This part is a kind of semiconductor called YG901C2R.

Function of this product has LOW LOSS SUPER HIGH SPEED DIODE.

Manufacturers : Fuji Electric

Image and pinout :

Some of the text within the PDF file :

YG901C2R L L D (200V / 5A TO-22OF15) Outline Drawings 10±0.5 ø3.2 +0.2 -0.1 LOW LOSS SUPER HIGH SPEED DIODE 4.5±0.2 2.7±0.2 6.3 2.7±0.2 Features Low VF Super high speed switching. High reliability by planer design. 3.7±0.2 1.2±0.2 13Min 0.7±0.2 2.54±0.2 0.6 -0 +0.2 15±0.3 2.7±0.2 Applications High speed power switching. JEDEC EIAJ SC-67 Connection Diagram 2 Maximum Ratings and Characteristics Absolute Maximum Ratings Item Repetitive peak reverse voltage Repetitive peak surge reverse voltage Isolation voltage Average output current Surge current Operating junction temperature Storage temperature Symbol VRRM VRSM Viso IO IFSM Tj Tstg Terminals to Case, AC. 1min. duty=1/2, Tc=120°C Square wave Sine wave 10ms Conditions 1 3 Rating 200 200 1500 5* 25 -40 to +150 -40 t [ ... ]

YG901C2R PDF Datasheet Download