Heater-to-Cathode Voltage (max)Heater-Cathode Voltage (max)200V
Max Grid ResistorGrid Resistor (max, cathode bias)1MΩ
Typical Operating
Heater
Heater VoltageHeater Voltage6.3V
Heater CurrentHeater Current0.82A
Notes
The pentode section uses a frame-grid construction for high transconductance (30 mA/V), making it suitable for wideband video amplifier service.
The pentode has a second set of typical operating conditions at low plate voltage (Va=55V, Vs=125V) with Ia=56mA, Is=21mA — intended for video output stage operation.
Grid resistor maximum values differ between fixed bias (pentode 0.1MΩ, triode 0.5MΩ) and cathode bias (pentode 0.25MΩ, triode 1.0MΩ).