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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 8 of 16

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  • 8376

    Rectifier

    Ceramic hydrogen-filled rectifier diode with an internal reservoir for stable gas pressure. Its multiampere average and peak-current capability suits demanding high-voltage pulse rectification.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 8434

    Rectifier

    Indirectly heated hydrogen-filled half-wave diode for high-voltage rectifier circuits. Its gas-assisted conduction provides ampere-class current with multi-kilovolt blocking capability.

    Base
    Not recorded
    Socket
    J4
    Heater
    5 V
    Sections
    1
  • 8435

    Rectifier

    Indirectly heated hydrogen-filled half-wave diode for high-voltage rectifier circuits. Its gas-assisted conduction provides ampere-class current with multi-kilovolt blocking capability.

    Base
    Not recorded
    Socket
    SJ4
    Heater
    5 V
    Sections
    1
  • 857B

    Rectifier

    Directly heated high-current mercury-vapor half-wave rectifier for high-power broadcasting stations. Its massive filament and low arc voltage provide multiampere output at high voltage.

    Base
    Not recorded
    Socket
    B4B
    Heater
    5 V
    Sections
    1
  • 866

    Rectifier

    Directly heated mercury-vapor half-wave rectifier for high-voltage DC supplies. Its gas-assisted conduction provides moderate current with low forward voltage for transmitter and industrial equipment.

    Base
    A4-10
    Socket
    UX4
    Heater
    2.5 V
    Sections
    1
  • 866A

    Rectifier

    Directly heated mercury-vapor high-voltage half-wave rectifier for transmitter and general power supplies. Its low arc voltage provides efficient moderate-current conversion at multi-kilovolt potentials.

    Base
    A4-10
    Socket
    UX4
    Heater
    2.5 V
    Sections
    1
  • 866AX

    Rectifier

    Rugged directly heated mercury-vapor half-wave rectifier for high-voltage supplies. Strengthened construction combines multi-kilovolt capability with the low forward voltage of mercury-vapor conduction.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • 866B

    Rectifier

    Taylor directly heated mercury-vapor half-wave rectifier for high-voltage supplies. Its gas-assisted conduction provides efficient transmitter and industrial AC-to-DC conversion.

    Base
    Not recorded
    Socket
    UX4
    Heater
    5 V
    Sections
    1
  • 866JR

    Rectifier

    Directly heated hot-cathode mercury-vapor half-wave rectifier for high-voltage power supplies. Its gas-assisted conduction suits transmitter, industrial, and other substantial electronic supplies.

    Base
    Not recorded
    Socket
    UX4
    Heater
    2.5 V
    Sections
    1
  • 869B

    Rectifier

    Directly heated mercury-vapor half-wave rectifier for broadcasting and industrial high-voltage supplies. Its massive filament and low arc voltage provide several amperes of output.

    Base
    Not recorded
    Socket
    JUMBO3
    Heater
    5 V
    Sections
    1
  • 869BL

    Rectifier

    Flexible-lead version of the 869B mercury-vapor half-wave rectifier for broadcasting and industrial supplies. It provides several amperes of output at high voltage.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 872

    Rectifier

    Directly heated high-current mercury-vapor half-wave rectifier for high-voltage supplies. Its heavy filament and low mercury-arc voltage provide ampere-class output.

    Base
    A4-29
    Socket
    J4
    Heater
    5 V
    Sections
    1
  • 872A

    Rectifier

    Directly heated coated-filament mercury-vapor half-wave rectifier for transmitting and industrial high-voltage supplies. Its low arc voltage provides efficient ampere-class power conversion.

    Base
    A4-29
    Socket
    UX4
    Heater
    5 V
    Sections
    1
  • 872AX

    Rectifier

    Directly heated mercury-vapor half-wave rectifier for high-voltage electronic equipment. Its heavy filament and low arc voltage provide ampere-class DC output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 875A

    Rectifier

    Taylor mercury-vapor half-wave rectifier with processed carbon anode for broadcast and commercial supplies. Its heavy filament provides substantial high-voltage current with low arc drop.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 878

    Rectifier

    Directly heated half-wave rectifier with exceptional mechanical ruggedness for industrial electronic equipment. Its construction emphasizes resistance to vibration, shock, and demanding thermal conditions.

    Base
    Not recorded
    Socket
    MEDIUM4BAYONET
    Heater
    10 V
    Sections
    1
  • 879

    Rectifier

    Directly heated high-voltage half-wave rectifier, co-designated with the 2X2. Its multi-kilovolt capability and low output current suit specialized high-voltage supplies.

    Base
    4P
    Socket
    SMALL4
    Heater
    2.5 V
    Sections
    1
  • 881

    Rectifier

    Indirectly heated mercury-vapor rectifier for high-power transmitting and industrial supplies. Its heavy heater and low arc voltage provide several amperes at high voltage.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 975A

    Rectifier

    Directly heated half-wave rectifier for transmitter, industrial, and other substantial power supplies. Its heavy five-volt filament supports conventional single-anode AC-to-DC conversion.

