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22uH CDRH104 SMD Inductor MARKING CODE 220 10x10x4MM

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The 22µH CDRH104 SMD Inductor is a surface-mount power inductor designed for energy storage, filtering, and voltage regulation in modern electronic circuits. It belongs to the CDRH104 series, known for its compact size (10×10×4mm) and high efficiency in switching applications. The marking “220” follows the standard inductor coding system, where: 22 × 10⁰ = 22µH inductance value This type of...
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The 22µH CDRH104 SMD Inductor is a surface-mount power inductor designed for energy storage, filtering, and voltage regulation in modern electronic circuits. It belongs to the CDRH104 series, known for its compact size (10×10×4mm) and high efficiency in switching applications.

The marking “220” follows the standard inductor coding system, where:

  • 22 × 10⁰ = 22µH inductance value

This type of inductor is commonly used in DC-DC converters, SMPS, and embedded electronics due to its ability to handle relatively high current while maintaining stable inductance.

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Specifications

 Specifications:

Package Type: SMD (Surface Mount Device)
Dimensions: 10mm × 10mm × 4mm
Core Type: Ferrite core (magnetically shielded)
Construction: Wire-wound drum core
Mounting: PCB surface mount
Weight: Approx. 2–4g

Additional Resources

Inductor.PDF

FAQ

1. What is an inductor?

An inductor is a passive electronic component that stores energy in the form of a magnetic field when electric current flows through it. It is typically made of a coil of wire wound around a core.

2. What is the unit of inductance?

The unit of inductance is the Henry (H), named after Joseph Henry. In practical circuits, smaller units like millihenry (mH) and microhenry (µH) are commonly used.

3. What are the main applications of inductors?

Inductors are used in:

  • Power supplies (SMPS)
  • Filters (to reduce noise)
  • Transformers
  • Oscillators and tuning circuits
  • DC-DC converters

4. How does an inductor behave in AC and DC circuits?

In a DC circuit, an inductor initially resists changes in current but eventually behaves like a short circuit.
In an AC circuit, it continuously opposes changes in current, creating inductive reactance that depends on frequency.

5. What factors affect the value of an inductor?

The inductance value depends on:

  • Number of turns in the coil
  • Core material (air, ferrite, iron)
  • Coil shape and size
  • Spacing between turns

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