Rectifier - Half Wave vacuum tubes

Rectifier

High-power directly heated mercury-vapor half-wave rectifier, formerly designated 1765, for industrial high-voltage supplies requiring approximately 1.5 A DC output.

Base

Not recorded

Socket

Not recorded

Heater

50 V

Sections

1

Rectifier

High-power directly heated mercury-vapor half-wave rectifier for industrial high-voltage supplies, combining approximately 30 kV inverse-voltage capability with 1.5 A DC output.

Base

Not recorded

Socket

Not recorded

Heater

50 V

Sections

1

Rectifier

Philips directly heated gas-filled industrial half-wave rectifier for charging lead-acid batteries, providing approximately 5 A DC output and high peak-current capability.

Base

GOLIATH

Socket

Not recorded

Heater

1.9 V

Sections

1

Rectifier

Machlett directly heated industrial high-vacuum rectifier for extremely high-voltage supplies, providing approximately 200 kV peak inverse-voltage capability for specialized applications.

Base

Not recorded

Socket

Not recorded

Heater

13 V

Sections

1

Rectifier

Philips directly heated half-wave high-vacuum rectifier for low-current early receiving-equipment power supplies, providing approximately 30 mA rectified DC output.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Rectifier

Philips directly heated half-wave high-vacuum rectifier for low-current early radio and electronic supplies, providing approximately 30 mA rectified DC output.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Rectifier

Philips directly heated high-vacuum rectifier for receiving-equipment supplies, providing approximately 60 mA rectified DC output under published AC anode-voltage conditions.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Rectifier

Philips directly heated high-vacuum rectifier for AC power supplies, providing approximately 120 mA DC output for receiving and related electronic equipment.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Rectifier

Philips directly heated mercury-vapor/gas high-current cinema rectifier, providing approximately 25 A DC and exceptionally high peak-current capability for industrial supplies.

Base

Not recorded

Socket

Not recorded

Heater

1.9 V

Sections

1

Rectifier

Philips directly heated high-vacuum half-wave rectifier for high-voltage supplies, providing approximately 14 kV peak inverse-voltage capability at modest DC current.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Rectifier

Directly heated high-vacuum half-wave rectifier for high-voltage, low-current power supplies. Its four-volt filament and kilovolt-class inverse-voltage capability emphasize voltage handling rather than substantial current delivery.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Rectifier

Indirectly heated high-vacuum half-wave rectifier for very-high-voltage, low-current service. Its four-volt heater and multi-kilovolt capability suit specialized high-voltage power supplies.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Rectifier

Indirectly heated high-voltage half-wave rectifier for very-low-current power supplies. Its design emphasizes multi-kilovolt operation and insulation rather than substantial DC current.

Base

Not recorded

Socket

EDISON

Heater

4 V

Sections

1

Rectifier

Half-wave high-vacuum rectifier for transformerless radio-receiver power supplies. Its 19 V series-string heater and moderate current capability suit compact mains-operated receivers.

Base

E7-1

Socket

B7G

Heater

19 V

Sections

1

Rectifier

Ediswan 19E2 indirectly heated high-vacuum pulse damping diode for suppression of voltage overshoot, with 4 V 2 A heater, 4000 V normal pulse PIV and 12 A peak anode current.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Rectifier

High-voltage industrial half-wave rectifier for demanding power-supply service. Its multi-kilovolt inverse-voltage capability and moderate current rating suit professional and industrial DC supplies.

Base

Not recorded

Socket

IO

Heater

4 V

Sections

1

Rectifier

Very-high-voltage industrial half-wave rectifier for demanding power supplies. Its exceptionally high inverse-voltage capability and modest current rating emphasize specialized high-voltage DC generation.

