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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 14 of 16

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  • RG24D1

    Rectifier

    German half-wave rectifier for power-supply service. Its 24 V low-current heater suits specialized series-heater electronic equipment.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    24 V
    Sections
    1
  • RG24D10

    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
  • RG2D1

    Rectifier

    German low-heater-power half-wave rectifier for electronic service. Its tiny filament demand suits compact or battery-oriented low-current equipment.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    1.9 V
    Sections
    1
  • RG3000

    Rectifier

    Mercury-vapor half-wave rectifier for high-voltage supplies. Its heavy filament and low arc voltage provide ampere-class industrial output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • RG31250

    Rectifier

    Mercury-vapor half-wave rectifier for high-voltage power conversion. Its heavy filament and strong peak-current capability suit substantial industrial supplies.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    4 V
    Sections
    1
  • RG3250

    Rectifier

    Mercury-vapor high-voltage half-wave rectifier, normalized from RG3-250. Its heavy filament and low arc voltage provide multiampere industrial output.

    Base
    Not recorded
    Socket
    EDISON
    Heater
    2.5 V
    Sections
    1
  • RG3250A

    Rectifier

    Directly heated RG3-250A half-wave rectifier for high-voltage conversion. Its heavy filament provides multiampere output at multi-kilovolt voltage.

    Base
    Not recorded
    Socket
    B4B
    Heater
    2.5 V
    Sections
    1
  • RG41000

    Rectifier

    Mullard directly heated mercury-vapor rectifier for high-voltage, high-current supplies. Its heavy filament and low arc voltage provide ampere-class industrial output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • RG41250

    Rectifier

    Directly heated mercury-vapor half-wave rectifier for substantial power conversion. Its massive filament and low arc voltage provide ampere-class output at high voltage.

    Base
    Not recorded
    Socket
    GOLIATH
    Heater
    4 V
    Sections
    1
  • RG43000

    Rectifier

    Directly heated mercury-vapor half-wave rectifier for high-voltage circuits. Its heavy filament and low arc voltage support operating regimes reaching several amperes.

    Base
    Not recorded
    Socket
    SJ4
    Heater
    5 V
    Sections
    1
  • RG62D

    Rectifier

    Directly heated high-vacuum half-wave rectifier for high-voltage supplies. Its multi-kilovolt inverse-voltage capability and moderate current suit professional electronic DC systems.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • RGQ104

    Rectifier

    Directly heated rectifier for high-voltage or power-supply service. Available manufacturer data establish the rectifier function without supporting a narrower specialization.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • RGQ2005

    Rectifier

    Directly heated mercury-vapor half-wave rectifier for very-high-inverse-voltage supplies. Its massive filament and gas-assisted conduction suit specialized industrial high-voltage systems.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • RGQ7506

    Rectifier

    Directly heated German rectifier for electronic power supplies. Available translated manufacturer data identify dedicated power-rectifier service without requiring a narrower functional category.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • RK21

    Rectifier

    Raytheon indirectly heated half-wave high-vacuum rectifier for high-voltage supplies with relatively low internal drop. Its multi-kilovolt capability suits specialized electronic systems.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • RK72

    Rectifier

    Raytheon directly heated half-wave high-vacuum rectifier for specialized high-voltage supplies. Its roughly 20 kV inverse-voltage capability is paired with low output current.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • RK73

    Rectifier

    Raytheon directly heated half-wave high-vacuum rectifier for low-current high-voltage supplies. Its multi-kilovolt capability suits specialized electronic equipment.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • RK816

    Rectifier

    Raytheon directly heated mercury half-wave rectifier for high-voltage supplies. Its gas-assisted conduction provides moderate current with low forward drop.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • RK866A

    Rectifier

    Raytheon directly heated mercury half-wave rectifier for high-voltage DC supplies. Its gas-assisted conduction provides moderate current at multi-kilovolt voltage with low arc drop.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • RK872A

    Rectifier

    Raytheon directly heated mercury half-wave rectifier for high-voltage supplies. Its heavy filament and low arc voltage provide substantial industrial current.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • RR31250

    Rectifier

    Directly heated inert-gas-filled half-wave rectifier for high-voltage power conversion. Its heavy filament and gas-assisted conduction provide ampere-class output.

    Base
    Not recorded
    Socket
    J4
    Heater
    5 V
    Sections
    1
  • RR31250A

    Rectifier

    Directly heated inert-gas-filled half-wave rectifier for high-voltage circuits. Its massive filament and gas-assisted conduction provide ampere-class industrial output.

    Base
    Not recorded
    Socket
    GOLIATH
    Heater
    4 V
    Sections
    1
  • RR31250B

    Rectifier

    Directly heated inert-gas-filled half-wave rectifier for substantial high-voltage supplies. Its heavy filament and gas-assisted conduction provide ampere-class output.

    Base
    Not recorded
    Socket
    GOLIATH
    Heater
    4 V
    Sections
    1
  • RR3250

    Rectifier

    Directly heated inert-gas-filled half-wave rectifier for high-voltage circuits with multiple operating regimes. Its gas-assisted construction provides substantial current at multi-kilovolt voltage.

