T9 * 5 * 3 Medium Magnetic Double Wire Winding 200UH Magnetic Ring Inductor Energy Storage Filter

1.Product Description

Here is a professional introduction paragraph for the component:

The T9×5×3 medium-magnetic double-wire wound 200μH toroidal inductor is a compact, high-efficiency power component designed for energy storage and filtering in mid-frequency switch-mode power applications. Constructed with a Mn-Zn ferrite core (µi ≈ 1250), it offers excellent magnetic coupling and low core loss, making it suitable for DC-DC converters such as Buck, Boost, or Buck-Boost topologies. The double-wire winding configuration enhances current handling capability, reduces AC resistance, and improves thermal performance. With an inductance of 200μH, it effectively smooths output current, minimizes ripple, and stores energy during switching cycles, ensuring stable and efficient power delivery in low to medium power systems.

1. Energy storage function
Working principle: In switch mode power supplies (such as Buck and Boost circuits), when the switching transistor is turned on, current flows through the inductor, and electrical energy is converted into magnetic energy and stored in the magnetic field of the magnetic ring; When the switch tube is turned off, the inductor releases magnetic energy to maintain the continuity of the load current.
Function: As the "energy buffer pool" of the circuit, it ensures the continuous and smooth delivery of energy to the load, which is the key to achieving efficient DC-DC conversion.

2. Filtering function (flat wave)
Working principle: By utilizing the characteristic of inductance that "obstructs current changes", high impedance is formed for the high-frequency pulsating current (ripple) generated by the switch, thereby * * suppressing current transients * * and making the output DC current smoother.
Function: Significantly reduce the ripple and noise of the output current, improve the quality of the power supply, and provide clean power for the subsequent precision circuit.

3. Enhanced functionality brought by structure
Double line parallel winding: This structure not only achieves two tightly coupled windings physically, but also brings two major advantages:
Increase current capacity: Two wires in parallel can carry a larger saturation current than a single wire.
Reduce high-frequency losses: By optimizing the surface area to cross-sectional area ratio of the wire, the skin effect losses at high frequencies are effectively reduced, improving efficiency.

Summary: This component stores energy through magnetic rings, smooths current using inductive characteristics, and optimizes performance with a dual wire structure, achieving efficient and low ripple power conversion and supply in a small volume.

2.Performance Characteristics

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