This part is a kind of semiconductor called 2SC4002.

Function of this product has High-Voltage Driver Applications.

Manufacturers : Sanyo Semicon Device

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Some of the text within the PDF file :

Ordering number:EN2960 NPN Triple Diffused Planar Silicon Transistor 2SC4002 High-Voltage Driver Applications Features · High breakdown voltage. · Adoption of MBIT process. · Excellent hFE linearity. Package Dimensions unit:mm 2003B [2SC4002] 5.0 4.0 4.0 0.6 2.0 14.0 5.0 0.45 0.5 0.45 123 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 Conditions Electrical Characteristics at Ta = 25˚C Parameter Symbol Conditions Collector Cutoff Current Emitter Cutoff Current DC Current Gain ICBO IEBO hFE VCB=300V, IE=0 VEB=4V, IC=0 VCE=10V, IC=5 [ ... ]

2SC4002 PDF Datasheet Download