    Base
    Not recorded
    Socket
    B4B
    Heater
    2.5 V
    Sections
    1
  • RX120

    Rectifier

    Raytheon mercury-argon half-wave rectifier for very-high-current power conversion, combining low tube drop with exceptionally high peak-current capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • RX120A

    Rectifier

    Raytheon mercury half-wave rectifier for very-high-current power conversion, combining low forward drop with exceptionally high peak-current capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • RX212

    Rectifier

    Raytheon mercury half-wave rectifier for very-high-current industrial power conversion, providing substantial peak current with low forward tube drop.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • RX21A

    Rectifier

    Eimac mercury-vapor half-wave rectifier designed for high peak inverse voltage with relatively low forward drop. Its single rectifying section is intended for high-voltage professional power supplies.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    2.5 V
    Sections
    1
  • RY12100

    Rectifier

    Directly heated vacuum half-wave rectifier for high-voltage rectifier and surge-limiting circuits, providing approximately 40 kV inverse-voltage capability.

    Base
    Not recorded
    Socket
    B4B
    Heater
    5 V
    Sections
    1
  • S19G6F

    Rectifier

    Special-quality indirectly heated high-vacuum half-wave rectifier for high-voltage, low-current supplies, providing approximately 5 kV inverse-voltage capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    4 V
    Sections
    1
  • U1

    Rectifier

    Water-cooled directly heated vacuum diode for high-voltage industrial-generator rectifiers, using an external copper anode and providing approximately 7 A DC output.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • U107

    Rectifier

    Half-wave rectifier for electronic power-supply service, with manufacturer documentation defining its voltage, current, and intended operating conditions.

    Base
    Not recorded
    Socket
    B7G
    Heater
    4 V
    Sections
    1
  • U16

    Rectifier

    Directly heated high-voltage half-wave rectifier intended primarily to supply accelerator or anode voltage to cathode-ray tubes at very low current.

    Base
    Not recorded
    Socket
    B4
    Heater
    2 V
    Sections
    1
  • U19

    Rectifier

    Directly heated full-wave rectifier for high-voltage power supplies, providing approximately 250 mA DC output with substantial inverse-voltage capability.

    Base
    Not recorded
    Socket
    B4
    Heater
    4 V
    Sections
    1
  • U192

    Rectifier

    Half-wave rectifier for electronic power-supply service, with manufacturer documentation defining its voltage, current, and intended operating conditions.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    19 V
    Sections
    1
  • U201

    Rectifier

    U201 rectifier - half wave electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    20 V
    Sections
    1
  • U301

    Rectifier

    Half-wave rectifier for electronic power-supply service, with manufacturer documentation defining its voltage, current, and intended operating conditions.

    Base
    Not recorded
    Socket
    IO
    Heater
    28 V
    Sections
    1
  • U31

    Rectifier

    Marconi indirectly heated half-wave rectifier for voltage-doubler and capacitor-input power supplies, providing moderate current in series-heater equipment.

    Base
    Not recorded
    Socket
    IO
    Heater
    26 V
    Sections
    1
  • U319

    Rectifier

    Half-wave rectifier for electronic power-supply service, with manufacturer documentation defining its voltage, current, and intended operating conditions.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    20 V
    Sections
    1
  • U381

    Rectifier

    U381 rectifier - half wave electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    38 V
    Sections
    1
  • U4020

    Rectifier

    Half-wave rectifier for electronic power-supply service, with manufacturer documentation defining its voltage, current, and intended operating conditions.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    40 V
    Sections
    1
  • U403

    Rectifier

    Half-wave rectifier for electronic power-supply service, with manufacturer documentation defining its voltage, current, and intended operating conditions.

    Base
    Not recorded
    Socket
    IO
    Heater
    40 V
    Sections
    1
  • U404

    Rectifier

    Half-wave rectifier for electronic power-supply service, with manufacturer documentation defining its voltage, current, and intended operating conditions.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    40 V
    Sections
    1
  • UA025A

    Rectifier

    Directly heated argon-filled half-wave rectifying discharge tube for high-voltage supplies, providing approximately 10 kV inverse-voltage capability and moderate current.

    Base
    Not recorded
    Socket
    EDISON
    Heater
    2.5 V
    Sections
    1
  • UA1A

    Rectifier

    Directly heated mercury-vapor half-wave rectifier for high-voltage transmitter supplies, providing approximately 1 A rectified output.

    Base
    Not recorded
    Socket
    GOLIATH
    Heater
    4 V
    Sections
    1
  • UA1B

    Rectifier

    Half-wave rectifier for electronic power-supply service, with manufacturer documentation defining its voltage, current, and intended operating conditions.

    Base
    Not recorded
    Socket
    GOLIATH
    Heater
    4 V
    Sections
    1
  • UA3A

    Rectifier

    Directly heated mercury-vapor half-wave rectifier for high-voltage transmitter supplies, providing approximately 3 A average rectified current.

    Base
    Not recorded
    Socket
    DUOPIN2
    Heater
    5 V
    Sections
    1
  • UA5A

    Rectifier

    Directly heated mercury-vapor half-wave rectifier for high-voltage transmitter supplies, providing approximately 5 A average rectified current.

    Base
    Not recorded
    Socket
    DUOPIN2
    Heater
    5 V
    Sections
    1