This part is a kind of semiconductor called D2025.

Function of this product has 2SD2025.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Product Specification Silicon NPN Power Transistors 2SD2025 DESCRIPTION ·With TO-220Fa package ·High DC current gain ·Low saturation voltage ·DARLINGTON ·Complement to type 2SB1344 APPLICATIONS ·For low frequency power amplifier and power driver applications PINNING PIN 1 2 3 Base Emitter Collector Fig.1 simplified outline (TO-220Fa) and symbol DESCRIPTION Absolute maximum ratings(Ta=25 ) SYMBOL VCBO VCEO VEBO IC ICM PARAMETER Collector-base voltage Collector -emitter voltage Emitter-base voltage Collector current Collector current-peak Ta=25 PC Collector power dissipation TC=25 Tj Tstg Junction temperature Storage temperature 30 150 -55~150 CONDITIONS Open emitter Open base Open collector VALUE 100 100 7 8 10 2 W UNIT V V V A A Savan [ ... ]

D2025 PDF Datasheet Download