Tube-number record
UA1B
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BrandTesla
ClassRectifier
BaseScrew / Edison base
Filament4 V @ 10000 mA
Construction
Primary TypeDiode
Rectifier TypeHalf-wave
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialOxide-coated
Warm-up Time120s
Heater NotesDirect heating
Absolute Maximum Ratings
Plate Voltage8000 V
Cathode Current1000 mA
Audio Performance
Key Features
- Half-wave rectifying diode
- Gas-filled
- Direct heating
- Nickel anode
- Argon-filled
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Half-wave rectifier | 8000 V | — | — | — | 1000 mA |
Application Notes
Suitable for use in HV rectifiers for powering transmitters and amplifiers.
Datasheets
Datasheet: UA1B.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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