Tube-number record
4GK5
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4GK5 is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Sylvania, construction Triode, and socket Miniature 7-pin (B7G). The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassTriode
BaseMiniature 7-pin (B7G)
Filament4 V @ 350 mA
Construction
Primary TypeTriode
EnvelopeT-5 1/2
Sectionssingle
Filament / Heater
Heater NotesControlled heater warm-up time
Absolute Maximum Ratings
H-C Voltage100 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| VHF RF amplifier | 135 V | — | — | — | — |
Application Notes
Designed for use as a VHF RF amplifier at a B+ of 135 volts. Identical to Type 6GK5 except for heater ratings and controlled heater warm-up time.
Datasheets
Datasheet: 4GK5.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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