Attributes . Drop-Out AC: 0.3 to 0.6 Uc (at -40 to 70?C 50/60 Hz); Operational AC: 0.8 to 1.1 Uc (at -40 to 60?C 50 Hz), 0.85 to 1.1 Uc (at -40 to 60?C 60 Hz), 1 to 1.1 Uc (at 60 to 70?C 50/60 Hz) . Names