Why do high-frequency transformers have to be led out by leads?

author: MagTop
High-frequency transformers are power transformers whose operating frequency exceeds the intermediate frequency (10kHz).

The lead leads are generally secondary. In order to increase the safety distance between the primary, it is difficult for the primary to meet the high voltage requirements if the feet are directly connected!

In terms of operation, it is more convenient to do flying lines.

When developing products, in order to achieve small size or low height and to save space, transformers cannot use products with larger volumes or bobbin that meet the requirements of safety regulations. Due to the limitations of space and the bobbin itself, safety regulations allow do the flying line to extend the distance to meet the safety distance requirements.