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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 6 of 16

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  • 5974

    Rectifier

    Oil-immersed directly heated high-vacuum half-wave rectifier with pure-tungsten filament for exceptionally high-voltage supplies, providing approximately 125 kV inverse-voltage capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    10 V
    Sections
    1
  • 5995

    Rectifier

    Subminiature indirectly heated half-wave diode for general rectifier service, providing moderate inverse voltage and current in compact electronic power supplies.

    Base
    5995
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 5B21

    Rectifier

    Directly heated gas-filled half-wave rectifier for low-voltage power conversion, using gas-assisted conduction for efficient high-current industrial and electronic DC supplies.

    Base
    Not recorded
    Socket
    EDISON
    Heater
    2.5 V
    Sections
    1
  • 5C12P

    Rectifier

    Russian indirectly heated high-voltage kenotron for half-wave AC rectification in stationary and mobile equipment, providing approximately 5 kV inverse-voltage capability.

    Base
    Not recorded
    Socket
    B9A
    Heater
    4.5 V
    Sections
    1
  • 5MK9

    Rectifier

    Indirectly heated half-wave vacuum rectifier for moderate-current electronic supplies, providing approximately 60 mA output with around 1 kV inverse-voltage capability.

    Base
    E7-1
    Socket
    B7G
    Heater
    5 V
    Sections
    1
  • 60E3

    Rectifier

    Half-wave AC/DC mains rectifier for 150 mA series heater strings.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    60 V
    Sections
    1
  • 6102

    Rectifier

    Oil-immersed high-vacuum thoriated-tungsten half-wave rectifier for specialized high-voltage supplies, providing approximately 40 kV inverse-voltage capability and moderate current.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 6103

    Rectifier

    Forced-air-cooled high-vacuum thoriated-tungsten half-wave rectifier for substantial high-voltage supplies, providing approximately 20 kV inverse-voltage capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 615

    Rectifier

    Directly heated mercury-vapor or gas-filled high-current half-wave rectifier for substantial industrial power supplies, using gas-assisted conduction and low forward voltage drop.

    Base
    4AU
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • 6157

    Rectifier

    Diode vacuum tube documented in manufacturer registration data. The available source does not establish a specific rectifier application strongly enough to classify it more narrowly.

    Base
    Not recorded
    Socket
    B9A
    Heater
    Not recorded
    Sections
    1
  • 6174

    Rectifier

    Instant-starting cold-cathode gas-filled half-wave rectifier for high-voltage, low-current photoflash, fence-controller, oscilloscope, and similar supplies, requiring no heater.

    Base
    Not recorded
    Socket
    B7G
    Heater
    Not recorded
    Sections
    1
  • 6215

    Rectifier

    Directly heated half-wave high-vacuum rectifier for high-voltage, low-current industrial 60 Hz applications such as dust precipitators, with an explicit soft-X-ray operating warning.

    Base
    B6-60
    Socket
    Not recorded
    Heater
    1.25 V
    Sections
    1
  • 6303

    Rectifier

    Central Electronics high-vacuum half-wave rectifier for high-voltage industrial supplies, providing approximately 40 kV inverse-voltage capability and substantial current.

    Base
    Not recorded
    Socket
    SJ4
    Heater
    11.5 V
    Sections
    1
  • 6305

    Rectifier

    Miniature high-vacuum half-wave rectifier for high-voltage, low-current supplies, providing approximately 12.5 kV inverse-voltage capability.

    Base
    B7G
    Socket
    Not recorded
    Heater
    4 V
    Sections
    1
  • 6339

    Rectifier

    High-voltage half-wave rectifier with separate liquid-cooled and air-operated ratings, providing up to approximately 16 kV inverse-voltage capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 635

    Rectifier

    Mercury-vapor or gas-filled high-current half-wave rectifier for industrial power supplies, using a heavy filament and low arc voltage for efficient power conversion.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • 635L

    Rectifier

    635L rectifier - half wave electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • 635P

    Rectifier

    Half-wave mercury-vapor industrial power rectifier, co-designated GL-6930/635-P, providing multi-ampere average output and very high peak-current capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • 6374

    Rectifier

    Mullard half-wave rectifier for electronic power supplies, providing approximately 2 kV inverse-voltage capability and moderate output current.

    Base
    9BW
    Socket
    B9A
    Heater
    6.3 V
    Sections
    1
  • 6436

    Rectifier

    Instant-starting cold-cathode gas-filled subminiature half-wave rectifier for vibrator supplies exposed to high transient voltages, requiring no heater supply.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • 6443

    Rectifier

    Heater-cathode half-wave rectifier for electronic supplies, providing approximately 1.8 kV inverse-voltage capability and 150 mA DC output.

    Base
    9BW
    Socket
    B9A
    Heater
    6.3 V
    Sections
    1
  • 6489

    Rectifier

    Mullard low-current half-wave diode rectifier for compact electronic equipment, combining modest inverse voltage with a low forward drop.

