This part is a kind of semiconductor called D613.

Function of this product has 2SD613.

Manufacturers : Sanyo

Image and pinout :

Some of the text within the PDF file :

Ordering number:513H PNP/NPN Epitaxial Planar Silicon Transistor 2SB633/2SD613 85V/6A, AF 25 to 35W Output Applications Features · High breakdown voltage, VCEO85V, high current 6A. · AF25 to 35W output. Package Dimensions unit:mm 2010C [2SB633/2SD613] ( ) : 2SB633 Specifications Absolute Maximum Ratings at Ta = 25˚C Parameter Collector-to-Base Voltage Collector-to-Emitter Voltage Emitter-to-Base Voltage Collector Current Collector Current (Pulse) Collector Dissipation Junction Temperature Storage Temperature Symbol VCBO VCEO VEBO IC ICP PC Tj Tstg Electrical Characteristics at Ta = 25˚C Tc=25˚C Conditions Parameter Symbol Conditions Collector Cutoff Current Emitter Cutoff Current DC Current Gain Gain-Bandwidth Product Collector-to-Emitter Saturation Voltage Base-to-Emit [ ... ]

D613 PDF Datasheet Download