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33UH 127 SMD Inductor 12x12x7mm RH127 Marking -330

SKU: LISISW515D
The 33µH RH127 SMD Inductor is a robust surface-mount power inductor designed for efficient energy storage, filtering, and voltage regulation in electronic circuits. With a compact 12×12×7mm package and marking code “330”, it delivers reliable performance in power supply and switching applications. This inductor is widely used in DC-DC converters, SMPS, and embedded systems, where stable inductance and high current...
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Specifications

Specifications:

Package Type: SMD (Surface Mount Device)
Series: RH127
Dimensions: 12mm × 12mm × 7mm
Core Type: Ferrite (magnetically shielded)
Construction: Wire-wound drum core
Mounting: PCB surface mount
Weight: Approx. 3–6g

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
View full product details

The 33µH RH127 SMD Inductor is a robust surface-mount power inductor designed for efficient energy storage, filtering, and voltage regulation in electronic circuits. With a compact 12×12×7mm package and marking code “330”, it delivers reliable performance in power supply and switching applications.

This inductor is widely used in DC-DC converters, SMPS, and embedded systems, where stable inductance and high current handling are essential.

Characteristics

  • Inductance: 33µH
  • Marking Code: 330
  • Compact Size: 12 × 12 × 7 mm
  • High Current Capability: Suitable for power circuits
  • Low DC Resistance (DCR): Improves efficiency
  • Shielded Design: Reduces EMI