This part is a kind of semiconductor called 2SC5865.
Function of this product has Transistors High voltage discharge.
Manufacturers : Rohm
Image and pinout :

Some of the text within the PDF file :
2SC5865 Transistors High voltage discharge, High speed switching, Low Noise (60V, 1A) 2SC5865 zFeatures 1) High speed switching. ( Tf : Typ. : 50ns at IC = 1.0A) 2) Low saturation voltage, typically. (Typ. : 200mV at IC = 500mA, IB = 50mA) 3) Strong discharge power for inductive load and capacitance load. 4) Low Noise. 5) Complements the 2SA2092. zDimensions (Unit : mm) TSMT3 2.9 0.4 (3) 1.6 2.8 1.0MAX 0.85 0.7 0~0.1 0.3~0.6 (1) (2) 0.95 0.95 zApplications High speed switching, Low noise (1) Base (2) Emitter (3) Collector 1.9 0.16 Each lead has same dimensions Abbreviated symbol : VU zStructure NPN silicon epitaxial planar transistor zPackaging specifications Package Type Code Basic ordering unit (pieces) 2SC5865 Taping TL 3000 zAbsolute maximum ratings [ ... ]
2SC5865 PDF Datasheet Download
