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

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UY1NS vacuum tube outline illustration

Tube-number record

UY1NS

0 archive entries

UY1NS is a tube type in the TubeDatabase archive (class: Half-wave Rectifier). Recorded specifications: brand Tesla, construction Rectifier, base Bakelite, socket Octal, maximum plate voltage 275 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.

BrandTesla
ClassHalf-wave Rectifier
BaseOctal
Filament50 V @ 100 mA

Construction

Primary TypeRectifier
Rectifier TypeHalf-wave
EnvelopeGlass
Base MaterialBakelite
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated cathode; DC or AC power supply.

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Maximum Supply Voltage275 V———140 mA

Application Notes

Because the UY1NS has a very low internal resistance, it is necessary to connect a protective resistor in the anode circuit to limit the peak charging current.

Datasheets

Datasheet: UY1NS.pdf

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

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    Absolute Maximum Ratings

    Plate Voltage275 V
    Plate Dissipation2.5 W
    Cathode Current140 mA
    H-C Voltage750 V

    Audio Performance

    Key Features
    • Indirectly heated
    • Universal receiver tube
    • Bakelite octal base
    • Single-way (half-wave) rectification