This part is a kind of semiconductor called R8002CND.
Function of this product has Power MOSFET.
Manufacturers : ROHM
Image and pinout :
Some of the text within the PDF file :
R8002CND Nch 800V 1A Power MOSFET Datasheet VDSS RDS(on)(Max.) ID PD 800V 4.3Ω ±2A 69W lFeatures 1) Low on-resistance. 2) Fast switching speed. 3) Drive circuits can be simple. 4) Parallel use is easy. 5) Pb-free plating ; RoHS compliant lOutline TO-252 SC-63 CPT3 lInner circuit lPackaging specifications Packing Embossed Tape Reel size (mm) 330 lApplication Switching Power Supply Type Tape width (mm) Basic ordering unit (pcs) 16 2500 Taping code TL Marking R8002CND lAbsolute maximum ratings (Ta = 25°C ,unless otherwise specified) Parameter Symbol Value Unit Drain - Source voltage VDSS 800 V Continuous drain current (Tc = 25°C) ID*1 ±2 A Pulsed drain current IDP*2 ±6 A Gate - Source voltage VGSS ±2 V Avalanche c [ ... ]