Tube-number record
HALF-WAVE HIGH-VACUUM RECTIFYING TUBE
0 archive entries
HALF-WAVE HIGH-VACUUM RECTIFYING TUBE is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: brand Rogers Majestic Electronics Ltd., year 1957, construction Other / special, socket Noval (B9A), and maximum plate voltage 700 V. The archive does not yet hold a photographed example of this type.
BrandRogers Majestic Electronics Ltd.
ClassRectifier
BaseNoval (B9A)
Filament55 V @ 100 mA
Construction
Primary TypeOther / special
Rectifier TypeHalf-wave high-vacuum
EnvelopeT6 1/2
Sections1
Filament / Heater
Heater NotesA.C. or D.C.
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Filter Input 60uF, 250V RMS Input | 250 V | — | 125 | — | 180 mA |
| Filter Input 60uF, 240V RMS Input | 240 V | — | 105 | — | 180 mA |
| Filter Input 60uF, 220V RMS Input | 220 V | — | 65 | — |
Application Notes
When two tubes are connected in parallel, the maximum value of the capacitor may be increased to 100 uF. In this case each plate must have the minimum total effective supply resistance specified.
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