This part is a kind of semiconductor called BU808DFI.

Function of this product has HIGH VOLTAGE FAST-SWITCHING NPN POWER DARLINGTON TRANSISTOR.

Manufacturers : ST Microelectronics

Image and pinout :

Some of the text within the PDF file :

® BU808DFI HIGH VOLTAGE FAST-SWITCHING NPN POWER DARLINGTON TRANSISTOR s STMicroelectronics PREFERRED SALESTYPE s NPN MONOLITHIC DARLINGTON WITH INTEGRATED FREE-WHEELING DIODE s HIGH VOLTAGE CAPABILITY ( > 1400 V ) )s HIGH DC CURRENT GAIN ( TYP. 150 ) t(ss FULLY INSULATED PACKAGE (U.L. cCOMPLIANT) FOR EASY MOUNTING us LOW BASE-DRIVE REQUIREMENTS ds DEDICATED APPLICATION NOTE AN1184 Pro t(s)APPLICATIONS te cs COST EFFECTIVE SOLUTION FOR le uHORIZONTAL DEFLECTION IN LOW END dTV UP TO 21 INCHES. bso ProDESCRIPTION - O teThe BU808DFI is a NPN transistor in monolithic Darlington configuration. It is manufactured using ) leMultiepitaxial Mesa technology for cost-effective t(s sohigh performance. 3 2 1 ISOWATT218 INTERNAL SCHEMATIC DIAGRAM solete Prroodduucct(s) - ObABSOLUTE MAXIMUM RATING [ ... ]

BU808DFI PDF Datasheet Download