The EE28 SMPS High Frequency 30W PCB Mount Transformer is designed for reliable and efficient power conversion in high-frequency switch-mode power supplies. Featuring a PC40 core, high-grade copper windings, and dual auxiliary windings, this transformer ensures stable operation across a wide frequency range. Its robust 8-pin through-hole design makes it ideal for AC-DC converters, chargers, and various SMPS applications requiring isolation and reliable performance.
Features of EE28 SMPS High Frequency 30W Transformer:
- Supports power delivery up to 30 Watts.
- Wide operating frequency range from 20kHz to 500kHz.
- Includes primary and secondary auxiliary bias windings for flexible circuit designs.
- High-grade copper winding for superior efficiency and reduced power loss.
- Durable through-hole design for easy PCB mounting.
Specifications of EE28 SMPS High Frequency 30W Transformer:
- Model Number: EE28
- Core Shape: PC40
- Phase: Single
- Power Rating: 30 Watts
- Max Secondary Current Draw: 3.5A
- Primary Winding: ~660mH, (43+21) Turns, 0.3mm wire
- Primary Bias Winding: 7 Turns, 2 x 0.2mm wire
- Secondary Winding: 7 Turns, 3 x 0.3mm wire
- Secondary Bias Winding: 8 Turns, 2 x 0.2mm wire
- Working Frequency: 20kHz ~ 500kHz
- Winding Material: High-Grade Copper
- Temperature Range: -15°C to +105°C
- No. of Poles: 8 Pin
- Mounting Style: Through Hole
- Dimensions (L×B×H): 26mm x 22mm x 19mm
- Weight: 28g
Package Includes:
1 × EE28 SMPS High Frequency 30W PCB Mount Transformer with Auxiliary Winding









