AC cutoff: The lower end of the ac load line. At this point, the transistor goes into cutoff and clips the ac signal. Related posts: Transistor Crankcase AC Saturation D-Jetronic Valve train Combined angle OAN551 Sensors and Transducers Syllabus Main bearings Push rod Trust angle Castor Tappets Antifreeze Rocker arm OAN751 Low Cost Automation Syllabus Horizontally opposed engine or Boxer engine Included angle CE8602 Structural Analysis II Syllabus AC Load Line Demotion Read more articles Previous PostAC current gain Next PostAC Equivalent circuit