This document provides specifications for the TIP125/TIP126/TIP127 PNP epitaxial Darlington transistor products from Fairchild Semiconductor. It includes maximum ratings, electrical characteristics, typical characteristics curves, and mechanical dimensions. The transistors are intended for medium power linear and switching applications and are complementary to Fairchild's TIP120/121/122 NPN Darlington transistors. Key specifications include current gain, saturation voltage, breakdown voltages, and thermal dissipation ratings.