Compact EP17 Flyback Transformer for High-Efficiency Isolated Power Designs

Product Overview

The EP17 series high-frequency flyback transformer is a magnetic component specifically optimized for low-power isolated power supply applications. Featuring a compact EP17 core structure and high-reliability winding process, it is well-suited for high-frequency switching power environments. The transformer supports a wide input voltage range and switching frequencies up to several hundred kHz, enabling stable and efficient energy transfer with reinforced electrical isolation in space-constrained designs. It is widely used in PoE-powered devices, industrial control systems, telecom interfaces, and IoT applications.

With a high-insulation structural design, the EP17 transformer offers excellent dielectric strength and environmental robustness, ensuring reliable operation under harsh conditions ranging from -40°C to +125°C. Through optimized core materials and winding structures, it achieves low loss and superior thermal performance under high-frequency operation, making it ideal for isolated power systems requiring compact size, high efficiency, and long-term reliability.

Core Advantages

• Compact Form Factor: EP17 core design saves PCB space

• Excellent High-Frequency Performance: Suitable for 200kHz–500kHz switching applications

• Topology Flexibility: Supports PSR and optocoupler feedback designs

• High Isolation Capability: Up to 1.5KVAC or higher dielectric strength

• Low Loss, High Efficiency: Optimized core and winding structure for reduced heat and losses

• Wide Operating Temperature: Stable performance from -40°C to +125°C

• Flexible Customization: Supports custom output voltage, power levels, and pin configurations

Typical Applications

• PoE Devices: IP phones, wireless access points, IP cameras

• Low-power isolated AC/DC or DC/DC modules

• Industrial control and sensor isolation interfaces

• Telecom and data communication power supplies

• Smart home and IoT devices

• Security and surveillance auxiliary power systems

Customization & Procurement