www.fairchildsemi.com MC78XX/LM78XX/MC78XXA 3-Term.
MC7805AC - 1.0A Positive Voltage Regulators
MC7805A - 3-Terminal 1A Positive Voltage Regulator
MC7805AC - Three Terminal Positive Voltage Regulators
MC7805AE - 3-Terminal 1A Positive Voltage Regulator
MC7805AB - 1.0A Positive Voltage Regulators