This part is a kind of semiconductor called B514.

Function of this product has 2SB514.

Manufacturers : Sanyo

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Some of the text within the PDF file :

Ordering number:397E PNP/NPN Triple Diffused Planar Silicon Transistors 2SB514/2SD330 50V/2A Low-Frequency Power Amplifier Applications Features · Especially suited for use in output stage of 10W AF Power amplifier. · Complementary pair with the 2SB514 and 2SD313. Package Dimensions unit:mm 2010C [2SB514/2SD330] ( ) : 2SB514 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 Symbol VCBO VCEO VEBO IC ICP PC Junction Temperature Tj Storage Temperature Tstg Electrical Characteristics at Ta = 25˚C Tc=25˚C Conditions Parameter Symbol Conditions Collector Cutoff Current ICBO VCB=(–)20V, IE=0 Emitter Cutoff Current [ ... ]

B514 PDF Datasheet Download