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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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TY2-125 vacuum tube outline illustration

Tube-number record

TY2-125

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TY2-125 is a tube type in the TubeDatabase archive (class: V.H.F. Power Triode). Recorded specifications: brand Mullard, construction Triode, socket B5 family, maximum plate voltage 2500 V, and maximum plate dissipation 135 W. The archive does not yet hold a photographed example of this type.

BrandMullard
ClassV.H.F. Power Triode
BaseB5 family

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialThoriated tungsten

Absolute Maximum Ratings

Plate Voltage2500 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class C Telegraphy2500 V2800—25205 mA
Class B Telephony2500 V2800—2577 mA

Datasheets

Datasheet: TY2-125.pdf

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

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    Plate Dissipation135 W
    Grid 1 Voltage-200 V
    Cathode Current250 mA

    Audio Performance

    Key Features
    • All-glass construction
    • Maximum frequency 200 Mc/s
    • Thoriated tungsten filament
    • Suitable for industrial dielectric heating