This part is a kind of semiconductor called 2SA1359.

Function of this product has POWER TRANSISTOR.

Manufacturers : Inchange Semiconductor

Image and pinout :

Some of the text within the PDF file :

Inchange Semiconductor Product Specification Silicon PNP Power Transistors 2SA1359 DESCRIPTION ·With TO-126 package ·Complement to type 2SC3422 ·Good linearity of hFE APPLICATIONS ·Audio frequency amplifier ·Low speed switching ·Suitable for output stage of 5W car radio and car stereo PINNING PIN 1 2 3 DESCRIPTION Emitter Collector;connected to mounting base Base · 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℃ PD Total power dissipation TC=25℃ Tj Tstg Junction temperature Storage temperature 10 150 -55～+150 ℃ ℃ CONDITIONS Open emitter Open base Open collector VALUE -40 -40 -5 -3 -1 1.5 W UNIT V V V A A Inchange S [ ... ]

2SA1359 PDF Datasheet Download