This part is a kind of semiconductor called 3BS3LJ.

Function of this product has ICE3BS03LJG.

Manufacturers : Infineon

Image and pinout :

Some of the text within the PDF file :

Vers ion 2 . 0 , 6 De c 2007 F3 PWM c o nt r ol l er ICE3 BS0 3 L J G Off-Line SMPS Current Mode Controller with integrated 500V Startup Cell ( Latched and frequency jitter Mode ) Power Management & Supply N e v e r s t o p t h i n k i n g . http:// F3 PWM controller ICE3BS03LJG Revision History: Previous Version: 1.0 Page 2007-12-6 Datasheet Subjects (major changes since last revision) For questions on technology, delivery and prices please contact the Infineon Technologies Offices in Germany or the Infineon Technologies Co mpanies an d Representatives worldwide : se e our web page at http:// www.infineon.com Edition 2007-12-6 Published by Infineon Technologies AG, 81726 Munich, Germany, © 2007 Infineon Technologies AG. All Rights Reserved. Legal disclaimer [ ... ]

3BS3LJ PDF Datasheet Download