Side Key FPC: Flexible Circuits for Modern Electronics
The side key FPC connects buttons to the motherboard. It helps ensure smooth operation in small and dense designs.
- Material: Polyimide (PI), known for its durability and flexibility.
- Copper Thickness: Common options include 12µm or 18µm for optimal Current transfer.
- Minimum Line Width/Spacing: Typically 0.1–0.2mm, suitable for flexible circuit boards.
- Via Hole Size: 0.1–0.2mm, with plated through holes for reliable connections.
- Button Type: Dome and tactile switches for responsive feedback.
- Reinforcement Type: PI, steel sheet (0.1–0.5mm), or FR4 (0.2–2.0mm) for added rigidity.
- Appearance Color: Amber or black, blending seamlessly with electronic components.
Detailed Description of Side Key FPC
Introduction
The Side Key Flexible Printed Circuit (FPC) is a light and thin solution. Designers create it for side button functions in modern electronics. Its flexibility, durability, and durability make it Crucial for space-constrained designs, offering reliable signal transmission and seamless integration.
This FPC is better than traditional wiring or rigid circuit boards. It performs well in places that require bending and small layouts.
Product Features
- Ultra-Thin and Lightweight: This flexible PCB is less than 0.1mm thick. It is perfect for slim devices like smartphones and wearables. It reduces weight while still being strong.
- High Flexibility: Engineered to withstand thousands of bending cycles, making it perfect for devices with dynamic button interfaces.
- Tailoring Design: Made to fit different shapes and layouts. It supports single-sided, double-sided, or multi-layer circuits for flexible design choices.
- Stable Signal Transmission: Ensures low signal loss and high electrical performance, even in high-density configurations.
Key Advantages
- Space Efficiency: It improves internal layouts by reducing the size of side key circuits. This creates more space for other electronic parts.
- Enhanced Reliability: Delivers consistent performance under frequent use and environmental stress, outperforming traditional wire solutions.
- Cost-Effective Production: Compatible with mass production, reducing manufacturing costs while maintaining quality.
- Environmentally Friendly: Complies with RoHS and REACH regulations, ensuring safe and sustainable use.
Applications
Industries widely use the Side Key FPC because of its reliability and Flexibility.
- Smartphones: Integrates power and volume buttons with precision.
- Wearable Devices: Enables side button functionality in compact smartwatches and fitness trackers.
- Tablets: Support volume and screen-lock controls.
- Automotive Electronics: Features touch-sensitive buttons in dashboards.
- Medical Devices: Used in portable monitoring and diagnostic equipment for dependable button circuits.
Tailoring Options
- Design Flexibility: You can adapt layouts to fit irregular device interiors, offering flexible shapes and configurations.
- Layering: Choose from single-layer, double-layer, or multi-layer designs to meet circuit complexity requirements.
- Surface Finishes: Gold plating for superior Current transfer and durability, or HASL/OSP for cost-effective solutions.
- FPC Assy Side Key: Complete assemblies with integrated buttons for plug-and-play functionality.
The Side Key FPC shows the future of flexible circuits. It combines high performance with new design options for modern electronics.
Side Key FPC Specification
| Layers | Double | Type | Flexible |
| Base Material | Electrolytic Copper | Customization | YES |
| Copper Thickness | 12um/18um | Finished Thickness | 0.1mm |
| Insulation Material | PI | Reinforcement Material | PI / Steel Sheet/ FR4 |
| Coverlay | Amber, Black | Surface Treatment | ENIG |
| Sample Price | $60 | Mold Fee | $200 |
| Sample Quantity | 30PCS | Test Fixture Fee | $150 |
| Sample Time | 5-6 Days | Batch Lead Time | 8-10Days |
| Sample Testing | Flying Probe | Batch Testing | Electrical Test |
| Sample Shaping | Laser | Batch Shaping | Die Punching |
Q: What is the side key？
A: Side keys are for mobile phones, tablets, and MP3 or MP4 players. The buttons on the side of devices like smartwatches help control volume, take photos, or turn on the device.
Q: What is the side key FPC？
A: You can do this by pressing the button on the side key FPC. Then, connect it to the motherboard to change the volume and other functions.
Q: What is the minimum order quantity?
A: We do not have a minimum order amount. It depends on what the customer needs.
Q: Can I customize the design?
A: Yes, we offer full customization, including material, layout, and dimensions.
Q: How long does production take?
A: Standard production takes 10–15 working days. Expedited orders can be completed in 7 days.
Q: Do the products meet international standards?
A: Yes, all our products comply with RoHS, REACH, and ISO9001 certifications.
Q: Can I get a sample?
A: Yes, sample orders are available, with a lead time of 5 working days.
Q: Do you offer international shipping?
A: Yes, we use DHL, FedEx, UPS, and other shipping methods worldwide.
Q: How is the price determined?
A: Pricing is based on order quantity, specifications, and complexity. Bulk discounts are available.
