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Low-Loss Toroidal Powder Core Inductor for Advanced Power Systems

The Low-Loss Toroidal Powder Core Inductor with a mounting base and thick lead-out wires is a typical high-current, high-power industrial-grade component. It is designed from the ground up to serve as a "heavy-duty workhorse" in high-power switching power supplies—capable of withstanding high-current surges while providing efficient filtering withDesigned with a terminal and toroidal powder core configuration, this product is ideal for high-current, high-power industrial applications and is engineered for easy installation in cabinet power supplies."out interfering with surrounding circuits.

  • Product Description

Low-Loss Toroidal Powder Core Inductor for Advanced Power Systems

 

Designed for next-generation industrial and renewable power applications, this inductor delivers exceptionally high power density and reliable ripple current suppression within a minimal footprint. The unique magnetic properties of the amorphous material effectively reduce energy loss during high-frequency operation, enabling power modules to become lighter and more efficient. Widely applicable to data center server power supplies, PV inverters, and advanced industrial automation equipment, it provides robust assurance for stable system operations.

 

 

Key Features

  • High Magnetic Saturation Density (Strong Anti-Saturation Capability:This ensures that the inductor can maintain a relatively high inductance value even under high DC bias conditions.

  • Low Core Loss (High Efficiency):This results in less heat generation and improves the overall energy efficiency of the circuit.

  • Excellent Magnetic Shielding (Low Electromagnetic Interference):This means it causes very little interference to surrounding sensitive circuits and also reduces its own susceptibility to external electromagnetic interference.

  • Compact Structure and High Power Density:it can achieve large inductance values and high current handling capabilities within a compact physical volume.

  • Stable Temperature Rise:Due to its low core losses and a reasonable surface-area-to-volume ratio, it exhibits good heat dissipation performance. It can operate stably and reliably even in high ambient temperature environments.

 

DC-Dias
Electric Current (A) Inductance uH
0 1711
5 1621
10 1483
15 1299
20 1101
25 913
30 753
35 622
40 520
45 441
50 361

 

 

Winding Specification

 

Winding Terminal Wire Specification Turns Remarks
N1 S-F QZY-2/180 Φ2.5*1P 70TS Reference turns

 

 

Material

Item Name Specification
Enamelled Wire QZY-2/180 φ2.5
Magnetic Core NPF250060H43
Bobbin / Coil Former 76*76/T3.5/FR-4
Insulating Varnish ET-90C
Solder / Solder Tin Sn99.3Cu0.7

 

 

Electrical Parameters

Inductance #1 1500uH Min
Inductance #2 900uH±10%
DC Resistance (DCR) 40 mΩ Max
Insulation Dielectric Voltage (Hi-pot) 1.8KVac 2mA-3S
Insulation Resistance (IR) 100MΩ Min(DC500V)

 

 

Target Applications

  • High-Efficiency DC-DC Converters: Leverages high saturation flux density and compact size to enable ultra-lightweight designs for power modules.

  • High-Frequency PFC Circuits: Drastically reduces thermal dissipation in Power Factor Correction circuits during full-load high-frequency operation.

  • Automotive Powertrains & Control Units: Relies on zero-hum acoustic performance and wide temperature stability (-55°C to 130°C) for long-term durability in harsh environments.

  • Precision Audio & Low-Noise Power Supplies: Eliminates core hum to deliver pure, uninterrupted power for high-end audio systems and sensitive measuring equipment.

 

Why Partner With Us?
  • Proven Industry Expertise: With over 20 years of industrial experience and a solid foundation established in 2013, we operate five major core industrial lines across multiple specialized manufacturing bases to ensure top-tier product scale and stability.

  • Global Quality Certifications: Our facilities strictly adhere to international automotive and industrial standards, backed by a complete set of major credentials including IATF16949, ISO9001, ISO14001, ISO45001, and ISO50001.

  • Strong R&D & Technical Innovation: Driven by dedicated research teams and specialized new-design laboratories, we possess extensive patent portfolios and advanced testing capabilities to provide highly reliable, customized magnetic solutions.

  • Smart & Scalable Manufacturing: We leverage advanced ERP and MES-managed smart manufacturing systems to optimize production capacity, securing a highly dependable supply chain for international clients across the EU, US, and globally.

 

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