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The 150A High-Current Toroidal Inductor represents a pinnacle in magnetic component engineering, specifically designed to serve as the critical energy storage and filtering hub in high-performance power conversion systems. This heavy-duty component is built to handle continuous current loads up to 150 amperes without reaching magnetic saturation or thermal instability.
Constructed using high-permeability magnetic core materials and high-purity, multi-strand copper windings, the 150A inductor is engineered for low-loss operation. The toroidal geometry provides a complete, closed-loop magnetic circuit, which virtually eliminates radiated electromagnetic noise—a vital requirement for systems operating near sensitive digital control circuits.
| Technical Parameter | Standard Value / Specification Range |
|---|---|
| Rated Continuous Current (Irms) | 150.0 Amperes (@ 40°C Temperature Rise) |
| Saturation Current (Isat) | 180A - 250A (Based on 20% Inductance Drop) |
| Nominal Inductance (L) | 10µH - 220µH ± 20% (@ 100kHz / 1V) |
| DC Resistance (DCR Max) | 0.8mΩ - 3.5mΩ (Optimized for Efficiency) |
| Working Frequency Range | 10kHz - 150kHz (High-Speed Support) |
| Core Material Selection | Sendust (Fe-Si-Al) / Iron Silicon (Fe-Si) |
| Operating Temperature | -40°C to +155°C (Ambient + Self-Heating) |
| Mounting Type | Base-Plate Mounted (Through-Hole Fixation) |
| Insulation Rating | Class H (180°C) / Class N (200°C) Available |
| Lead Wire Specification | Multi-Strand Copper with Silicone Sleeving |
| Dielectric Strength | 2500V AC / 60s (Between Core and Winding) |
| Standard Compliance | RoHS, REACH, International Safety Standards |
The Saturation Current (Isat) is the most vital metric for power system designers. Our core materials are chosen for their high flux density and "Soft Saturation" curve, providing a vital safety margin during unexpected over-current events or startup transients.
The Low DCR (DC Resistance) is achieved through proprietary multi-strand winding techniques, which mitigate the "Skin Effect" and ensure the inductor doesn't waste energy as heat, critical for maintaining high conversion efficiency.
The Base-Plate Mounting System provides significant mechanical advantage by securing the heavy toroidal core to a rigid platform, eliminating physical stress on copper leads in high-vibration environments.
Inherent Magnetic Shielding: The toroidal geometry provides complete magnetic flux containment, essential for applications where high-current pulses are sensitive to interference.
Multi-Strand Parallel Winding: Multiple strands of insulated copper wire wound in parallel maximize conductor surface area, significantly reducing AC resistance at high switching frequencies.
Advanced Base and Lead Protection: High-strength, flame-retardant base materials and high-temperature sleeving ensure physical durability and electrical insulation integrity.
Vacuum Impregnation and Bonding: Dielectric resin impregnation creates a moisture-proof, vibration-resistant monolithic block, eliminating audible buzzing and ensuring reliability in corrosive environments.
Renewable Energy and Smart Grid: Solar micro-inverters, battery management systems (BMS), and electric vehicle (EV) charging stations requiring stable power in unconditioned environments.
Industrial Automation and Data Center Power: High-wattage server power units and industrial DC-DC converters where stable energy storage and ripple smoothing are critical.
EV Infrastructure and E-Mobility: High-power DC fast-charging stations requiring main filter components for DC output stage smoothing.
Heavy Machinery and Research Facilities: High-power motor drives, induction heating systems, and industrial laser power supplies demanding precision and safety.
Chipsen Electronics is a professional manufacturer specializing in high-performance transformers and magnetic components, with over 26 years of manufacturing expertise. Founded in 2000, we operate 4 production bases covering over 7,200 square meters with 400+ skilled employees.
We hold authoritative certifications including ISO9001, ISO14001 and IATF16949, with products approved by UL Class B/F/H, CQC, RoHS and REACH. Our portfolio includes 200+ product types with flexible custom development services.