Certification: | ISO |
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Shape: | Metal Porcelain Tube |
Shielding Type: | Sharp Cutoff Shielding Tube |
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Triode Electron tube 7T85RB is a forced air cooled, ceramic-metal triode containing a thoriated tungsten carbide cathode intended for use in industrial high frequency heating service as an oscillator.
Cathode | Thoriated Tungsten |
Filament Voltage | 6.3V |
Filament Current | 35A |
Transconductance (Ia=0.35A) | 5mA/V |
Amplification Factor | 21 |
Interelectrode Capacitances: | |
Filament to Grid | 15pF |
Filament to Plate | 0.5pF |
Grid to Plate | 13pF |
Overall Height | 215mm |
Overall Diameter | 130mm |
Net Weight | 1.5kg |
Mounting Position | Vertical |
4CX150F 4CX250B/FG 4CX300A 4CX350A/F