This part is a kind of semiconductor called 2N2955HV.

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 isc Product Specification 2N2955HV DESCRIPTION ·Excellent Safe Operating Area ·DC Current Gain- : hFE=20-70@IC= -4A ·Collector-Emitter Saturation Voltage- : VCE(sat)= -1.1V(Max)@ IC= -4A ·Complement to Type 2N3055HV APPLICATIONS ·Designed for general-purpose switching and amplifier applications ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT VCBO Collector-Base Voltage -100 V VCER VCEO Collector-Emitter Voltage Collector-Emitter Voltage -100 -100 V V VEBO Emitter-Base Voltage -7 V IC Collector Current-Continuous IB Base Current PC Collector Power Dissipation @TC=25℃ TJ Junction Temperature Tstg Storage Temperature -15 -7 115 200 -65~200 A A W ℃ ℃ THERMAL CHARACTERISTICS SYMBOL PA [ ... ]

2N2955HV PDF Datasheet Download