| Shape: | Metal Porcelain Tube |
|---|---|
| Shielding Type: | Sharp Cutoff Shielding Tube |
| Cooling Method: | Air Cooled Tube |
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Triode 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.| 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 : | 40ºC |
| Maximum working temperature on the core of radiator | 250ºC |
| Maximum Grid and Cathode Seal Temperature | 250ºC |
| Maximum Envelope Temperature | 250ºC |
| Maximum Height | 303 mm |
| Maximum Diameter | 204.5 mm |
| Net Weight | 9 kg approx. |
4CX150F 4CX250B/FG 4CX300A 4CX350A/F
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