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The EER35 High Frequency Transformer is designed for isolated switching power supply systems requiring balanced winding structures, stable high-frequency energy transfer, and reliable electrical isolation performance.
Built with an EER35 ferrite core platform, the transformer provides optimized magnetic efficiency, balanced winding distribution, and improved thermal performance for medium-to-high power SMPS applications.
Its balanced winding design helps improve coupling efficiency, reduce leakage inductance, and enhance electrical stability in isolated DC-DC and switching power conversion systems.
The EER35 series is widely used in industrial power supplies, inverter systems, communication equipment, and isolated power conversion applications requiring reliable long-term operation.
Customized turns ratios, insulation systems, winding structures, and output specifications are available according to application requirements.
The EER35 (7+7) transformer is suitable for applications requiring balanced electrical performance:
Switching mode power supplies (SMPS)
Dual-output and center-tapped DC-DC converters
Industrial control power systems
Communication and networking equipment
Auxiliary power modules
Customization plays a critical role in transformer performance. Adjustable parameters include:
Turns ratio and inductance
Winding symmetry and layer arrangement
Output voltage configurations
Insulation structure and safety requirements
Design optimization should align with system topology and performance targets.
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 |
