Green
Technical Specifications
Circuit Options 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 |
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 Specifications
| Operation Temperature | -40°C ~ +80°C |
| Storage Temperature | -40°C ~ +80°C |
| Humidity | 40°C, 90%~95%, 240 hours |
Manufacturing Capabilities
- 26 years of membrane switch manufacturing expertise
- Strong R&D capabilities for custom solutions
- Consistent quality control and stable production
- Competitive pricing with short lead times
- Complete solution design services available
- NDA protection for customer designs
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
- Various automatic machine control keypads
Frequently Asked Questions
Are you a factory or trade company?
Lunfeng is a membrane switch and graphic overlay manufacturer with 26 years of specialization in this field.
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.
Can you copy membrane switch/graphic overlay samples without files?
Yes, we can clone membrane switches and graphic overlays according to your provided samples.
What payment methods do you accept?
We accept TT and Western Union payments.
What are your shipping options?
We work with our own forwarders for DHL, UPS, FEDEX, TNT, and EMS shipping. We can also cooperate with your preferred forwarders.
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.
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