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Electronic tube type

Rectifier - Half Wave vacuum tubes

Rectifier - Half Wave records in Tube Tinker cover 728 tube designations, including 1,886 preserved original datasheets. Compare bases, sockets, heater requirements, construction, exact variations, and directional replacement options.

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Tube records
728
Original datasheets
1,886
Variation families
38
Tubes with alternatives
56

About Rectifier - Half Wave tubes

This applies if the tube is described as a half wave rectifier. It must not be a diode tube but a power rectifier. It must have only one rectifier section.

Electrical range

Nominal heater voltage
0.7–117 V
Nominal heater current
0.01–210 A

Common rectifier - half wave characteristics

These are the most frequently recorded attributes among tubes in this category.

Bases

  • 4P5
  • GOLIATH5
  • DOWN4
  • 4AU3
  • 5AA3
  • 7-pin miniature3
  • A4-103
  • B4A3

Sockets

  • UX443
  • IO30
  • B7G26
  • B9A23
  • J421
  • B4B20
  • GOLIATH14
  • MEDIUM4BAYONET14

Constructions

  • Rectifier726
  • Rectifier-Rectifier2

Rectifier - Half Wave tube list

Page 13 of 16

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  • M8091

    Rectifier

    Special-quality high-voltage rectifier for high-altitude equipment subject to vibration and shock. Its rugged construction and substantial current capability suit demanding airborne systems.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • MU2

    Rectifier

    Directly heated mercury-vapor full-wave rectifier for specialized high-voltage power supplies. Its gas-assisted conduction combines exceptionally high inverse-voltage capability with low forward drop.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2 V
    Sections
    1
  • NL5558

    Rectifier

    National Electronics indirectly heated mercury-filled industrial rectifier for substantial supplies. Its heavy heater and low arc voltage provide multiampere output with multi-kilovolt blocking capability.

    Base
    DOWN
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • NL604

    Rectifier

    National Electronics directly heated industrial power rectifier. Its massive filament provides multiampere output for heavy AC-to-DC conversion.

    Base
    Not recorded
    Socket
    UX4
    Heater
    2.5 V
    Sections
    1
  • NL604L

    Rectifier

    Directly heated NL604-series industrial power rectifier. Its massive filament provides multiampere output for heavy DC supplies.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • NL606

    Rectifier

    High-current National Electronics directly heated industrial rectifier. Its massive filament provides more than six amperes of rectified output for heavy power conversion.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • NL606L

    Rectifier

    Directly heated NL606-series industrial rectifier for high-current supplies. Its massive filament provides several amperes of output and very high peak current.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • NL610

    Rectifier

    National Electronics directly heated industrial rectifier for high-current supplies. Its heavy filament provides multiampere output with exceptionally strong peak-current capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • NL614

    Rectifier

    National Electronics directly heated industrial rectifier for high-current supplies. Its heavy filament provides multiampere output and very strong peak-current handling.

    Base
    Not recorded
    Socket
    UX4
    Heater
    2.5 V
    Sections
    1
  • NL615

    Rectifier

    National Electronics directly heated industrial rectifier emphasizing higher inverse-voltage capability. Its heavy filament provides multiampere output for substantial DC systems.

    Base
    Not recorded
    Socket
    UX4
    Heater
    2.5 V
    Sections
    1
  • NL616

    Rectifier

    National Electronics directly heated industrial power rectifier. Its heavy filament provides multiampere output and very strong peak-current capability.

    Base
    Not recorded
    Socket
    UX4
    Heater
    2.5 V
    Sections
    1
  • NL617

    Rectifier

    National Electronics directly heated high-current industrial rectifier. Its heavy filament provides roughly five amperes of DC output for substantial power conversion.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2 V
    Sections
    1
  • NL618

    Rectifier

    High-current National Electronics directly heated industrial rectifier. Its massive filament provides more than six amperes of output with very high peak-current capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • NL618L

    Rectifier

    Directly heated NL618-series industrial rectifier for high-current supplies. Rated for approximately 900 V peak inverse voltage, 6.4 A DC output, and 40 A peak current with a low conducting drop.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • NL618P

    Rectifier

    Directly heated NL618-series industrial power rectifier. Rated for approximately 900 V peak inverse voltage, 6.4 A DC output, and 40 A peak current with a characteristic low conducting drop.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • NL619

    Rectifier

    Directly heated National Electronics industrial rectifier for high-current conversion. Rated for approximately 300 V peak inverse voltage and 6 A nominal output for low-voltage industrial DC supplies.

