This part is a kind of semiconductor called B817C.

Function of this product has 2SB817C.

Manufacturers : Sanyo Electric

Image and pinout :

Some of the text within the PDF file :

Ordering number : ENA0188 2SB817C / 2SD1047C 2SB817C / 2SD1047C Features • • • PNP Epitaxial Planar Silicon Transistor NPN Triple Diffused Planar Silicon Transistor 140V / 12A, AF 80W Output Applications Large current capacitance. Wide ASO and high durability against breakdown. Adoption of MBIT process. Specifications ( ) : 2SB817C 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 Tc=25°C Conditions Ratings (--)160 (--)140 (--)6 (--)12 (--)20 2.5 120 150 --55 to +150 Unit V V V A A W W °C °C DataSheet4U.com DataSh [ ... ]

B817C PDF Datasheet Download