Inductor coil classification
Classified by inductance: fixed inductance, variable inductance.
Classified according to the nature of the magnetizer: air core coil, ferrite coil, iron core coil, copper core coil.
Classified according to the nature of the work: antenna coil, oscillating coil, choke coil, trap coil, deflection yoke.
According to the winding structure classification: single-layer coil, multi-layer coil, honeycomb coil, tight-wound coil, inter-wind coil, tire-wound coil, honeycomb coil, chaotic coil.