This part is a kind of semiconductor called C3792.
Function of this product has 2SC3792.
Manufacturers : Sanyo
Image and pinout :

Some of the text within the PDF file :
Ordering number:ENN1858B NPN Epitaxial Planar Silicon Transistor 2SC3792 High hFE, Low-Frequency General-Purpose Amplifier Applications Applications · Low frequency general-purpose amplifiers, drivers, muting circuits. Features · Adoption of FBET process. · High DC current gain. · High VEBO (VEBO≥25V). · High reverse hFE (150 typ). · Small ON resistance [Ron=1Ω (IB=5mA)] Package Dimensions unit:mm 2003B [2SC3792] 5.0 4.0 4.0 0.45 0.5 0.45 0.44 0.6 2.0 14.0 5.0 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) Base Current Collector Dissipation Junction Temperature Storage Temperature Symbol VCBO VCEO VEBO IC ICP IB PC Tj Tstg Conditio [ ... ]
C3792 PDF Datasheet Download