Base

Not recorded

Socket

B7G

Heater

4 V

Sections

1

Rectifier

High-voltage industrial half-wave rectifier for substantial power-supply service. Its heavy filament and multi-kilovolt capability provide useful current in demanding professional DC supplies.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Rectifier

Heavy-current industrial half-wave rectifier designed for short-pulse service. Its massive directly heated filament and high inverse-voltage capability emphasize pulsed high-power rectification rather than ordinary continuous receiver supplies.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Rectifier

High-voltage industrial half-wave rectifier for demanding power-supply service. Its multi-kilovolt inverse-voltage capability and modest current output suit specialized professional DC systems.

Base

Not recorded

Socket

IO

Heater

2.5 V

Sections

1

Rectifier

High-voltage Mazda half-wave rectifier for demanding pulse and power-supply applications. Its heavy filament, high continuous inverse-voltage rating, and greater pulse-voltage capability suit specialized high-voltage systems.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Rectifier

Half-wave high-vacuum rectifier for electronic power supplies. Its 19 V series-string heater and substantial current capability suit transformerless and general mains-operated equipment.

Base

9BM

Socket

B9A

Heater

19 V

Sections

1

Rectifier

Small gaseous cold-cathode half-wave rectifier for moderately high-voltage service and series-cascade operation. It requires no heater supply and uses gas-discharge conduction for compact low-current rectification.

Base

Not recorded

Socket

B7G

Heater

Not recorded

Sections

1

Rectifier

Russian directly heated high-voltage pulse rectifier.

Base

Not recorded

Socket

Not recorded

Heater

0.7 V

Sections

1

Rectifier

Russian directly heated high-voltage pulse rectifier.

Base

Not recorded

Socket

Not recorded

Heater

1.25 V

Sections

1

Rectifier

Indirectly heated half-wave rectifier for universal-receiver power supplies. Its four-volt heater and moderate output capability suit compact mains-operated radio equipment.

Base

Not recorded

Socket

IO

Heater

4 V

Sections

1

Rectifier

Indirectly heated half-wave rectifier for universal-receiver power supplies. Its four-volt heater and moderate output capability suit compact mains-operated radio equipment.

Base

Not recorded

Socket

IO

Heater

4 V

Sections

1

Rectifier

Battery-operated high-frequency diode for small-current half-wave rectification rather than conventional power supplies. Its low-voltage filament and tiny current demand suit portable electronic equipment.

Base

4AH

Socket

Not recorded

Heater

1.4 V

Sections

1

Rectifier

Half-wave rectifier with separate cathode for capacitor-input power supplies. Its 6.3 V heater and moderate current capability suit conventional electronic DC supplies.

Base

4G

Socket

UX4

Heater

6.3 V

Sections

1

Rectifier

Directly heated two-element thermionic rectifier for substantial DC power systems. Its heavy filament supports industrial half-wave AC-to-DC conversion at hundreds of volts.

Base

Not recorded

Socket

JUMBO4B

Heater

10 V

Sections

1

Rectifier

Eimac 2-150D directly heated high-vacuum rectifier for demanding high-voltage supplies. Its heavy filament, tens-of-kilovolts inverse-voltage capability, and high current suit transmitter and industrial systems.

Base

Not recorded

Socket

J4

Heater

5 V

Sections

1

Rectifier

Directly heated half-wave high-vacuum rectifier for high-voltage transmitter and industrial supplies. Its heavy ten-volt filament supports useful current at several kilovolts.

Base

Not recorded

Socket

J4

Heater

10 V

Sections

1

Rectifier

RCA directly heated half-wave vacuum rectifier for transmitting power supplies. Its heavy filament and multi-kilovolt inverse-voltage capability suit professional high-voltage DC systems.

Base

Not recorded

Socket

J4

Heater

10 V

Sections

1

Rectifier

Eimac 2-2000A directly heated high-power high-vacuum rectifier for very-high-voltage supplies. Its massive filament, extreme inverse-voltage capability, and substantial output suit major transmitter and industrial systems.

Base

Not recorded

Socket

J4

Heater

10 V

Sections

1

Rectifier

Western Electric directly heated water-cooled high-voltage rectifier for substantial industrial and communications supplies. Liquid cooling and a massive filament support demanding continuous high-voltage service.

