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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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6B21 vacuum tube outline illustration

Tube-number record

6B21

0 archive entries

6B21 is a tube type in the TubeDatabase archive (class: High Vacuum Rectifier). Recorded specifications: brand Lewis Electronics, construction Diode, base metal sleeve ceramic, socket Jumbo, and maximum plate voltage 100000 V. The archive does not yet hold a photographed example of this type.

BrandLewis Electronics
ClassHigh Vacuum Rectifier
BaseJumbo

Construction

Primary TypeDiode
Rectifier TypeHigh Vacuum
EnvelopeGlass
Base Materialmetal sleeve ceramic

Filament / Heater

MaterialTungsten
Warm-up Time40s

Datasheets

Datasheet: 6B21.pdf

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

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    Absolute Maximum Ratings

    Plate Voltage100000 V
    Cathode Current100 mA

    Audio Performance

    Key Features
    • Tungsten Filament
    • High Voltage Peak Inverse
    • Jumbo 4-pin Base