10pcs 12.3mH Air-Core Induction Coil Solenoid – 1080 Turns

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.