www.fairchildsemi.com MC79XX/MC79XXA/LM79XX 3-Te.
MC7912AC - 1.0A Negative Voltage Regulators
MC7912ACT - 3-Terminal 1A Negative Voltage Regulator
MC7912A - 3-Terminal 1A Negative Voltage Regulator
MC7912AC - 3-Terminal Negative Voltage Regulator
MC7912ACT - 3-Terminal Negative Voltage Regulator