• side-key-FPC-1
  • side-key-FPC-2
  • side-key-FPC-3

Side Key FPC

Side key FPC is commonly used to control the side functions of products, such as adjusting the volume of mobile phones, tablets, scanning pens, and various wearable products, and turning on/off devices. Side key FPC is an important component for connecting keys to the motherboard to achieve functions.

  • Material: Polyimide (PI)
  • Copper Thickness: Common Options 12um or 18um.
  • Minimum Line Width/Spacing: Common Options 0.1-0.2mm
  • Via Hole Size:0.1-0.2mm
  • Button Type: Dome and Tactile Switch
  • Reinforcement Type: PI / Steel Sheet (0.1-0.5mm) / FR4 (0.2-2.0mm)
  • Appearance Color: Amber, Black

Detailed Description of Side Key FPC

Introduction

The Side Key Flexible Printed Circuit (FPC) is an ultra-thin, lightweight, and high-performance solution specifically designed for side button functionalities in modern electronic devices. Notably, its flexibility, durability, and adaptability make it an essential component for space-constrained designs, as it offers seamless integration and reliable signal transmission.


Product Features

  1. Ultra-Thin and Lightweight: With a thickness of less than 0.1mm, this FPC is ideal for ultra-slim designs in smartphones and wearables. Consequently, it reduces the overall device weight while maintaining durability.
  2. High Flexibility: Furthermore, it can withstand multiple bending cycles, ensuring long-lasting performance in devices that utilize dynamic button usage.
  3. Customizable Design: The FPC can be tailored to specific shapes and button layouts, thereby fitting a variety of device designs. Options are available for single-sided, double-sided, or multi-layer circuits, providing additional versatility.
  4. Stable Signal Transmission: Moreover, it maintains low signal loss and high electrical performance, even in compact designs.

Key Advantages

  1. Space Efficiency: This FPC helps minimize the footprint of side key circuits, optimizing the internal layout of devices.
  2. Enhanced Device Reliability: It provides consistent performance under frequent button presses and environmental stress.
  3. Cost-Effective Production: Additionally, the FPC is compatible with mass production processes, which significantly reduces manufacturing costs.
  4. Environmentally Friendly: Importantly, it complies with RoHS and REACH regulations, ensuring safe and sustainable use.

Applications

Due to its versatility, the Side Key FPC is widely adopted across various industries:

Smartphones: Power and volume button connections are seamlessly integrated.
Wearable Devices: It is utilized in compact smartwatches and fitness trackers for side button integration.
Tablets: The FPC supports side key controls for volume and screen-lock functions.
Automotive Electronics: It features touch-sensitive control buttons in dashboards.
Medical Devices: The FPC is used in button circuits for portable monitoring and diagnostic equipment.


Customization Options

  • Design Customization: The layouts can be tailored to fit specific side key designs, which allows for flexible shapes that adapt to irregular device interiors.
  • Layering: Options for single-layer, double-layer, or multi-layer designs cater to varying circuit complexity. Additionally, gold plating can be used for improved conductivity and durability, while HASL or OSP options provide cost-effective solutions.

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 minimum order quantity?

A: We do not have a minimum order quantity requirement, it depends entirely on the actual needs of the customer.

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.

    Share This Product, Choose Your Platform!