www.fairchildsemi.com MC78XX/LM78XX/MC78XXA 3-Te.
MC7809AB - 1.0A Positive Voltage Regulators
MC7809AC - 1.0A Positive Voltage Regulators
MC7809AE - 3-Terminal 1A Positive Voltage Regulator
MC7809A - 3-Terminal 1A Positive Voltage Regulator