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Add : Room 701, Building A1, No. 55 Runfa Road, Jiangning District, Nanjing, China
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The EFD30 PFC Choke is developed for active power factor correction circuits in high-frequency switching power supplies where low-profile structure and efficient magnetic performance are required. Utilizing an EFD30 ferrite core design, it combines compact height, optimized magnetic path, and stable inductance characteristics for modern power conversion systems.
Compared with traditional toroidal PFC inductors, the EFD30 structure offers improved PCB assembly flexibility and lower profile dimensions, making it suitable for slim electronic devices and compact industrial power modules.
The choke helps improve power factor performance, reduce input current harmonics, and enhance overall energy efficiency in AC-DC conversion applications.
Customized winding arrangements, inductance values, and current ratings are available based on application requirements.
Designed for active PFC circuits in high-frequency power supplies
Low-profile EFD30 ferrite core structure
Stable inductance with low magnetic loss
Improved harmonic suppression performance
Suitable for compact and slim electronic designs
Efficient thermal dissipation characteristics
Optimized for automated PCB assembly
Custom electrical specifications available
High-Frequency Switching Power Supplies
Active Power Factor Correction Modules
LED Driver Power Supplies
Slim Industrial Power Systems
Consumer Electronics Adapters
Telecom Power Equipment
Compact AC-DC Conversion Systems
Physical Propertie
| Order Code | VIN (V) | L (μH) | n | lR (A) | ISAT (A) | RDC1 max (mΩ) | RDC2 max (mΩ) | VT (V(AC)) |
| INF-EFD30-750μH | 85-265V(AC) | 750 | 34:3 | 0.9 | 3.3 | 950 | 580 | 1500 |
| INF-EFD30-500μH | 195-265V(AC) | 500 | 21:2 | 0.6 | 4.2 | 620 | 540 | 1500 |
| INF-EFD30-375μH | 195-265V(AC) | 375 | 65:6 | 0.8 | 4 | 470 | 390 | 1500 |
| INF-EFD30-250μH | 195-265V(AC) | 250 | 50:5 | 1.1 | 4.8 | 300 | 350 | 1500 |
| INF-EFD30-200μH | 195-265V(AC) | 200 | 50:5 | 1.4 | 6 | 300 | 350 | 1500 |
| INF-EFD30-150μH | 195-265V(AC) | 150 | 42:5 | 1.4 | 6.8 | 190 | 350 | 1500 |
Technical Specifications
| 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 |
