Motorola Replacement Semiconductor, TO-3, NPN Silicon, same as HEP S5020, High Voltage, 325V, 10A, 125W
Replaces 2N3234, 2N3442, 2N3788, 2N3865, 2N4071, 2N4347, 2N4348, 2N5239, 2N5240, 2N5241, 2N5264, 2N5559, 2N5632, 2N5633, 2N3634, 2N5758, 2N5759, 2N5760, 2N5804, 2N5805, 121-449