ETD39 high frequency power transformer. 8+8 pins horizontal ETD39 transformer frame. Parallel Distance=38.1mm. Pin distance=5.0mm. Bobbin Size=44.6mmX43.4mmX17.7mm. ETD39 ferrite core transformer has high magnetic flux and low loss magnetic materials, mainly used in PCB circuits, computers, monitors, printer, scanner, duplicator, mobile adapters, other equipment and instruments.