www.fairchildsemi.com MC78XX/LM78XX/MC78XXA 3-Te.
MC7818AC - Three Terminal Positive Voltage Regulators
MC7818AC - 1.0A Positive Voltage Regulators
MC7818AE - 3-Terminal 1A Positive Voltage Regulator
MC7818A - 3-Terminal 1A Positive Voltage Regulator