Tube-number record
GZ30
0 archive entries
GZ30 is a tube type in the TubeDatabase archive (class: Full-wave Rectifier). Recorded specifications: brand Mullard, construction Indirectly heated, base Octal, socket Octal, and maximum plate voltage 1400 V. The archive does not yet hold a photographed example of this type.
BrandMullard
ClassFull-wave Rectifier
BaseOctal
Filament5 V @ 2 mA
Construction
Primary TypeIndirectly heated
Rectifier TypeFull-wave
EnvelopeGlass
Base MaterialOctal
Sections2
Filament / Heater
Heater NotesIndirectly-heated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Capacitor Input (C=8uF, Rlim=190 Ohms) | 250 V | — | — | — | 125 mA |
| Capacitor Input (C=8uF, Rlim=260 Ohms) | 300 V | — | — | — | 125 mA |
| Capacitor Input (C=8uF, Rlim=300 Ohms) | 350 V | — | — | — |
Application Notes
Commonly used in power supplies requiring up to 125mA output.
Datasheets
Datasheet: GZ30.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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