Tube-number record
GUS0
0 archive entries
GUS0 is a tube type in the TubeDatabase archive (class: Mercury Vapour Rectifier). Recorded specifications: brand SFA, construction Rectifier, base Not specified, socket 4-pin, and maximum plate voltage 5000 V. The archive does not yet hold a photographed example of this type.
BrandSFA
ClassMercury Vapour Rectifier
Base4-pin
Construction
Primary TypeRectifier
Rectifier TypeMercury Vapour
EnvelopeGlass
Base MaterialNot specified
SectionsSingle
Filament / Heater
MaterialDirectly heated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Half-wave rectifier | 1750 V | — | — | — | 250 mA |
Application Notes
The valve must be mounted vertically, with the anode at the top. A choke input filter circuit must always be used. Ambient temperature must not exceed 35C. Filament must run for 15 minutes prior to anode voltage application when newly installed. A delay of 30 seconds is essential when switching on from cold.
0 results