The document is a data sheet for TIP3055 and TIP2955 complementary silicon power transistors.
It includes information on their features, maximum ratings, thermal characteristics, ordering information, and electrical characteristics.
The transistors are designed for general-purpose switching and amplifier applications and are Pb-Free devices.
The document also includes graphs showing the DC current gain and maximum rated forward bias safe operating area.
It provides important information for the proper use and handling of these power transistors.