10-Pack 12.3mH Air-Core Induction Coil Solenoid

Get reliable, consistent performance with this set of 10 precision-wound air-core induction coils. With 1,080 turns of fine 0.2mm wire and a stable 12.3mH inductance rating, these solenoid coils are an excellent choice for electronics hobbyists, engineers, and makers building filters, oscillators, RF circuits, and more. Each coil is compact yet well-constructed, making them easy to integrate into a wide variety of DIY and professional electronic projects.

Key Specifications

Inductance: 12.3mH
Number of Turns: 1,080 laps
Inner Diameter: 12.1mm
Outer Diameter: ~20mm
Wire Diameter: 0.2mm
Coil Thickness: 10mm
Quantity: 10 pieces per pack
Type: Air-core, non-electrified passive component

Why Choose These Induction Coils?

Consistent Inductance: 12.3mH across all 10 units ensures predictable circuit behaviour.
Fine Wire Winding: 0.2mm wire diameter with 1,080 turns delivers stable electromagnetic performance.
Air-Core Design: No ferromagnetic core means minimal hysteresis loss — ideal for high-frequency applications.
Compact Form Factor: ~20mm outer diameter and 10mm thickness fit neatly into tight PCB layouts.
Value Pack: 10 coils in one order — perfect for prototyping, replacements, or bulk builds.

Common Applications

RF filters and tuning circuits
LC oscillator and resonator designs
Signal processing electronics
DIY audio crossover networks
Educational electronics experiments
Induction-based switching circuits

Made in Mainland China.

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For more information on electromagnetic induction and coil standards, refer to the NIST Electromagnetic Measurements resources.

Learn more: Inductor

Frequently Asked Questions

Q: What is the inductance value of each air-core coil in this pack?

A: Each of the 10 coils in this pack has a rated inductance of 12.3mH, wound with 1,080 turns of 0.2mm wire for consistent and reliable performance across all units.

Q: Are these air-core induction coils suitable for high-frequency RF circuits?

A: Yes. The air-core design eliminates ferromagnetic core losses, making these 12.3mH solenoid coils well-suited for RF filtering, oscillator circuits, and other high-frequency electronic applications.

Q: What are the physical dimensions of each coil?

A: Each coil has an inner diameter of 12.1mm, an outer diameter of approximately 20mm, and a thickness of 10mm — a compact size that integrates easily into most PCB and breadboard layouts.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

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