Air core Coil
Medium Flat Rounded Square Air Core Coil, Multi-Turn Self Bond Copper Winding, Uniform Magnetic Field, For Universal Mobile Wireless Charging & Standard 13.56MHz NFC Tags.
Product Overview
This medium flat rounded square coil is wound with multi-turn self-bond enameled copper wire without magnetic core. Standard square dimension matches mainstream mobile wireless charging housing, ultra-thin flat thickness saves internal space, evenly distributed winding delivers stable uniform magnetic field, ultra-fine leads support quick PCB welding.
Core Advantages
- Medium rounded square frame: Perfect compatible with most smartphone wireless charging receiver layout
- Dense multi-turn flat winding: Balanced inductance and transmission distance for stable charging performance
- Air-core design: Zero magnetic saturation and hysteresis loss, consistent output under variable distance
- High-conductivity copper wire: Low internal impedance, reduce heat loss and improve charging efficiency
- Fully customizable: Side length, inner hollow size, winding turns, wire thickness and lead length adjustable