Tube-number record
AC/DC MAINS HALF WAVE RECTIFIER
0 archive entries
AC/DC MAINS HALF WAVE RECTIFIER is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: brand Mazda, construction Indirectly heated, socket Octal, and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.
BrandMazda
ClassRectifier
BaseOctal
Filament40 V @ 200 mA
Construction
Primary TypeIndirectly heated
Rectifier TypeHalf Wave
EnvelopeMetallised Bulb
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation (200V Input) | 200 V | — | — | — | 90 mA |
| Typical Operation (230V Input) | 230 V | — | — | — | 90 mA |
| Typical Operation (200V Input, Max Current) | 200 V | — | — | — |
Application Notes
To safeguard the valve from large current surges, a 50-ohm resistance must be used in series with the anode. The reservoir capacity should not exceed 16 uF. The metal coating should be connected to the chassis.
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