Shenzhen Zhixiangyuan Electronics Co., Ltd.
| Delivery Time | 3-4weeks |
| Packaging Details | Negotiable |
| Model Number | ZXY |
| Certification | RoHS、ISO9001、CE |
| Brand Name | ZXY |
| Place of Origin | Shenzhen Guangdong |
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Product Specification
| Delivery Time | 3-4weeks | Packaging Details | Negotiable |
| Model Number | ZXY | Certification | RoHS、ISO9001、CE |
| Brand Name | ZXY | Place of Origin | Shenzhen Guangdong |
Magnetic Rod Inductor Rod shaped Choke Coil for Switching Power Supply
1.Product Description
Engineered for high-frequency switch-mode power supplies (SMPS), this premium Magnetic Rod Inductor (Rod-shaped Choke Coil) features high-purity copper windings on an advanced ferrite magnetic core. With its open magnetic circuit, it delivers exceptional current-handling capability and high resistance to magnetic saturation. Ideal for switching power supply PCB layouts, it acts as a critical low-pass filter to suppress EMI noise, smooth current ripples, and protect downstream sensitive electronics in automotive, smart furniture, and industrial DIY projects.
The open-magnetic circuit design and high saturation resistance of the Ferrite Magnetic Rod Inductor make it an indispensable component for transient filtering and ripple suppression in modern electronics. Below are the most common practical applications:
The Application: Integrated into DC-DC Buck-Boost converter circuit boards for high-power USB fast-charging car docks and Body Control Modules (BCMs).
The Role: The 12V/24V power rail from a car battery is notoriously noisy due to alternator whine and ignition spikes. Placed at the power input stage, this rod-shaped choke coil works as a heavy-duty "buffer" to block incoming voltage surges and high-frequency EMI, ensuring it won't interfere with the vehicle's sensitive AM/FM radio or ADAS radar systems.
The Application: Embedded in the LC output filter networks of Class-D audio amplifiers and wireless IoT gateway power rails.
The Role: Class-D amplifiers use high-frequency PWM switching to drive speakers. A rod choke effectively strips away the high-frequency switching carrier signal before it reaches the speaker terminal, leaving only pure, high-fidelity audio signals and eliminating background static hiss.
The Application: Placed on the main power entry board of multi-device wireless charging pads and smart furniture integrations.
The Role: It prevents the high-frequency magnetic field generated by the wireless charging transmitter coils from bleeding back into the main AC/DC grid power supply lines, keeping the entire system thermally stable and compliant with global FCC/CE electromagnetic compatibility standards.
2.Performance Characteristics
| Feature Item | Technical Advantages & Characteristics |
| High Saturation Current | Designed with an open magnetic circuit structure that prevents the core from hitting magnetic saturation even under continuous, peak-load high currents. |
| Excellent EMI Suppression | Functions as a highly effective low-pass differential-mode (DM) filter, drastically attenuating high-frequency electromagnetic interference (EMI/RFI). |
| Low Power Loss (DCR) | Wound with premium, multi-strand oxygen-free copper wire (Litz wire) to achieve ultra-low DC resistance, reducing power dissipation and thermal buildup. |
| High Reliability & Stability | Utilizes premium-grade MnZn or NiZn ferrite cores, ensuring outstanding magnetic permeability and stable performance across wide temperature ranges. |
| Space-Saving Form Factor | The compact, rod-shaped axial or radial design allows for high-density vertical or horizontal mounting on crowded switcher power supply PCBs. |
| Excellent Ripple Reduction | Works seamlessly within LC or $pi$-filter networks to smooth out high-frequency switching spikes and voltage ripples for a clean DC output. |
| Moisture & Shock Resistance | Optional polyolefin heat-shrink tubing or varnish coating provides robust mechanical protection, electrical insulation, and environmental sealing. |
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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