This part is a kind of semiconductor called EE1617.

Function of this product has General Power Transformer.

Manufacturers : Sumida Corporation

Image and pinout :

Some of the text within the PDF file :

General Power Transformer < Pin Type:EE Series> Type: EE1617 •Ÿ Product Description •E 19.0•~ 16.5mm Max.(L•~ W), 16.5mm Max. Height. •E In addition to the typical versions of parameters shown here, custom designs are available to meet your exact requirements •Ÿ Feature Operating frequency 300kHz. Max. Operating power 12.0W(300kHz) •E Ideally used in EL inverters, camera strobe light transformers. Switching regulator. •E RoHS Compliance •E Max. •Ÿ Dimensions (mm) 16.5 Max. 18.5 Max. 3.5¡À 0.5 0.3 3-2.8¡À 12.2¡À 0.3 4 5 10 5 19.0 Max. 5-2.2¡À 0.3 10- 0.6 1 10 1 4 •Ÿ Schematics (Bottom) 10 S 1 9 2 8 7 6 S 4 5 S S 3 “ S” is winding start •Ÿ Specification Sample No. 10339-T003 Inductance (1-2) 100kHz/0.1V D.C. [ ... ]

EE1617 PDF Datasheet Download