    Base
    Not recorded
    Socket
    GOLIATH
    Heater
    2 V
    Sections
    1
  • NL623

    Rectifier

    Directly heated National Electronics industrial rectifier for heavy-current conversion. Rated for approximately 500 V peak inverse voltage and 15 A nominal output with a low conducting voltage drop.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • NL625

    Rectifier

    Directly heated National Electronics industrial rectifier for high-current supplies. Rated for approximately 900 V peak inverse voltage and 15 A nominal output for substantial industrial equipment.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • NL627

    Rectifier

    Directly heated National Electronics industrial rectifier for very-high-current conversion. Rated for approximately 1 kV peak inverse voltage and 20 A nominal output with a low conducting drop.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • NL635

    Rectifier

    Directly heated mercury- and gas-filled industrial rectifier for supplies up to approximately 250 V DC. Rated for about 1 kV peak inverse voltage and 6.4 A output.

    Base
    FOR
    Socket
    SJ4
    Heater
    2.5 V
    Sections
    1
  • NL635L

    Rectifier

    Lug-base version of the NL635 industrial rectifier. Its directly heated construction provides approximately 1 kV peak inverse voltage and 6.4 A nominal output for high-current power conversion.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • NL643

    Rectifier

    Directly heated mercury-filled industrial rectifier for power applications up to approximately 200 V DC. Rated for approximately 700 V peak inverse voltage and 15 A nominal output.

    Base
    DOWN
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • NL649

    Rectifier

    Single-ended mercury-filled industrial rectifier for power supplies and back-rectifier service with thyratrons. Rated for approximately 900 V peak inverse voltage and 2 A nominal output.

    Base
    DOWN
    Socket
    UX4
    Heater
    2.5 V
    Sections
    1
  • NL653

    Rectifier

    Single-ended mercury-filled industrial rectifier for power supplies and back-rectifier service with thyratrons. Rated for approximately 900 V peak inverse voltage and 3 A nominal output.

    Base
    DOWN
    Socket
    UX4
    Heater
    2.5 V
    Sections
    1
  • NL660L

    Rectifier

    Directly heated National Electronics industrial rectifier for high-current AC-to-DC conversion. Rated for approximately 920 V peak inverse voltage and 6.4 A nominal output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • PL250R

    Rectifier

    Penta directly heated high-vacuum diode rectifier for specialized high-voltage supplies. Rated for approximately 60 kV peak inverse voltage, making it suitable for demanding rectifier, multiplier, and related applications.

    Base
    Not recorded
    Socket
    J4
    Heater
    Not recorded
    Sections
    1
  • PY31

    Rectifier

    Indirectly heated half-wave rectifier for AC/DC power supplies. Rated for approximately 1 kV peak inverse voltage and 125 mA nominal rectified output from a 17 V series heater.

    Base
    Not recorded
    Socket
    IO
    Heater
    17 V
    Sections
    1
  • PY32

    Rectifier

    Indirectly heated series-heater half-wave rectifier for television receiver power supplies. Rated for approximately 700 V peak inverse voltage and 325 mA nominal output for comparatively high-current television circuits.

    Base
    Not recorded
    Socket
    IO
    Heater
    29 V
    Sections
    1
  • PY33

    Rectifier

    Indirectly heated series-heater half-wave rectifier for television receiver power supplies. Rated for approximately 700 V peak inverse voltage and 325 mA nominal output for high-current series-string equipment.

    Base
    Not recorded
    Socket
    IO
    Heater
    29 V
    Sections
    1
  • PY82

    Rectifier

    Indirectly heated single-anode rectifier diode for power supplies. Rated for approximately 700 V peak inverse voltage and 180 mA nominal rectified output for equipment using series-heater chains.

    Base
    9C12
    Socket
    B9A
    Heater
    19 V
    Sections
    1
  • R11

    Rectifier

    Indirectly heated high-voltage half-wave rectifier for specialized electronic supplies. Rated for approximately 12.5 kV peak inverse voltage and 50 mA nominal output for high-voltage, relatively low-current service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    4 V
    Sections
    1
  • R17

    Rectifier

    Industrial miniature indirectly heated half-wave rectifier for compact equipment. Rated for approximately 1.45 kV peak inverse voltage and 125 mA nominal rectified output for reliable power-supply service.

