This is for larger power high frequency transformer EE55 (частотный преобразователь) .
Bobbin: EE55 vertical 7+7pin
Core: TDG EE55/55/21A TP4 Ferrite Magnet Core
AL:7070+/-25%
Ae:349.02
Alibaba store: http://www.aliexpress.com/store/1459305
