This is one Lot (Qty. 5) of New Cooper Electronic Technologies CXT01 Series 22uH Flyback Transformer, Part Number: CTX01-17727-R. RoHS.

No detail data sheet information available for this part. But I have very knowledge buyer who did measurement on this part and telling me the following:

It has three coils on it - all 1:1:1 but one with copper wire of bigger diameter then the two others - so I declare that coil with the thicker wire to be input and attached three graphs of S21.

3dB bandwidth is 1MHz...94MHz

Unit can be used from 500kHz to 120MHz