3M9448 Custom Flat Membrane Switch Mechanical Keyboard - 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
Custom Flat Membrane Switch Mechanical Keyboard
What is a Membrane Switch?
A membrane switch is an electrical control for turning circuits on and off. These switches offer cost-effective solutions with low-profile designs that require less space than mechanical alternatives. Their sealed construction makes them easy to clean, ideal for medical and industrial applications.
Non-Tactile Keypad Features
- No tactile feedback - utilizes alternative status indication methods
- Available in large surface areas
- Most cost-effective membrane switch option
Manufacturing Advantages
- 26 years of membrane switch specialization
- Strong R&D capabilities
- Consistent quality control
- Competitive pricing
- Rapid sample and production lead times
- Complete solution design services
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 Button Pads | Silver | Gold plated |
| Life & Reliability | Normal | Good |
| Resistance | Low | Very low |
| Cost | Low | High |
| Lead Time | 2-3 days | 7-10 days |
| Pitch | 1.0mm, 1.27mm, 2.54mm | 0.5mm, 1.0mm, 1.27mm, 2.54mm |
Technical Specifications
| Electrical Properties | Specifications |
|---|---|
| Electrical Level | 35V(DC), 100mA, 1W |
| Contact Resistance | 10Ω~500Ω |
| Insulation Resistance | 100MΩ/100V |
| Dielectric 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 | Specifications |
| 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 Conditions | Specifications |
| Operation Temperature | -40°C ~ +80°C |
| Storage Temperature | -40°C ~ +80°C |
| Humidity | 40°C, 90%~95%, 240 hours |
Application Areas
- Home appliances and devices
- Security protection systems with cipher code
- Industrial control keypad panels
- Consumer electronics and 3C items
- Medical therapy systems and devices
- Automated machine control keypads
- Telecommunication equipment
- Remote controllers
- Control systems
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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