This is EP13, flyback transformer.
Pri: 33-57VDC, 220kHz
Bias: 12V 50mA
Sec 1: 12V 1.5A
Sec 2: 12V 1.5A
We also have EP7, EP10, SMT and PTH package is available.
If you need customized transformer, please provide below information to us.
1) Power supply topologies
2) Frequency
3) Input and output voltage
4) Output power
Skype: monalei_1
Email: monalei@live.com