Tube-number record
2-50A
0 archive entries
2-50A is a tube type in the TubeDatabase archive (class: High-Vacuum Rectifier). Recorded specifications: brand Eimac, year 1952, construction Diode, socket 4-pin, maximum plate voltage 30000 V, and maximum plate dissipation 30 W. The archive does not yet hold a photographed example of this type.
BrandEimac
ClassHigh-Vacuum Rectifier
Base4-pin
Construction
Primary TypeDiode
Rectifier TypeHigh-Vacuum
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Capacitor-input filter, Single-phase Half-wave | 10400 V | — | 1000 | — | 60 mA |
| Choke-input filter, Single-phase Bridge (4 tubes) | 21200 V | — | 1000 | — | 150 mA |
Application Notes
The 2-50A is intended for use in rectifier units, voltage multipliers, or in special applications where extreme ambient temperatures or high frequency transients prevent use of gas-filled tubes. Must be mounted vertically.
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