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Add : Room 701, Building A1, No. 55 Runfa Road, Jiangning District, Nanjing, China
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The T50 Toroidal PFC Choke is designed for power factor correction (PFC) circuits in high-efficiency AC-DC switching power supplies and industrial power systems. Built with a high-permeability toroidal core and precision winding technology, it delivers excellent energy storage capability, low core loss, and stable inductance performance under high current conditions.
The toroidal (ring-shaped) structure provides a closed magnetic circuit, significantly reducing electromagnetic interference (EMI) and improving overall system efficiency. This makes it ideal for applications where compact size, high efficiency, and low noise are critical.
Customized inductance values, wire gauges, and mechanical structures are available for different power design requirements.
Optimized for Power Factor Correction (PFC) applications
Toroidal core for low EMI and high efficiency
High current handling capability
Low core loss and excellent energy storage
Stable inductance under varying load conditions
Compact and space-efficient design
Excellent thermal stability for continuous operation
Customizable electrical and mechanical parameters
AC-DC Switching Power Supplies
Power Factor Correction (PFC) Circuits
Industrial Power Systems
LED Drivers and Lighting Systems
Renewable Energy Inverters
Telecom Power Supplies
Energy Storage and Conversion Systems
Physical Properties
| Order Code | L(μH) | lR(A) | lSAT(A) | RDC max.(mΩ) |
| INF-T50-194μH | 194 | 12.4 | 19 | 40 |
| INF-T50-194μH | 194 | 12.4 | 37 | 40 |
| INF-T50-389μH | 389 | 11.5 | 19 | 50 |
| INF-T50-389μH | 389 | 11.5 | 37 | 50 |
| INF-T50-584μH | 584 | 11.7 | 19 | 65 |
| INF-T50-584μH | 584 | 11.7 | 37 | 65 |
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 |
