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.
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.
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 |
Amplification Factor |
21 |
Transconductance (Ia=1A) |
11mA/V |
Interelectrode Capacitance |
|
Grid-Anode |
16 pF |
Grid-Cathode |
22 pF |
Anode-Cathode |
0.9 pF |
Maximum Operaitng Frequency |
45MHz |
Operation Position |
Vertical/ Anode down |
Cooling |
Forced Air |
Minimum cooling air flow |
22m3/min |
Minimum static pressure |
392 Pa |
Maximum inlet air temperature : |
40℃ |
Maximum working temperature on the core of radiator |
250℃ |
Maximum Grid and Cathode Seal Temperature |
250℃ |
Maximum Envelope Temperature |
250℃ |
Maximum Height |
303 mm |
Maximum Diameter |
204.5 mm |
Net Weight |
9 kg approx. |