This part is a kind of semiconductor called 2SB1566.

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 PNP Power Transistors 2SB1566 DESCRIPTION ·With TO-220F package ·Excellent DC current gain characteristics ·Low collector saturation voltage ·Wide SOA (safe operating area) ·Complement to type 2SD2395 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 ICM PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector current-peak Ta=25 PC Collector dissipation TC=25 Tj Tstg Junction temperature Storage temperature 25 150 -55~150 CONDITIONS Open emitter Open base Open collector MAX -60 -50 -5 -3 -4.5 2 W UNIT V V V A A SavantIC Semiconductor www. [ ... ]

2SB1566 PDF Datasheet Download