For frequencies from  50Hz to 100Hz. Designed for the electronics. Connection method with pins to printed boards.
The technical features (number of turns, type of wire, fasteners, insulation, method of winding, and further requirements) are set by the Customer. 

> type  - ETD / ST
> frequency - from 50kHz to 100kHz
> isolation class - В/130оС/
> ambient temperature - +40оС