Classification of Inductors

1. Classification by Inductance Variability:

Fixed Inductor, Variable Inductor


2. Classification by Core Material:

Air-core Inductor, Ferrite Inductor, Iron-core Inductor, Copper-core Inductor


3. Classification by Function / Application:

Antenna Coil (Inductor), Oscillator Coil (Inductor), Deflection Coil (Inductor)


4. Classification by Winding Structure:

Single-layer Inductor, Multi-layer Inductor, Honeycomb Inductor (or Basket-wound Inductor)


5. Classification by Operating Frequency:

High-frequency Inductor, Low-frequency Inductor


6. Classification by Structural Features:

Magnetic Core Inductor, Variable Inductor, Color Ring Inductor (Choke), Air-core Inductor


7. Classification by PCB Mounting Type:

SMD Inductor (Surface Mount), DIP Inductor (Through-hole/Plugin)


8. Classification by Magnetic Material:
Alloy Inductor, Powder Core Inductor, Ferrite Inductor