This part is a kind of semiconductor called TIP42C.

Function of this product has Silicon PNP Power Transistor.

Manufacturers : Inchange Semiconductor

Image and pinout :

Some of the text within the PDF file :

INCHANGE Semiconductor isc Silicon PNP Power Transistors DESCRIPTION ·DC Current Gain -hFE = 30(Min)@ IC= -0.3A ·Collector-Emitter Sustaining Voltage- : VCEO(SUS) = -100V(Min) ·Complement to Type TIP41C ·Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS ·Designed for use in general purpose amplifer and switching applications ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT VCBO Collector-Base Voltage -100 V VCEO Collector-Emitter Voltage -100 V VEBO Emitter-Base Voltage -5 V IC Collector Current-Continuous -6 A ICM Collector Current-Peak -10 A IB Base Current Collector Power Dissipation TC=25℃ PC Collector Power Dissipation Ta=25℃ Tj Junction Temperature -2 A 65 W 2 150 ℃ Tstg Storage Temperatur [ ... ]

TIP42C PDF Datasheet Download