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

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ML-5682 vacuum tube outline illustration

Tube-number record

ML-5682

0 archive entries

ML-5682 is a tube type in the TubeDatabase archive (class: General Purpose Triode). Recorded specifications: brand Machlett Laboratories, Inc., year 1967, construction Triode, base Coaxial RF Terminals, socket Coaxial, maximum plate voltage 16000 V, and maximum plate dissipation 140000 W. The archive does not yet hold a photographed example of this type.

BrandMachlett Laboratories, Inc.
ClassGeneral Purpose Triode
BaseCoaxial

Construction

Primary TypeTriode
EnvelopeGlass (ML-5682) or Ceramic (ML-5682K)
Base MaterialCoaxial RF Terminals
Sections1

Filament / Heater

MaterialThoriated-tungsten

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class C Telegraphy15000 V——3018400 mA
Class B Audio Amplifier15000 V—873—35000 mA

Application Notes

Suitable for AM, FM and TV broadcasting, dielectric and induction heating, and pulse modulation. Heavy-wall anode requires 60 gpm water flow for 140 kW dissipation.

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Manufacturers

Brands

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    Plate Voltage16000 V
    Plate Dissipation140000 W
    Grid 1 Voltage-3200 V
    Cathode Current18000 mA

    Audio Performance

    Power Output330000 W
    Key Features
    • Rugged coaxial construction
    • High-dissipation low-inductance RF terminals
    • Stress-free thoriated-tungsten filaments
    • Water-cooled anode
    • Suitable for cavity operation