This part is a kind of semiconductor called VB20100SG.
Function of this product has High-Voltage Trench MOS Barrier Schottky Rectifier.
Manufacturers : Vishay
Image and pinout :

Some of the text within the PDF file :
V20100SG, VF20100SG, VB20100SG, VI20100SG www.vishay.com Vishay General Semiconductor High Voltage Trench MOS Barrier Schottky Rectifier Ultra Low VF = 0.50 V at IF = 5 A TO-220AB TMBS ® ITO-220AB V20100SG 3 2 1 PIN 1 PIN 2 PIN 3 CASE TO-263AB K 123 VF20100SG PIN 1 PIN 2 PIN 3 TO-262AA K A NC VB20100SG NC K A HEATSINK VI20100SG 3 2 1 PIN 1 PIN 2 PIN 3 K PRIMARY CHARACTERISTICS IF(AV) 20 A VRRM 100 V IFSM 150 A VF at IF = 20 A 0.75 V TJ max. Package 150 °C TO-220AB, ITO-220AB, TO-263AB, TO-262AA Diode variations Single die FEATURES • Trench MOS Schottky technology • Low forward voltage drop, low power losses • High efficiency operation • Low thermal resistance • Meets MSL level 1, per J-STD-020, LF maximum peak of 245 °C (for TO-263AB pa [ ... ]
VB20100SG PDF Datasheet Download
