The µA78M15 is obsolete and no longer is supplied.
µA78M00 SERIES POSITIVEVOLTAGE REGULATORS
SLVS059O - JUNE 1976 - REVISED APRIL 2005
D D D D
3-Terminal Regulators Output Current Up To 500
Original
Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.