TIP102 NPN Power Darlington Transistor - Datasheet
TIP102 Datasheet(PDF) - Savantic, Inc.
2N6045 - Transistor used on many pinball machine circuit boards.
Major Brands TIP102-VP Darlington NPN Transistor, 100 Volt, 8 Amp, 3-Pin, TO-220 Amp B Rail, 9.28 mm H x 4.82 mm W x 10.28 mm L (Pack of 10): Amazon.com: Industrial & Scientific