T9*5*3 Small Magnetic Ring Inductor High Permeability Iron Silicon Aluminum For DC-DC Converters/Switching Power Supplies

1.Product Description

This is a small magnetic ring inductor with high-performance iron silicon aluminum magnetic core, model T9 × 5 × 3 (outer diameter 9mm, inner diameter 5mm, thickness 3mm). Its high magnetic permeability characteristics bring excellent inductance performance and low core loss, making it particularly suitable for working in harsh environments with high frequency and high current. It is an ideal choice for optimizing the efficiency of DC-DC converters, improving the output stability of switching power supplies, and performing effective EMI filtering. It is widely used in various power modules, industrial control, and communication equipment.

1. High frequency efficiency and low loss
Iron silicon aluminum magnetic cores have inherent distributed air gaps, which can greatly reduce core losses (iron losses) under high-frequency switching.
Specially suitable for modern switching power supply frequencies ranging from tens of kHz to hundreds of kHz, it can significantly reduce temperature rise and improve overall conversion efficiency.

2. High saturation magnetic density, strong resistance to DC bias
Compared to ordinary ferrites, iron silicon aluminum materials have higher saturation magnetic flux density (usually above 1.0T).
It can maintain the inductance value without a sharp decrease under a large DC bias current, avoiding magnetic saturation, and is particularly suitable for power energy storage inductors in DC-DC circuits such as Buck and Boost.

3. Excellent temperature and working stability
The magnetic permeability changes relatively smoothly with temperature and DC bias, while the inductance has good stability and high predictability under working conditions.
Low temperature rise and minimal impact of environmental temperature on performance ensure the long-term reliability of the circuit.

4. Excellent soft magnetic properties and low EMI noise
Iron silicon aluminum magnetic cores have soft saturation characteristics and high electrical resistivity, which can effectively suppress high-frequency eddy currents.
It can effectively filter out switch noise, suppress high-frequency EMI, and simplify filtering design.

5. Sturdy structure, fully shielded
The annular (magnetic ring) structure realizes a fully enclosed magnetic circuit, without leakage magnetic interference, and will not affect surrounding sensitive components.
The physical structure is sturdy and durable, resistant to earthquakes and impacts, and easy to fix and install through wires or pins.

6. Miniaturization and high cost-effectiveness
The T9 * 5 * 3 size is compact (with an outer diameter of 9mm), achieving excellent electrical performance in a limited space.
The comprehensive performance far exceeds that of ferrite inductors of the same size, providing a highly cost-effective solution in demanding applications.
In summary, this inductor perfectly combines the four core advantages of high frequency low loss, high anti saturation ability, excellent stability, and compact fully shielded structure, and is a key component for solving the efficiency, temperature rise, and EMI problems in the design of medium high frequency and medium high current switching power supplies.

2.Performance Characteristics

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4.Company Profile