Tube-number record
U.201
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BrandMazda
ClassRectifier
BaseOctal
Filament20 V @ 200 mA
Construction
Primary TypeRectifier
Rectifier TypeIndirectly heated
EnvelopeClear Bulb
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Cathode Current90 mA
Audio Performance
Key Features
- AC/DC mains operation
- Clear bulb
Application Notes
To safeguard the valve from large current surges, the maximum capacity of the smoothing condenser when no resistance is included is 8uF. When reservoir capacity is 16uF, a resistance of 50 ohms should be used in series. At 110V operation, up to 32uF may be used without series resistance.
Datasheets
Datasheet: U201.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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