    Base
    Not recorded
    Socket
    B9A
    Heater
    6.3 V
    Sections
    1
  • R18

    Rectifier

    Industrial miniature indirectly heated half-wave rectifier for demanding compact supplies. Rated for approximately 1.8 kV peak inverse voltage and 150 mA nominal output, with high peak cathode-current capability.

    Base
    Not recorded
    Socket
    B9A
    Heater
    6.3 V
    Sections
    1
  • RA025B

    Rectifier

    Directly heated single-anode high-vacuum rectifier diode for high-voltage AC rectifier systems. Rated for approximately 60 kV peak inverse voltage and 250 mA nominal output.

    Base
    Not recorded
    Socket
    EDISON
    Heater
    5.5 V
    Sections
    1
  • RA05A

    Rectifier

    Single-anode high-vacuum half-wave rectifier for high-voltage AC systems. Rated for approximately 60 kV peak inverse voltage, 700 mA average output, and 3 A peak current.

    Base
    Not recorded
    Socket
    EDISON
    Heater
    6 V
    Sections
    1
  • RA100A

    Rectifier

    High-vacuum half-wave rectifier diode for high-voltage AC conversion. Rated for approximately 40 kV peak inverse voltage, 300 mA average output, and 750 mA peak current.

    Base
    Not recorded
    Socket
    GOLIATH
    Heater
    5 V
    Sections
    1
  • RA7XL

    Rectifier

    Air-cooled coaxial high-vacuum diode for recuperative service in RF power-amplifier outputs and high-voltage AC rectification. Rated for approximately 25 kV peak inverse voltage and 7 A average current.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5.5 V
    Sections
    1
  • RA7YB

    Rectifier

    Water-cooled directly heated high-vacuum half-wave rectifier diode for high-voltage industrial systems. Rated for approximately 55 kV peak inverse voltage and 7 A average output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • RFG3

    Rectifier

    Indirectly heated high-voltage half-wave rectifier for cathode-ray-tube power supplies. Rated for approximately 10 kV peak inverse voltage with about 5 mA average output, emphasizing high voltage at low current.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    4 V
    Sections
    1
  • RFG4

    Rectifier

    Directly heated high-voltage half-wave rectifier for cathode-ray-tube supplies and voltage-doubler circuits. Rated for approximately 30 kV peak inverse voltage with about 5 mA average output.

    Base
    Not recorded
    Socket
    EDISON
    Heater
    4 V
    Sections
    1
  • RFG5

    Rectifier

    Indirectly heated high-voltage half-wave rectifier for cathode-ray-tube supplies and voltage-doubler circuits. Rated for approximately 16 kV peak inverse voltage with about 10 mA average output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • RG1000

    Rectifier

    Mercury-vapor half-wave rectifier for high-voltage supplies. Rated for approximately 6 kV peak inverse voltage and 1.25 A average rectified current, providing substantial current capability for industrial power conversion.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • RG100030001

    Rectifier

    Half-wave rectifier for high-voltage power supplies. Its heavy filament and ampere-class output provide substantial current at multi-kilovolt voltage for industrial conversion.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • RG1240A

    Rectifier

    Mercury-vapor high-voltage half-wave rectifier, normalized from RG1-240A. Its heavy filament and low arc voltage provide ampere-class industrial power conversion.

    Base
    Not recorded
    Socket
    B4
    Heater
    4 V
    Sections
    1
  • RG12D2

    Rectifier

    German half-wave rectifier for electronic power supplies. Manufacturer documentation confirms dedicated rectifier service but current promoted data do not support a narrower functional description.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • RG12D3

    Rectifier

    German half-wave rectifier for electronic power supplies. Its low heater-current requirement suits specialized equipment, while available promoted data do not justify a narrower classification.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • RG12D300

    Rectifier

    German half-wave rectifier for electronic power supplies. Manufacturer documentation confirms dedicated rectifier service but current promoted data do not support a narrower functional description.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • RG12D60

    Rectifier

    German half-wave rectifier for electronic power supplies. Manufacturer documentation confirms dedicated rectifier service but current promoted data do not support a narrower functional description.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1