Tube-number record
GI-5B
0 archive entries
GI-5B is a tube type in the TubeDatabase archive (class: Modulator Triode). Recorded specifications: brand USSR, construction Triode, base metal, maximum plate voltage 2200 V, and maximum plate dissipation 300 W. The archive does not yet hold a photographed example of this type.
BrandUSSR
ClassModulator Triode
Filament6.3 V @ 2400 mA
Construction
Primary TypeTriode
Envelopemetal-ceramic
Base Materialmetal
Sections1
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Modulator | 600 V | 20000 | — | — | 500 mA |
| Zero Grid Bias | 300 V | — | — | — | 470 mA |
Application Notes
Used in series anode modulation circuits and electronic voltage regulators in RF equipment.
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