Tube-number record
LG 12
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BrandTelefunken
ClassNetzgleichrichter (Power Rectifier)
BaseSpecial / none
Filament12.6 V @ 1600 mA
Construction
Primary TypeRectifier
Rectifier TypeVacuum
EnvelopeGlass
Base MaterialMetal
Sections2
Filament / Heater
Heater NotesOxide cathode, indirectly heated
Absolute Maximum Ratings
Plate Voltage1200 V
Cathode Current450 mA
H-C Voltage100 V
Audio Performance
Key Features
- Luftfahrtrohre (Aviation spec)
- Bordbetrieb geeignet
- Schüttelfestigkeit 5g
- Beschleunigungsfestigkeit 8g
- Choke-input only
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full-wave rectifier (Choke Input) | 1200 V | — | — | — | 450 mA |
Application Notes
The tube must only be used in circuits with choke input. Capacitor input operation is not permitted.
Datasheets
Datasheet: LG12.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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