This part is a kind of semiconductor called BDY25.

Function of this product has (BDY23 - BDY25)NPN SILICON TRANSISTORS.

Manufacturers : Comset Semiconductor

Image and pinout :

Some of the text within the PDF file :

BDY23, 180 T2 BDY24, 181 T2 BDY25, 182 T2 NPN SILICON TRANSISTORS, DIFFUSED MESA LF Large Signal Power Amplification High Current Fast Switching ABSOLUTE MAXIMUM RATINGS Symbol VCEO VCBO VEBO IC IB PTOT TJ TStg Collector-Emitter Voltage Ratings www.DataSheet.net/ Value BDY23, 180T2 BDY24, 181T2 BDY25, 182T2 BDY23, 180T2 BDY24, 181T2 BDY25, 182T2 BDY23, 180T2 BDY24, 181T2 BDY25, 182T2 BDY23, 180T2 BDY24, 181T2 BDY25, 182T2 BDY23, 180T2 BDY24, 181T2 BDY25, 181T2 BDY23, 180T2 BDY24, 181T2 BDY25, 182T2 BDY23, 180T2 BDY24, 181T2 BDY25, 182T2 Unit V V V A A Watts Collector-Base Voltage 60 90 140 60 100 200 10 6 3 Emitter-Base Voltage Collector Current Base Current Power Dissipation Junction Temperature Storage Temperature @ TC = 25° 87.5 200 -65 to +200 °C COMSET SEMICONDUCTORS 1/4 [ ... ]

BDY25 PDF Datasheet Download