    Base
    Not recorded
    Socket
    JUMBO4B
    Heater
    5 V
    Sections
    1
  • 9Q2051

    Rectifier

    Hot-cathode mercury-vapor half-wave rectifier for industrial high-voltage supplies, providing approximately 21 kV inverse-voltage capability and ampere-class rectified output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • A207

    Rectifier

    Directly heated high-vacuum half-wave rectifier for high-voltage supplies, associated with service types CV2160 and CV8051 and rated to approximately 45 kV inverse voltage.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    4 V
    Sections
    1
  • A209

    Rectifier

    Marconi oil-insulated high-voltage rectifier specifically designed for X-ray apparatus and radiographic service, providing approximately 140 kV peak inverse-voltage capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • A214

    Rectifier

    Marconi oil-insulated high-voltage rectifier specifically designed for X-ray apparatus and radiographic supplies, with approximately 125 kV peak inverse-voltage capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • A235

    Rectifier

    Directly heated high-vacuum half-wave rectifier combining high inverse-voltage capability with relatively modest filament power for specialized high-voltage supplies.

    Base
    Not recorded
    Socket
    UX4
    Heater
    6.3 V
    Sections
    1
  • A237

    Rectifier

    Compact directly heated high-vacuum half-wave rectifier for reliable very-high-voltage operation, providing approximately 65 kV inverse-voltage capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    4 V
    Sections
    1
  • A292

    Rectifier

    External-anode high-vacuum power diode designed specifically for charging-diode and overswing-diode service in high-power pulse modulators, with substantial inverse-voltage and peak-current capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    12.6 V
    Sections
    1
  • A296

    Rectifier

    Directly heated high-vacuum rectifier designed particularly for three-phase high-voltage rectifier circuits, providing ampere-class output and substantial inverse-voltage capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • AG3B28

    Rectifier

    AEG directly heated inert-gas half-wave rectifier diode for high-voltage supplies, providing approximately 10 kV inverse-voltage capability and moderate current.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • AG5005

    Rectifier

    AEG indirectly heated mercury-vapor hot-cathode half-wave rectifier for high-power industrial supplies, providing very high current with low arc voltage.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • AG5006

    Rectifier

    AEG directly heated mercury-vapor half-wave rectifier for high-voltage industrial supplies, providing approximately 15 kV inverse-voltage capability and multi-ampere output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • AG5014

    Rectifier

    AEG directly heated mercury-vapor hot-cathode half-wave rectifier for industrial power conversion, combining high voltage with ampere-class DC output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • AG5014B

    Rectifier

    Special-base variant of the AEG AG5014 mercury-vapor half-wave rectifier, retaining the same high-voltage and ampere-class electrical ratings.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • AG575A

    Rectifier

    AEG directly heated mercury-vapor hot-cathode half-wave rectifier for substantial high-voltage supplies, providing multi-ampere rectified output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • AG8008

    Rectifier

    AEG directly heated mercury-vapor hot-cathode half-wave rectifier for industrial power-supply service, providing ampere-class rectified DC output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • AG866A

    Rectifier

    AEG directly heated mercury-vapor high-voltage half-wave rectifier for medium-power installations, providing approximately 10 kV inverse-voltage capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • AG869B

    Rectifier

    AEG directly heated mercury-vapor half-wave rectifier for high-voltage industrial supplies, providing approximately 20 kV inverse-voltage capability and multi-ampere output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • AG872A

    Rectifier

    AEG directly heated mercury-vapor half-wave rectifier for high-voltage power conversion, providing approximately 10 kV inverse-voltage capability and ampere-class output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • AH200

    Rectifier

    Marconi hot-cathode mercury-vapor half-wave rectifier for substantial high-voltage supplies, providing approximately 20 kV inverse-voltage capability and multi-ampere output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    25 V
    Sections
    1
  • AH201

    Rectifier

    Marconi hot-cathode mercury-vapor half-wave rectifier for high-voltage supplies, providing approximately 11 kV inverse-voltage capability and moderate current.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    25 V
    Sections
    1
  • AH205

    Rectifier

    Hot-cathode mercury-vapor half-wave rectifier, also designated 857B/CV2673, for high-voltage power conversion with approximately 10 A average output capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • AH211

    Rectifier

    Mercury-vapor half-wave rectifier, service type CV532, for high-voltage supplies; a maintenance type superseded by AH211A for new designs.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • AH211A

    Rectifier

    Hot-cathode mercury-vapor half-wave rectifier, service type CV532, for high-voltage power conversion with ampere-class output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • AH213

    Rectifier

    Hot-cathode mercury-vapor half-wave rectifier, service type CV2723 and equivalent to 869B, for substantial high-voltage power conversion.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • AH221

    Rectifier

    Hot-cathode mercury-vapor half-wave rectifier, service types CV5/CV1435, intended for high-voltage power supplies with ampere-class output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    4 V
    Sections
    1
  • AH238

    Rectifier

    Hot-cathode mercury-vapor half-wave rectifier, service type CV1629, intended for high-voltage power supplies with substantial current capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    4 V
    Sections
    1
  • AH2511

    Rectifier

    Hot-cathode mercury-vapor half-wave rectifier for high-voltage, high-current power conversion, providing approximately 15 kV inverse-voltage capability.

    Base
    Not recorded
    Socket
    B4B
    Heater
    5 V
    Sections
    1
  • AX224

    Rectifier

    Hot-cathode xenon-filled half-wave rectifier for high-voltage power conversion, providing approximately 10 kV inverse-voltage capability.

    Base
    Not recorded
    Socket
    UX4
    Heater
    2.5 V
    Sections
    1
  • AX228

    Rectifier

    Hot-cathode xenon-filled half-wave rectifier for high-voltage supplies, providing approximately 13 kV inverse-voltage capability and ampere-class output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    4 V
    Sections
    1