This part is a kind of semiconductor called D2058.

Function of this product has 2SD2058.

Manufacturers : Savant

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Product Specification Silicon NPN Power Transistors 2SD2058 DESCRIPTION ·With TO-220F package ·Complement to type 2SB1366 ·Low collector saturation voltage: VCE(SAT)=1.0V(Max) at IC=2A,IB=0.2A ·Collector power dissipation: PC=25W(TC=25 ) APPLICATIONS ·With general purpose applications PINNING PIN 1 2 3 Base Collector Emitter Fig.1 simplified outline (TO-220F) and symbol DESCRIPTION Absolute maximum ratings (Ta=25 ) SYMBOL VCBO VCEO VEBO IC IB PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Ta=25 PC Collector dissipation TC=25 Tj Tstg Junction temperature Storage temperature 25 150 -55~150 Open emitter Open base Open collector CONDITIONS VALUE 60 60 7 3 0.5 1.5 W UNIT V V V A [ ... ]

D2058 PDF Datasheet Download