    Base
    6489
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 6508

    Rectifier

    Mercury-vapor half-wave rectifier for high-voltage, high-current power conversion. Its massive filament and low mercury-arc voltage provide ampere-class output at tens of kilovolts.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 6544

    Rectifier

    Central Electronics high-vacuum industrial rectifier for heavy power conversion. Its enormous six-volt, 60-ampere filament indicates exceptional cathode and current capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6 V
    Sections
    1
  • 660SU

    Rectifier

    Cossor half-wave power-supply rectifier for AC-to-DC conversion in electronic equipment. Available manufacturer data support conventional rectifier service without enough reliable detail for a narrower functional description.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • 6659

    Rectifier

    Instant-starting cold-cathode gas-filled half-wave rectifier for vibrator high-voltage supplies. It requires no heater circuit and provides low-current multi-kilovolt rectification.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • 6693

    Rectifier

    Single-anode mercury-vapor half-wave rectifier with separate high-current and high-voltage ratings. Its heavy filament and low arc drop support multiampere industrial power conversion.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 673

    Rectifier

    Convection-cooled mercury-vapor half-wave rectifier for high-voltage, high-current power conversion. Its heavy filament and low mercury-arc voltage provide ampere-class industrial rectification.

    Base
    Not recorded
    Socket
    B4B
    Heater
    5 V
    Sections
    1
  • 6763

    Rectifier

    Rugged instant-starting cold-cathode gas rectifier for high-voltage, low-current mobile and aircraft supplies. Heaterless operation and strengthened construction suit demanding portable equipment.

    Base
    Not recorded
    Socket
    B7G
    Heater
    Not recorded
    Sections
    1
  • 68506

    Rectifier

    Half-wave Tungar hot-cathode gas-discharge rectifier for low-voltage battery charging. Its massive filament and gas-assisted conduction provide heavy current for charging rather than high-voltage electronics.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.3 V
    Sections
    1
  • 68508

    Rectifier

    68508 rectifier - half wave electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • 68510

    Rectifier

    68510 rectifier - half wave electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2 V
    Sections
    1
  • 6894

    Rectifier

    Mercury-vapor high-current half-wave rectifier for high-voltage power supplies. Its heavy filament and gas-assisted conduction provide multiampere output at tens of kilovolts.

    Base
    Not recorded
    Socket
    B9A
    Heater
    5 V
    Sections
    1
  • 6895

    Rectifier

    Mercury-vapor high-voltage half-wave power rectifier corresponding electrically to the 6894 with different basing. Its heavy filament provides multiampere industrial rectification.

    Base
    Not recorded
    Socket
    JUMBO4B
    Heater
    5 V
    Sections
    1
  • 6898

    Rectifier

    Forced-air-cooled high-vacuum diode for airborne radar modulators, serving as rectifier, charging diode, or clipper. High inverse voltage and substantial current suit demanding pulse systems.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 6908

    Rectifier

    Oil-immersed directly heated high-vacuum rectifier for extremely high-voltage supplies. Its massive filament and roughly 150 kV inverse-voltage capability suit specialized industrial power systems.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    12 V
    Sections
    1
  • 6930

    Rectifier

    Directly heated mercury-vapor half-wave rectifier for industrial power conversion. Its massive filament, multiampere output, and low arc voltage suit low-voltage heavy-current DC supplies.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • 6930635P

    Rectifier

    6930635P rectifier - half wave electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • 6993

    Rectifier

    Indirectly heated high-vacuum rectifier for electronic power supplies. Its 6.3 V heater and moderate output capability suit conventional half-wave DC supplies.

    Base
    5993
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 6B21

    Rectifier

    Lewis Electronics 6B21 directly heated tungsten-filament high-vacuum half-wave rectifier rated 100 kV peak inverse voltage, 300 mA peak current and 100 mA average current.

    Base
    4AU
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 6B3

    Rectifier

    Television horizontal-deflection damper diode.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 6BS3

    Rectifier

    Novar half-wave rectifier for TV damper service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 6CT3

    Rectifier

    TV horizontal deflection damper half-wave rectifier.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 6D22S

    Rectifier

    Indirectly heated power diode for half-wave B-plus rectification in high-quality audio amplifiers. Its high inverse-voltage capability and substantial current suit demanding amplifier power supplies.

    Base
    Not recorded
    Socket
    B9D
    Heater
    6.3 V
    Sections
    1
  • 6H4GT

    Rectifier

    Indirectly heated single-diode rectifier for series-heater receiver service. Its low current capability suits auxiliary and small electronic DC supplies.

    Base
    5AF
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 6HA4GT

    Rectifier

    GT-envelope indirectly heated half-wave rectifier for low-current power-supply or specialized rectification service. Its modest heater demand suits compact electronic equipment.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 6N3

    Rectifier

    Indirectly heated high-vacuum single-anode rectifier for electronic power supplies. Its 6.3 V heater provides conventional half-wave AC-to-DC conversion.

    Base
    Not recorded
    Socket
    B9A
    Heater
    6.3 V
    Sections
    1
  • 6Y3G

    Rectifier

    Indirectly heated high-voltage rectifier for low-current electronic supplies. Its multi-kilovolt inverse-voltage capability suits specialized high-voltage applications.

    Base
    4AC
    Socket
    IO
    Heater
    6.3 V
    Sections
    1