Tube-number record
5B21
0 archive entries
5B21 is a tube type in the TubeDatabase archive (class: Gas-Filled Rectifier). Recorded specifications: brand Westinghouse Electric Corp., year 1945, construction Rectifier, socket Screw / Edison base, and maximum plate voltage 225 V. The archive does not yet hold a photographed example of this type.
BrandWestinghouse Electric Corp.
ClassGas-Filled Rectifier
BaseScrew / Edison base
Construction
Primary TypeRectifier
Rectifier TypeGas-filled
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Half-Wave Rectifier | 60 V | — | — | — | 15000 mA |
Application Notes
Output voltage 60 Volts d.c. in half-wave circuit configuration.
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