This part is a kind of semiconductor called 2SC2878.

Function of this product has Silicon NPN Epitaxial Type TRANSISTOR.

Manufacturers : Toshiba Semiconductor

Image and pinout :

Some of the text within the PDF file :

TOSHIBA Transistor Silicon NPN Epitaxial Type 2SC2878 2SC2878 For Muting and Switching Applications · High emitter-base voltage: VEBO = 25 V (min) · High reverse hFE: Reverse hFE = 150 (typ.) (VCE = −2 V, IC = −4 mA) · Low on resistance: RON = 1 Ω (typ.) (IB = 5 mA) Maximum Ratings (Ta = 25°C) Characteristics Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collector power dissipation Junction temperature Storage temperature range Symbol VCBO VCEO VEBO IC IB PC Tj Tstg Rating 50 20 25 300 60 400 125 -55~125 Unit V V V mA mA mW °C °C Electrical Characteristics (Ta = 25°C) Characteristics Collector cut-off current Emitter cut-off current DC current gain Collector-emitter saturation voltage Base-emitter voltage Transit [ ... ]

2SC2878 PDF Datasheet Download