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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

U26

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BrandMazda
ClassHigh Voltage Half Wave Rectifier
BaseNoval (B9A)
Filament2 V @ 350 mA

Construction

Primary TypeDiode
Rectifier TypeHalf Wave
EnvelopeClear bulb, CT1 Cap
Base MaterialGlass
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated—for flyback E.H.T. supplies

Absolute Maximum Ratings

Plate Voltage27000 V
Cathode Current80 mA

Audio Performance

Key Features
  • Indirectly heated
  • Flyback E.H.T. supply

Application Notes

Pins 3 and 7 are floating, but must not be left unconnected. They should be connected to the external circuit with not more than 100v between adjacent pins.

Datasheets

Datasheet: U26.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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