EF20 Pure Copper Ferrite Core High Frequency Transformer Vertical PCB Mount Design

The EF20 series represents our high performance magnetic solution for compact and efficient energy conversion. Designed as the vital heart of high frequency switching mode power supplies, the EF20 utilizes an optimized E type core geometry to maximize power throughput while maintaining a minimal PCB footprint. Whether you are developing smart lighting or industrial control modules, our EF20 transformer delivers the stability and efficiency your next generation power designs demand.

• High grade manganese zinc ferrite core ensures superior magnetic flux density and low core loss
• Precision wound oxygen free copper wire minimizes DC resistance and controls thermal rise effectively
• Robust vertical 10-pin bobbin design provides exceptional mechanical strength for automated assembly
• Advanced mylar tape wrapping ensures high voltage isolation safety between primary and secondary windings
• Compact footprint design specifically optimized for high density circuit board environments
• Precision manufacturing technology guarantees highly consistent electrical parameters across all production batches

• Full compliance with IATF 16949 2016 and ISO 9001 2015 quality management systems ensures reliability
• Official UL E332338 insulation system recognition guarantees international safety and compliance standards
• High efficiency conversion reduces energy consumption and meets green power standby requirements
• Excellent EMI suppression characteristics help simplify your final product certification process
• Rugged construction supports stable operation across wide temperature ranges from -40 to 125 Celsius

• Optimized for high frequency SMPS DC-DC converters and AC-DC adapters
• Perfect choice for high power LED drivers, smart home electronics, and automation units
• Extensively used in communication equipment, medical monitors, and precision instruments
• Ideal for battery chargers and various consumer electronic power supply modules

• Acceptable OEM and ODM services meet your specific and turn ratio requirements accurately
• Free engineering design support and professional technical advice help accelerate your project success
• Rigorous 100 percent quality testing verifies every unit before final shipping for zero defect delivery
• Direct factory supply offers highly competitive pricing for global large scale strategic procurement