This part is a kind of semiconductor called BYV32E-200.
Function of this product has Dual rugged ultrafast rectifier diode.
Manufacturers : NXP
Image and pinout :

Some of the text within the PDF file :
BYV32E-200 Dual rugged ultrafast rectifier diode, 20 A, 200 V Rev. 04 27 February 2009 Product data sheet 1. Product profile 1.1 General description Ultrafast dual epitaxial rectifier diode in a SOT78 (TO-220AB) plastic package. 1.2 Features and benefits High reverse voltage surge capability High thermal cycling performance Low thermal resistance Soft recovery characteristic minimizes power consuming oscillations Very low on-state loss 1.3 Applications Output rectifiers in high-frequency switched-mode power supplies 1.4 Quick reference data Table 1. Quick reference Symbol Parameter VRRM repetitive peak reverse voltage IO(AV) average output current IRRM repetitive peak reverse current VESD electrostatic discharge voltage Dynamic characteristics trr [ ... ]
BYV32E-200 PDF Datasheet Download
