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The EPC17 High Frequency Transformer is a compact and efficient magnetic component designed for switching power supply (SMPS) systems. Built with high-quality ferrite cores, it offers excellent electromagnetic performance, low core loss, and stable operation under high-frequency conditions.
With its small footprint and reliable insulation structure, the EPC17 transformer is widely used in power adapters, battery chargers, LED drivers, and industrial control systems. Custom winding configurations and electrical parameters are available to meet diverse application requirements.
Switching Power Supplies (SMPS)
AC/DC Adapters
Battery Chargers
LED Drivers
Consumer Electronics
Industrial Control Systems
Our EPC17 transformers are manufactured under strict quality control processes, ensuring consistency and reliability in mass production. We utilize advanced winding techniques and precision assembly to achieve optimal electromagnetic performance.
Our engineering team supports custom design services, including magnetic simulation, prototype development, and application-specific optimization, helping customers shorten development cycles and improve product performance.
Physical Properties
| Order Code | Structure | Dimension(mm) | PinRow(mm) | OD Pin(mm) | ||
| A | B | C | Pin | |||
| INF-EPC17-01 | Horizontal | 18.5 | 19.0 | 13.0 | 4+6 | Ø0.6 |
| INF-EPC17-02 | Horizontal | 19.5 | 18.5 | 10.5 | 4+5 | SMD0.7 |
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 |