Tube-number record
FW4-500
0 archive entries
FW4-500 is a tube type in the TubeDatabase archive (class: Full Wave Rectifier). Recorded specifications: brand Mullard, year 1947, construction Rectifier, socket 4-pin, and maximum plate voltage 500 V. The archive does not yet hold a photographed example of this type.
BrandMullard
ClassFull Wave Rectifier
Base4-pin
Construction
Primary TypeRectifier
Rectifier TypeFull Wave
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage500 V
Cathode Current250 mA
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 2x500V operation | 500 V | — | — | — | — |
| 2x350V operation | 350 V | — | — | — | — |
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