Air core Coil
Flat Concentric Round Air Core Coil, Multi-Layer Self Bond Copper Winding, Stable High-Frequency Signal, For Standard Mobile Wireless Charging & General NFC Induction Equipment.
Product Overview
This flat concentric circular coil adopts multi-layer self-bond enameled copper winding, air-core self-support forming without magnetic core. Flat thin structure fits the back shell of mainstream mobile devices, central reserved hole facilitates positioning assembly, ultra-fine lead wires support convenient PCB soldering.
Core Advantages
- Concentric flat circular structure: Uniform magnetic field distribution, stable wireless charging and NFC signal transmission
- Hollow central positioning hole: Compatible with fixed bracket and shaft assembly structures
- Air-core design: No magnetic saturation and hysteresis loss, stable inductance under long alternating current operation
- High-purity enameled copper wire: Low AC impedance, low heat generation and high energy conversion efficiency
- Fully customizable: Outer diameter, inner hole size, winding turns, wire gauge and lead stripping length adjustable