Tube-number record
DOUBLE DIODE
0 archive entries
DOUBLE DIODE is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: brand Tung-Sol, construction Diode, base Miniature Button 9 Pin, socket Noval (B9A), and maximum plate voltage 1375 V. The archive does not yet hold a photographed example of this type.
BrandTung-Sol
ClassRectifier
BaseNoval (B9A)
Filament26.5 V @ 0.2 mA
Construction
Primary TypeDiode
Rectifier TypeFull-wave or Half-wave
EnvelopeGlass
Base MaterialMiniature Button 9 Pin
SectionsDouble
Filament / Heater
Heater NotesAC or DC operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full-Wave Rectifier (Capacitor Input) | 325 V | — | 300 | — | 100 mA |
| Full-Wave Rectifier (Choke Input) | 450 V | — | — | — | 100 mA |
Application Notes
The 26Z5W is ideal for operation in airborne equipment where a 26 volt power supply is normally available. It is suitable for use as a half or full wave rectifier or voltage doubler.
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