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High Current 280A Toroidal Inductor PFC Choke For 30kW 60kW EV Charging Station
Place of Origin:
China
Brand Name:
Chipsen
Certification:
UL/CUL/ISO9001/ISO14001/RoHS/Reach/IATF16949
Model Number:
KS777026 8-16uH
Minimum Order Quantity:
1000
Price:
US$2.5-280
Packaging Details:
Carton 1: 25.5 X 21.5 X 21cm Carton 2: 43.5 x 24.5 x 21 cm
Delivery Time:
3-4 Weeks
Payment Terms:
T/T
Supply Ability:
10000000/Month
Inquiry Now
Get A Quote
Specifications
Highlight Features
280A toroidal inductor
,High Current toroidal inductor
,30kW toroid core inductor
Usage:
PFC (Power Factor Correction)
Rated Current:
280A (RMS) / 350A (Peak) (Customizable)
Winding:
100% Pure Copper Wire Flat Copper Wire / Edge-winding
Core Material:
Sendust / High Flux / Nanocrystalline
Core Type:
Toroidal / Ring-type
Certification:
IATF16949, UL, CE, RoHS
Inductance:
1uH - 100uH (Customizable)
Model Number:
PFC-280A Series
Product Description
High Current 280A Toroidal Inductor PFC Choke for 30kW 60kW EV Charging Station and Solar Inverter Power Supply
Product Overview
The 280A High-Current PFC Inductor is a heavy-duty magnetic component engineered for high-wattage Power Factor Correction (PFC) stages in the 20kW to 100kW+ power range. Built on a high-capacity toroidal core, this inductor is specifically designed to handle a continuous RMS current of 280 Amperes. By combining advanced Edge-winding (Flat Wire) technology with high-saturation magnetic materials, it provides a stable, low-loss solution for large-scale energy conversion systems, ensuring maximum grid efficiency and minimal harmonic distortion in mission-critical industrial environments.
Technical Specifications
| Parameter | Typical Value / Spec |
|---|---|
| Core Type | High-Saturation Toroidal Powder Core |
| Winding Method | Edge-wound Flat Copper Wire |
| Terminal Type | Tinned Copper Busbars (Customizable) |
| Dimensions | Approx. OD 120-150mm x H 50-80mm (Customizable) |
| Rated Current (Irms) | 280 A |
| Peak Current (Isat) | 350 A - 420 A |
| Inductance Range | 50 uH - 500 uH (Customized for Power Stage) |
| Inductance Tolerance | +/- 10% or +/- 15% |
| Max DCR (Resistance) | < 0.5 mOhm - 1.5 mOhm (Ultra-low) |
| Efficiency | 98.5% - 99.4% (Typical) |
| Hi-Pot (Isolation) | 2.5KV - 3.5KV AC / 1min |
| Core Material | Sendust (Fe-Si-Al) / High Flux / Nanocrystalline |
| Saturation Flux (Bmax) | 1.05 T - 1.5 T |
| Operating Frequency | 10 KHz - 100 KHz |
| Insulation Class | Class H (180°C) / Class N (200°C) |
| Operating Temp | -40°C to +125°C (Incl. Temp Rise) |
| Compliance | RoHS, REACH, IATF16949 (Automotive Ready) |
| Cooling Requirement | Forced Air / Cold Plate / Liquid Cooling |
Key Features
- Edge-wound Flat Copper Wire: Utilizes high-purity flat copper wire wound on its edge to maximize conductor cross-section, significantly reducing DC resistance and enhancing current-carrying capacity
- High-Saturation Core Materials: Constructed using premium Sendust or High Flux magnetic powder cores with superior flux handling and soft saturation characteristics
- Low EMI Toroidal Geometry: Naturally closed magnetic circuit contains magnetic flux effectively, resulting in ultra-low radiated electromagnetic interference
- Heavy-Duty Busbar Terminals: Equipped with integrated tinned copper busbars ensuring secure, low-resistance connections for large-gauge industrial cables
- High-Temperature Insulation Class: Utilizes Class H (180°C) or Class N (200°C) insulation systems for sustained operation in high-ambient environments
Technical FAQs
Why is "Edge-winding" with flat wire mandatory for a 280A PFC inductor instead of using large-diameter round wire or Litz wire?
For a 280A continuous load, standard round wire would suffer from extreme Skin Effect and Proximity Effect at high switching frequencies (20kHz-100kHz), causing the outer layers to overheat while the core of the wire remains underutilized. Edge-winding allows for a much larger surface area-to-volume ratio, facilitating superior heat dissipation and minimizing the number of winding layers, which drastically reduces AC copper losses caused by proximity effects, resulting in much higher overall efficiency for 30kW-60kW power modules.
How does the "Soft Saturation" characteristic of Sendust/High Flux materials benefit the PFC circuit design at peak 280A currents?
Traditional Ferrite cores exhibit "Hard Saturation," where inductance drops to near-zero instantly once a threshold current is reached, potentially leading to catastrophic MOSFET failure. The Sendust or High Flux cores feature a Distributed Air Gap that allows for Soft Saturation, where inductance decreases gradually as DC bias current increases. This provides a massive safety margin during transient overloads or high-temperature peaks, allowing the PFC controller to maintain control over the current waveform and preventing circuit instability.
Applications
- EV Fast-Charging Stations: Primary PFC choke for 30kW, 60kW, and 120kW electric vehicle charging piles and DC fast chargers
- Renewable Energy Inverters: Critical for high-power solar (PV) string inverters and bidirectional energy storage systems requiring grid-tie voltage synchronization
- Industrial UPS Systems: Provides reliable energy storage and filtering for large-scale data center Uninterruptible Power Supplies
- High-Power Industrial PSU: Ideal for heavy-duty inverter welding machines, industrial laser power sources, and plasma cutting equipment
Product Advantages
- Unrivaled Power Density: Delivers extreme current-handling capability in a standardized toroidal footprint, allowing for significant space savings in dense power cabinets
- Superior Thermal Stability: Combination of large toroidal surface area and flat wire conductors achieves exceptionally low thermal resistance, often eliminating the need for oversized cooling fans
- Maximum Conversion Efficiency: Typically achieving 98.5% to 99%+ efficiency, reducing Total Cost of Ownership by minimizing energy waste and heat-related component aging
- Automotive-Grade Reliability: Manufactured under strict quality controls, ensuring the inductor can withstand high mechanical vibration and thermal shock over a 15+ year service life
Product Images
Manufacturer Information
Chipsen Electronics Technology Co., Ltd., established in 2000, is a specialized manufacturer of high frequency transformers, low frequency transformers, toroidal inductors, SMD power inductors, super high current inductors, choke coils and switches. Chipsen has earned a strong reputation in domestic and international markets including North & South America, Europe and Southeast Asia.
As an ISO9001, ISO14001 & IATF16949 audited company, Chipsen possesses a professional management team committed to producing environmentally friendly and qualified products. Our products are certified by UL Class B/Class F/Class H, CQC and RoHS, and we hold 21 patents. These achievements stem from our strong R&D team, providing various solutions for temperature reduction, noise cancellation and coupled radiation conductivity.
Vision: To Be Global Transformer Brand Supplier
Mission: Create Values for Customers and Society, Grow with Customers and Staff
Values: Customer First, Team Cooperation, Embrace Changes, Integrity, Creative & Happy
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