GE Brivo OEC 865 - Tube Rating Chart; Filament Emission Characteristics

Technical Reference
9-11
9.4. Tube Rating Chart
The following charts and data describe tube characteristics when operated with three-phase full-wave
rectification, a reasonable approximation to the high frequency generator with minimal ripple.
9.4.1. Filament Emission Characteristics
Small Focal Spot
Large Focal Spot