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Add : Room 701, Building A1, No. 55 Runfa Road, Jiangning District, Nanjing, China
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The EFD25 PFC Choke is designed for power factor correction circuits requiring stable inductance characteristics, efficient energy storage capability, and reliable high-frequency operation. Utilizing an EFD magnetic core structure, it supports compact transformer and inductor layouts while maintaining excellent magnetic performance in switching power systems.
This choke is optimized for modern high-efficiency power conversion applications where reduced energy loss, improved power factor, and thermal stability are critical.
Compared with toroidal PFC chokes, the EFD25 structure offers improved PCB integration flexibility and simplified assembly for compact electronic systems.
Customized inductance values, current ratings, winding structures, and insulation specifications are available for different application requirements.
Physical Propertie
| Order Code | VIN (V) | L (μH) | n | lR (A) | ISAT (A) | RDC1 max (mΩ) | RDC2 max (mΩ) | VT (V(AC)) |
| INF-EFD25-650μH | 195-265V(AC) | 650 | 90:8 | 0.4 | 2.6 | 1020 | 460 | 1500 |
Technical Specifications
Optimized for PFC circuit applications
EFD magnetic core compact structure
Stable high-frequency inductance performance
Efficient energy storage capability
Improved thermal stability characteristics
Suitable for high-efficiency SMPS systems
Reliable industrial-grade operation
Flexible customization support
Power Factor Correction Circuits
Industrial Switching Power Supplies
LED Driver Power Systems
DC-DC Power Conversion
Communication Power Equipment
Renewable Energy Electronics
High-Efficiency Power Modules
| Main Category | Subcategory | Details |
| MOQ | Prototyping & Small-batch | 10 piece minimum order |
| Sample Service | Free proofing & custom service, 5 free samples (shipping at buyer’s cost) | |
| Bulk Order | 5,000 pieces and above with bulk pricing | |
| Lead Time | All Standard Components | Shipped within 5–7 working days |
| Custom Inductance / Pin Design (Sample) | Sample order confirmed within 5–7 working days | |
| Custom Inductance / Pin Design (Mass Order) | Shipped within 15–30 working days | |
| Payment Terms | Main Payment Term | T/T in advance, L/C at sight |
| Procurement Standard | Complies with global enterprise procurement standard for passive components | |
| Quality Deposit | No quality security deposit required | |
| Accepted Terms | FOB Shanghai / Nanjing / Hong Kong, T/T Advance | |
| Quality Assurance | Manufacturing Defects | Free replacement for issues caused by manufacturing defects |
| Inspection Report | Batch inspection reports available as certification upon customer request | |
| Packaging Specifications | Updated Packaging (2026) | Blister tray packaging; Sealed Tape & Reel for SMD products |
| Optional Packaging | Vacuum sealed packaging for customers with strict moisture-proof requirements |
