Tube-number record
4X025
0 archive entries
4X025 is a tube type in the TubeDatabase archive (class: Half-wave Rectifier). Recorded specifications: brand VEB Werk für Fernsehelektronik Berlin, construction Rectifier, socket Special / none, and maximum plate voltage 10000 V. The archive does not yet hold a photographed example of this type.
BrandVEB Werk für Fernsehelektronik Berlin
ClassHalf-wave Rectifier
BaseSpecial / none
Construction
Primary TypeRectifier
Rectifier TypeHalf-wave
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialOxide
Warm-up Time30s
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Drop | 12 V | — | — | — | 500 mA |
Application Notes
Used specifically as a high-voltage half-wave rectifier tube in mobile systems.
Datasheets
Datasheet: 4X025.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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