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Inductor Types and Applications

Inductor Types and Applications Classification by Structure Air Core Inductor - No magnetic core - Good linearity - Application: High frequency Iron Core Induct…

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InductorCoilInductive reactanceComponents

Inductor Types and Applications

Classification by Structure

Air Core Inductor

  • No magnetic core
  • Good linearity
  • Application: High frequency
  • Iron Core Inductor

  • Large inductance
  • Application: Low frequency
  • Ferrite Inductor

  • Low high-frequency loss
  • Application: Switching power supplies
  • Variable Inductor

  • Adjustable inductance
  • Application: Tuning circuits
  • Main Parameters

    ParameterDescription
    InductanceAbility to store magnetic field energy
    DC resistanceCoil resistance
    Rated currentMaximum operating current
    Q valueQuality factor
    Self-resonant frequencyOperating frequency upper limit

    Inductive Reactance Calculation

    XL = 2πfL = ωL

    Inductor Energy Storage

    W = ½ × L × I²