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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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3BN6 vacuum tube outline illustration

Tube-number record

3BN6

0 archive entries

3BN6 is a tube type in the TubeDatabase archive (class: Gated-Beam Discriminator Pentode). Recorded specifications: brand TUNG-SOL, year 1961, construction Pentode, base Button, socket Miniature 7-pin (B7G), and maximum plate voltage 440 V. The archive does not yet hold a photographed example of this type.

BrandTUNG-SOL
ClassGated-Beam Discriminator Pentode
BaseMiniature 7-pin (B7G)
Filament3.15 V @ 600 mA

Construction

Primary TypePentode
EnvelopeGlass
Base MaterialButton
SectionsSingle

Filament / Heater

Heater Notes600 mA series heater operation, controlled warm-up

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Limiter-Discriminator Service (10.7 MHz)63 V—85000—0.25 mA
Limiter-Discriminator Service (10.7 MHz High Supply)122 V—330000—0.49 mA
Limiter-Discriminator Service (4.5 MHz)121 V—330000—

Application Notes

Designed to perform combined operation of detector and audio-voltage amplifier in 600 mA series heater operated television receivers.

Filters

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Manufacturers

Brands

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    Plate Voltage440 V
    Grid 2 Voltage110 V
    Grid 1 Voltage60 V
    Cathode Current13 mA
    H-C Voltage200 V

    Audio Performance

    Typical THD2%
    Key Features
    • Coated Unipotential Cathode
    • Electrostatic Beam Deflection
    • Gated-Beam Discriminator
    • Controlled Heater Warm-up
    0.44 mA