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

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6L43 vacuum tube outline illustration

Tube-number record

6L43

0 archive entries

6L43 is a tube type in the TubeDatabase archive (class: Half-wave Vacuum Rectifier). Recorded specifications: brand Brimar, construction Rectifier, socket Noval (B9A), and maximum plate voltage 625 V. The archive does not yet hold a photographed example of this type.

BrandBrimar
ClassHalf-wave Vacuum Rectifier
BaseNoval (B9A)
Filament6.3 V @ 670 mA

Construction

Primary TypeRectifier
Rectifier TypeHalf-wave
EnvelopeT-6.5
SectionsSingle

Filament / Heater

Heater NotesOperation from common supply allowed

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Half-wave circuit (Capacitor Input)625 V—160—125 mA
Half-wave circuit (Capacitor Input)500 V—200—150 mA

Application Notes

Useful for compact mobile and airborne equipment. Top cap reduces possibility of electrolysis and arc-over at high altitudes.

Datasheets

Datasheet: 6L43.pdf

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

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Manufacturers

Brands

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    Plate Voltage625 V
    Cathode Current150 mA
    H-C Voltage900 V

    Audio Performance

    Key Features
    • Trustworthy operation
    • Vibration and mechanical shock resistant
    • Top cap connection
    • Compact physical size