Custom Flat Planar Coil Inductor | Hollow Air-Core | Oxygen-Free Copper | High-Frequency 7-Turn Leaded Inductor | RoHS Compliant

Product Description

Our Custom Flat Planar Coil Inductors are meticulously precision-engineered components specifically designed for high-frequency electronic circuits, RF modules, and advanced signal processing applications. Featuring a hollow air-core design and carefully wound with high-purity oxygen-free copper (OFC), these inductors deliver extremely low electrical resistance, minimal signal loss, and highly stable inductance across a broad frequency range. This ensures consistent circuit performance, enhanced signal integrity, and reduced electromagnetic interference (EMI) in even the most demanding high-speed or high-frequency applications.

With 7-turn winding and leaded through-hole construction, these inductors are ideal for PCB mounting, prototyping, and large-scale production, providing flexibility and ease of integration into various electronic designs. Their robust design and precise manufacturing guarantee uniform electrical performance, reducing variability and improving reliability in sensitive circuits.

Fully RoHS compliant, these inductors meet global environmental standards, making them suitable for a wide range of commercial, industrial, and consumer electronics applications. Their durable construction and high-quality insulation allow them to perform reliably under thermal stress, repeated cycles, and long-term operation, extending the life of electronic assemblies.

These inductors are particularly suited for high-speed circuits, RF communication modules, audio amplification systems, power supply regulation, precision sensors, and advanced communication equipment, providing reliable performance, long-term durability, and accurate electrical characteristics. Their customizable dimensions, turn count, and wire gauge allow engineers to tailor the inductors to specific design requirements, ensuring optimal performance in diverse applications.

Additionally, our flat planar coil inductors minimize electromagnetic interference, reduce parasitic capacitance, and provide compact, space-saving solutions for modern electronics. Whether used in consumer electronics, industrial automation, medical devices, or telecommunications, these inductors deliver consistent, high-performance results, supporting both prototype development and mass production with the same level of precision and quality.

By combining high-purity materials, precision engineering, and rigorous quality control, our custom flat planar coil inductors offer a versatile, reliable, and long-lasting solution for high-frequency electronic applications where performance, durability, and signal integrity are paramount.

Features

• Customizable Design – Tailor coil dimensions, wire gauge, turn count, and insulation type to meet specific circuit requirements.

• High-Purity Oxygen-Free Copper – Offers excellent conductivity, low resistance, and minimal signal loss.

• Hollow Air-Core Design – Reduces core saturation and ensures stable inductance at high frequencies.

• High-Frequency Performance – Optimized for RF, communication, and high-speed electronic applications.

• Leaded / Through-Hole Mounting – Compatible with standard PCB assembly and prototyping processes.

• RoHS Compliant – Environmentally friendly, lead-free, and safe for global markets.

• Long-Term Reliability – Each inductor undergoes precise winding, electrical testing, and insulation verification.

• Versatile Applications – Suitable for audio devices, RF modules, power electronics, sensors, and communication systems.

• OEM & ODM Support – Prototype, small-batch, and mass production supported.

Technical Parameters

Applications

• Audio Devices
  Our flat planar coil inductors are designed to ensure high signal integrity and minimal loss in audio circuits, delivering clear sound quality, low distortion, and stable performance. They are ideal for amplifiers, audio processors, speakers, and professional sound equipment, where precision and consistency are critical.

• RF Modules
  These inductors provide stable inductance and excellent frequency response for radio frequency communication modules. They help maintain signal clarity, low insertion loss, and minimal electromagnetic interference (EMI), making them suitable for wireless communication, RF transceivers, and IoT devices.

• High-Speed Circuits
  In high-speed electronic circuits, our inductors support rapid switching and precise signal handling, ensuring low parasitic capacitance, stable inductance, and minimal signal distortion. They are ideal for high-frequency PCBs, digital signal processing, and high-speed data transmission systems.

• Power Supplies
  Designed to enhance efficiency and reduce EMI, these inductors help maintain stable voltage, smooth current flow, and reliable power delivery. They are widely used in switching power supplies, DC-DC converters, battery management systems, and industrial power modules.

• Sensors and Control Modules
  Our inductors provide accurate and consistent inductance, critical for precision measurement, sensor signal conditioning, and control electronics. Applications include temperature sensors, pressure sensors, motion control systems, and industrial automation.

• Communication Equipment
  These inductors ensure reliable and repeatable performance in transmitters, receivers, and transceivers, maintaining signal fidelity and stable RF performance in telecommunications, networking devices, and wireless communication systems.

Customization

We offer full OEM and ODM customization services, allowing our flat planar coil inductors to be tailored to your exact requirements:

• Turn Count & Coil Dimensions – Customize the number of turns, coil diameter, and spacing to achieve the desired inductance and performance.

• Wire Gauge & Material – Choose high-purity oxygen-free copper (OFC) or other conductive materials for low resistance and optimal conductivity.

• Insulation & Coating – Options include polyimide, enamel, or custom insulating layers to suit different thermal and environmental conditions.

• Mounting Style – Leaded / through-hole or other configurations to fit your PCB design.

• Frequency & Electrical Characteristics – Tailored inductance, Q-factor, and impedance to match your circuit’s high-frequency or RF requirements.

• Prototyping & Mass Production – Support for small-batch prototypes, pilot runs, or high-volume manufacturing.

Our customization services ensure that each inductor delivers optimal performance, reliability, and long-term durability for your specific application, whether in consumer electronics, industrial automation, telecommunications, or precision instrumentation.

Support and Services

• Technical Consultation – Assistance with inductor design, electrical characteristics, and material selection.

• Quality Assurance – Each inductor is tested for inductance, resistance, insulation, and high-frequency performance.

• After-Sales Support – Installation guidance, troubleshooting, and replacement services.

• Flexible Production – Supports prototype, small-batch, and mass production requirements.

Packing and Shipping

• Standard Packing – Individually bagged and packed in cartons or on pallets.

• Custom Packaging – Customer logo or specific packaging upon request.

• Shipping Methods – Air freight, sea freight, or express delivery.

• Lead Time – 1–3 weeks for small orders; 4–8 weeks for bulk orders depending on specifications.

FAQ

1. What materials are used in these inductors?
They are made of high-purity oxygen-free copper (OFC) with optional insulation coatings such as polyimide or enamel.

2. Can these inductors be customized?
Yes, we provide OEM/ODM services, including custom coil dimensions, wire gauge, turns, and insulation type.

3. What frequency range are these inductors suitable for?
Designed for high-frequency and RF applications, including MHz-level circuits and high-speed electronics.

4. Are these inductors RoHS compliant?
Yes, all inductors are lead-free and RoHS certified, suitable for international markets.

5. Can you support prototype or small-batch production?
Yes, we support prototype, small-batch, and mass production, with production based on drawings or samples.

6. How do you ensure quality and reliability?
Each inductor undergoes dimensional inspection, electrical testing, and insulation verification to ensure consistent performance and long-term reliability.