You are here: Home » Products » Transformers » AC Transformer » EER Series Transformer » EER35 (7+7) High Frequency Transformer for Balanced Winding SMPS & Isolated Power Conversion Systems

EER35 (7+7) High Frequency Transformer for Balanced Winding SMPS & Isolated Power Conversion Systems

The EER35(7+7) is a high-frequency transformer designed for medium-to-high power applications of 50W to 150W. It features a round center-post core structure for better winding performance and heat dissipation, and achieves flexible circuit connection and reliable high-voltage isolation through the 7+7 pin configuration on both sides.

Quantity:
Availability:





Inquiry

EER35(7+7) High Frequency Transformers

Product Description

Download

Product Overview

The EER35 (7+7) high frequency transformer is a ferrite-core magnetic component designed for switching power conversion systems requiring symmetrical winding distribution and stable electrical characteristics. It enables energy transfer, voltage conversion, and galvanic isolation in SMPS and DC-DC converter applications.

Typical Applications

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

Custom Design Considerations

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

屏幕截图 2025-10-23 170513

Customization & Procurement

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
Quality Assurance	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
Packaging Specifications	Optional Packaging	Vacuum sealed packaging for customers with strict moisture-proof requirements