Toroidal powder core inductors are designed for efficient power management and filtering in household appliances and consumer electronics. With excellent magnetic stability, low core loss, and strong current handling capability, they help improve energy efficiency and ensure reliable operation in various power supply systems.
Advanced Toroidal Powder Core Inductors for Smart and Energy-Saving Appliances
Engineered for modern appliance power systems, these toroidal powder core inductors provide outstanding performance in energy storage, EMI filtering, and power conversion applications. The distributed air-gap structure of the powder core delivers excellent DC bias characteristics, allowing stable inductance performance under high current conditions. Their low-loss magnetic properties contribute to reduced heat generation and improved overall system efficiency. Featuring a compact toroidal design with high power density, these inductors are suitable for applications such as refrigerators, washing machines, air conditioners, and other smart home appliances. Built for long-term reliability, they provide consistent performance in demanding operating environments.

Key Features
The optimized magnetic material provides strong resistance to saturation, allowing the inductor to maintain stable inductance characteristics even when exposed to high DC currents. This ensures reliable operation under heavy-load and transient conditions.
Designed with low-loss core materials, the inductor minimizes energy dissipation during operation. Lower heat generation helps improve system efficiency and supports more reliable long-term performance.
The closed magnetic path structure helps reduce leakage flux and limits electromagnetic interference to surrounding components. It also enhances immunity against external magnetic disturbances, making it suitable for noise-sensitive electronic systems.
The compact structure enables high inductance and high current capability within a limited installation space. This makes it an ideal choice for applications requiring miniaturization and improved power density.
With optimized core loss characteristics and efficient heat dissipation design, the inductor maintains controlled temperature rise during continuous operation. It delivers stable and dependable performance even in high-temperature working environments.
| Electric Current (A) | Inductance uH |
| 0 | 565 |
| 2 | 542 |
| 4 | 500 |
| 6 | 442 |
| 8 | 378 |
| 10 | 317 |
| 12 | 262 |
| 14 | 216 |
| 16 | 178 |
| 18 | 147 |
Winding Specification
| Winding | Terminal | Wire Specification | Turns | Remarks |
| N1 | S-F | CCA QZY-2/180 Φ1.3*1P | 60TS | Reference turns |
Material
| Item Name | Specification |
| Enamelled Wire | CCA QZY-2/180 Φ1.3 |
| Magnetic Core | NPH140060H16 |
| Bobbin / Coil Former | 30X45/T375HF/黑色 |
| epoxy adhesive | 116P-1 A/B |
| Solder / Solder Tin | Sn99.3Cu0.7 |
Electrical Parameters
| Inductance #1 | 560uH±15%(60KHz/1V/0A) |
| Inductance #2 | 200uH Min(60KHz/1V/10A) |
| DC Resistance (DCR) | 85 mΩ Max |
| Insulation Dielectric Voltage (Hi-pot) | 1.8KVac 2mA-3S |
| Insulation Resistance (IR) | 100MΩ Min(DC500V) |
Target Applications
Power Conversion Systems:
Widely used in switching mode power supplies (SMPS), DC power modules, and energy conversion circuits requiring stable inductance and efficient current handling.
Electric Vehicle Power Electronics:
Applied in EV onboard chargers (OBC), automotive DC-DC converters, and other high-power vehicle charging and power management systems.
Industrial & Communication Infrastructure:
Suitable for industrial power supplies, telecom equipment, high-power base station systems, and server power architectures where compact design and high reliability are required.
Power Factor & Harmonic Control:
Ideal for PFC circuits, harmonic filtering applications, and industrial power conditioning systems to improve power quality and operational efficiency.
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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