This part is a kind of semiconductor called 5H0165R.
Function of this product has KA5H0165R.
Manufacturers : Fairchild Semiconductor
Image and pinout :
Some of the text within the PDF file :
www.fairchildsemi.com KA5x0165Rxx-SERIES KA5H0165R/RN, KA5M0165R/RN, KA5L0165R/RN, KA5H0165RVN Fairchild Power Switch(FPS) Features • • • • • • • • • Precision Fixed Operating Frequency (100/67/50kHz ) Low Start-up Current (Typ. 100uA) Pulse by Pulse Current Limiting Over Load Protection Over Voltage Protection (Min. 25V) - except KA5H0165RVN Internal Thermal Shutdown Function Under Voltage Lockout Internal High Voltage Sense FET Auto-Restart Mode Description The Fairchild Power Switch(FPS) product family is specially designed for an off-line SMPS with minimal external components. The Fairchild Power Switch(FPS) consist of high voltage power SenseFET and current mode PWM IC. Included PWM controller features integrated fixed oscillator, under voltage lock out, leading e [ ... ]