This part is a kind of semiconductor called 2SD2374A.

Function of this product has SILICON POWER TRANSISTOR.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Product Specification Silicon NPN Power Transistors 2SD2374 2SD2374A DESCRIPTION ·With TO-220F package ·Complement to type 2SB1548/1548A ·Low collector saturation voltage ·High forward current transfer ratio hFE which has satisfactory linearity APPLICATIONS ·For power amplifications PINNING PIN 1 2 3 Base Collector Emitter Fig.1 simplified outline (TO-220F) and symbol DESCRIPTION Absolute maximum ratings (Ta=25 ) SYMBOL VCBO PARAMETER 2SD2374 Collector-base voltage 2SD2374A 2SD2374 VCEO VEBO IC ICM PC Tj Tstg Collector-emitter voltage 2SD2374A Emitter-base voltage Collector current Collector current-peak Ta=25 Collector dissipation TC=25 Junction temperature Storage temperature 25 150 -55~150 Open collector Open base 80 6 3 5 2 W V A A [ ... ]

2SD2374A PDF Datasheet Download