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

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30TC1 vacuum tube outline illustration

Tube-number record

30TC1

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30TC1 is a tube type in the TubeDatabase archive (class: Tacitron (Hydrogen Discharge Tube)). Recorded specifications: brand TESLA, base Bakelite, and maximum plate voltage 1000 V. The archive does not yet hold a photographed example of this type.

BrandTESLA
ClassTacitron (Hydrogen Discharge Tube)
Filament6.3 V @ 3500 mA

Construction

EnvelopeGlass
Base MaterialBakelite

Filament / Heater

Warm-up Time10s
Heater NotesIndirectly heated cathode

Absolute Maximum Ratings

Plate Voltage1000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Continuous400 V———500 mA

Application Notes

Used in relay technology, shaping circuits, oscillators, power switching up to 500 W, servomechanisms, and rectangular voltage generators.

Datasheets

Datasheet: 30TC1.pdf

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

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Brands

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    Grid 1 Voltage150 V
    Cathode Current500 mA

    Audio Performance

    Key Features
    • Very short ionization and deionization time
    • Low noise
    • Grid-controlled discharge extinction
    • High efficiency up to 100 kc/s