Shenzhen Zhixiangyuan Electronics Co., Ltd.
| Delivery Time | 3-4weeks |
| Packaging Details | Carton |
| Brand Name | ZXY |
| Model Number | T9 * 5 * 3 |
| Certification | RoHS、ISO9001、CE |
| Place of Origin | Shenzhen Guangdong |
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Product Specification
| Delivery Time | 3-4weeks | Packaging Details | Carton |
| Brand Name | ZXY | Model Number | T9 * 5 * 3 |
| Certification | RoHS、ISO9001、CE | Place of Origin | Shenzhen Guangdong |
| High Light | magnetic ring inductor 200uH ，double wire winding inductor ，energy storage filter inductor | ||
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
| Category | Parameter / Feature | Typical Specification / Description |
| Core Specifications | Core Type | Toroidal (Ring) |
| Core Material | Mn-Zn Ferrite ("Medium Magnetic"), μi ≈ 1250 | |
| Core Dimensions | Ø9.0mm (OD) x Ø5.0mm (ID) x 3.0mm (H) | |
| Electrical Performance | Inductance (L) | 200 μH (±20% or as specified), per winding. |
| DC Resistance (DCR) | Low (e.g., < 0.5 Ω per winding). Dual-wire winding reduces effective DCR when windings are paralleled. | |
| Saturation Current (Isat) | Defined by core material/size. Moderate level, suitable for low-medium power applications (e.g., few hundred mA to ~2A range). | |
| Rated Current (Irms) | Thermal limit, typically lower than Isat. | |
| Self-Resonant Frequency (SRF) | High (tens of MHz) due to compact winding and low parasitic capacitance. | |
| Winding & Construction | Winding Style | Double Wire, Parallel Wound (Bifilar) |
| Wire Type | Enameled Copper Wire | |
| Coupling | Tight Magnetic Coupling between windings (coupling coefficient k ≈ 0.95+). | |
| Application-Oriented Features | Primary Function | Energy Storage & Power Filtering in switch-mode power supplies (SMPS). |
| Optimal Frequency Range | Mid-frequency SMPS (e.g., 50 kHz to 500 kHz). | |
| Key Benefit 1 | Low Core Loss at operating frequency, leading to higher efficiency. | |
| Key Benefit 2 | Low Radiated EMI due to closed magnetic path of toroid. | |
| Key Benefit 3 | High Current Capability & Reduced AC Loss from dual-wire parallel winding. | |
| Typical Applications | Output filter/energy storage inductor in Buck, Boost, Buck-Boost converters; Low-power LED drivers; DC-DC power modules. | |
| Reliability | Operating Temperature | -40°C to +85°C (or +125°C, dependent on material grade). |
| Insulation | Wire enamel provides inter-turn insulation. |
3.Other Recommended Products
4.Company Profile
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2011
Total Annual:
6000000-8000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Shenzhen Zhixiangyuan Electronics Co.,Ltd is a high tech enterprise, specializing in customizing various types of audio transformers, high frequency transformers, low frequency transformers,switching power transformers, toroidal inductors, choke coils, SMD power inductors, supper high current induct... Shenzhen Zhixiangyuan Electronics Co.,Ltd is a high tech enterprise, specializing in customizing various types of audio transformers, high frequency transformers, low frequency transformers,switching power transformers, toroidal inductors, choke coils, SMD power inductors, supper high current induct...
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