The 8T85RB is a forced air cooled, ceramic—metal triode containing a thoriated tungsten cathode with the maximum output power up 12kW, and is designed for mainly used in industrial high frequency heating service as an oscillator.
GENERAL CHARACTERISTICS
Filament Voltage …………… 12 V
Filament Current ……………………… 40 A
Transconductance (Ia=1A) ………… 11 mA/V
Amplification Factor ……………………… 21
Interelectrode Capacitance
Grid Plate …………………………… 16 pF
Grid Cathode………………………… 22 pF
Plate Cathode ……………………… 0.9 pF
Maximum Operating Frequency …………45MHz
Maximum Height ……………………… 303 mm
Maximum Diameter …………………… 204.5 mm
Appro. Weight …………………………… 9 kg
