Tube-number record
VT-191
0 archive entries
VT-191 is a tube type in the TubeDatabase archive (class: Filamentary air-cooled triode). Recorded specifications: brand General Electric, construction Triode, socket Flexible / flying leads, maximum plate voltage 450 V, and maximum plate dissipation 20 W. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassFilamentary air-cooled triode
BaseFlexible / flying leads
Construction
Primary TypeTriode
EnvelopeGlass
Sectionssingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage450 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristic | 450 V | 2400 | — | 8 | 67 mA |
Application Notes
The VT-191 is designed for ultrahigh-frequency applications. The tube develops a typical power output of 5 watts at 500 Mc. Handle with care due to fragile thoriated tungsten filament; avoid mechanical shock.
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