Base

Not recorded

Socket

MEDIUM4BAYONET

Heater

21.5 V

Sections

1

Rectifier

Eimac 2-240A directly heated high-vacuum rectifier for demanding high-voltage power supplies. Its heavy filament and tens-of-kilovolts capability suit transmitter and industrial systems.

Base

Not recorded

Socket

J4

Heater

15 V

Sections

1

Rectifier

Eimac 2-25A directly heated high-vacuum rectifier for specialized high-voltage supplies. Its compact heavy-duty construction provides tens-of-kilovolts inverse-voltage capability at modest current.

Base

Not recorded

Socket

J4

Heater

6.3 V

Sections

1

Rectifier

Western Electric directly heated water-cooled high-voltage rectifier for substantial DC supplies. Liquid cooling and a massive filament support demanding continuous industrial and communications power systems.

Base

Not recorded

Socket

MEDIUM4BAYONET

Heater

21.5 V

Sections

1

Rectifier

Directly heated water-cooled half-wave rectifier for high-voltage AC-to-DC conversion. Its massive filament and liquid cooling support substantial industrial and communications power-supply service.

Base

Not recorded

Socket

UX4

Heater

21.5 V

Sections

1

Rectifier

Directly heated Eimac high-vacuum power rectifier for demanding rectifier and voltage-multiplier service. Rated for approximately 30 kV peak inverse voltage and 1 A DC output where gas-filled rectifiers are unsuitable.

Base

Not recorded

Socket

SPECIAL4

Heater

7.5 V

Sections

1

Rectifier

Directly heated mercury-vapor half-wave rectifier; 2.5 V, 7 A filament; 6.5 kV peak inverse voltage; 1.1 A peak current.

Base

Not recorded

Socket

UX4

Heater

2.5 V

Sections

1

Rectifier

Air-cooled directly heated half-wave mercury-vapor rectifier for high-voltage power supplies. Rated for approximately 7.5 kV peak inverse voltage and 375 mA nominal output with the low forward drop characteristic of mercury-vapor conduction.

Base

Not recorded

Socket

UX4

Heater

2.5 V

Sections

1

Rectifier

Directly heated Eimac high-vacuum rectifier for high-voltage power supplies. Rated for approximately 30 kV peak inverse voltage and 75 mA nominal output for specialized transmitter and industrial equipment.

Base

Not recorded

Socket

UX4

Heater

5 V

Sections

1

Rectifier

Directly heated Eimac high-vacuum rectifier for rectifier units, voltage multipliers, and specialized high-voltage applications. Rated for approximately 60 kV peak inverse voltage and 250 mA nominal output.

Base

Not recorded

Socket

J4

Heater

5 V

Sections

1

Rectifier

Directly heated Eimac high-vacuum rectifier for rectifier units, voltage multipliers, and specialized high-voltage equipment. Rated for approximately 15 kV peak inverse voltage and 350 mA nominal output.

Base

Not recorded

Socket

J4

Heater

5 V

Sections

1

Rectifier

Air-cooled directly heated half-wave mercury-vapor rectifier for high-voltage supplies. Rated for approximately 3.5 kV peak inverse voltage and 250 mA nominal output with a low mercury-vapor forward drop.

Base

Not recorded

Socket

MEDIUM4BAYONET

Heater

2.5 V

Sections

1

Rectifier

Air-cooled directly heated half-wave mercury-vapor rectifier for high-power DC supplies. Rated for approximately 20 kV peak inverse voltage and 2 A nominal output with a low conducting voltage drop.

Base

Not recorded

Socket

MEDIUM4BAYONET

Heater

5 V

Sections

1

Rectifier

Air-cooled directly heated half-wave mercury-vapor rectifier for substantial high-voltage supplies. Rated for approximately 7.5 kV peak inverse voltage and 375 mA nominal output with a low forward drop.

Base

Not recorded

Socket

UX4

Heater

2.5 V

Sections

1