Rectifier - Half Wave vacuum tubes

Rectifier

Western Electric three-electrode cold-cathode gas-filled tube for relay, rectifier, voltage-regulator, and control service in industrial and communications equipment.

Base

Not recorded

Socket

UX4

Heater

Not recorded

Sections

1

Rectifier

Philips directly heated single-anode gas-filled rectifier designed particularly for battery charging. Gas-discharge conduction and ampere-class output suit small lead-acid charging banks and related industrial DC supplies.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

Rectifier

Cold-cathode glow visual-signal tube rather than a conventional power rectifier. Its gas-discharge construction is intended to provide a visible indication or signaling function without a heater supply.

Base

Not recorded

Socket

UX4

Heater

Not recorded

Sections

1

Rectifier

Indirectly heated half-wave rectifier for 150 mA series-heater AC/DC receiver supplies, with a heater tap for a dial lamp. Its compact miniature construction became common in transformerless radios.

Base

7-pin miniature

Socket

B7G

Heater

35 V

Sections

1

Rectifier

Indirectly heated half-wave rectifier for 150 mA series-heater AC/DC receiver supplies. Its 35 V heater and moderate current capability suit transformerless electronic equipment.

Base

Not recorded

Socket

Not recorded

Heater

35 V

Sections

1

Rectifier

Lock-in single-diode half-wave power rectifier for AC/DC receiver supplies. Its 35 V series-string heater and moderate output capability suit transformerless radio equipment.

Base

5AL

Socket

B8A

Heater

35 V

Sections

1

Rectifier

Indirectly heated half-wave high-vacuum rectifier for line-operated receiver supplies. Its 35 V, 150 mA heater and moderate current capability suit transformerless radios.

Base

4Z

Socket

B7G

Heater

35 V

Sections

1

Rectifier

Indirectly heated half-wave high-vacuum rectifier for line-operated power supplies. Its 35 V series-string heater provides conventional moderate-current transformerless receiver rectification.

Base

Not recorded

Socket

Not recorded

Heater

35 V

Sections

1

Rectifier

GT-envelope indirectly heated half-wave high-vacuum rectifier for line-operated receiver supplies. Its 35 V series-string heater supports conventional transformerless B-plus service.

Base

5AA

Socket

IO

Heater

35 V

Sections

1

Rectifier

Indirectly heated high-vacuum half-wave rectifier with a tapped 35 V heater for pilot-lamp operation. It is designed for AC/DC receiver power supplies.

Base

6AD-0-0

Socket

OCTAL6

Heater

35 V

Sections

1

Rectifier

Glass-octal half-wave vacuum rectifier for AC/DC receiver supplies, with a tapped 35 V heater for a panel lamp. It provides conventional transformerless B-plus rectification.

Base

6AD-0-0

Socket

IO

Heater

35 V

Sections

1

Rectifier

Indirectly heated half-wave rectifier with a tapped 36 V heater for series-string television power supplies. Its controlled heater arrangement also supports panel-lamp operation.

Base

7-pin miniature

Socket

B7G

Heater

36 V

Sections

1

Rectifier

Low-drop indirectly heated half-wave vacuum rectifier with a tapped 36 V heater for series-string equipment. It provides conventional mains rectification with reduced conducting voltage.

Base

7-pin miniature

Socket

B7G

Heater

36 V

Sections

1

Rectifier

Indirectly heated half-wave rectifier with a controlled-warmup tapped heater for series-string equipment and panel-lamp shunting. It is a conventional power-supply rectifier rather than a damper diode.

Base

5BQ

Socket

B7G

Heater

36 V

Sections

1

Rectifier

Half-wave high-vacuum rectifier for series-heater receiving equipment. Its 35 V heater and moderate current capability suit transformerless radio and similar electronic supplies.

Base

5BQ

Socket

B7G

Heater

35 V

Sections

1

Rectifier

Directly heated high-vacuum rectifier for high-voltage industrial supplies. Its heavy filament, tens-of-kilovolts inverse-voltage capability, and substantial current suit demanding professional DC systems.

Base

Not recorded

Socket

J4

Heater

5 V

Sections

1

Rectifier

Western Electric heater-cathode special-purpose diode for low-current rectification. Its modest current capability suits signal and auxiliary DC applications rather than substantial power supplies.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Rectifier

Early half-wave rectifier for receiving-equipment power supplies. Available manufacturer material confirms the rectifier role and conventional heater operation without supporting a narrower specialized function.

Base

Not recorded

Socket

UX4

Heater

7.5 V

Sections

1

Rectifier

Directly heated hot-cathode xenon-filled half-wave rectifier for high-voltage supplies. Its heavy filament, gas-assisted conduction, and substantial current capability suit industrial power systems.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

Rectifier

Half-wave high-vacuum rectifier for equipment using series-connected heaters. Its 38 V heater and useful current capability suit transformerless electronic power supplies.

Base

Not recorded

Socket

B9A

Heater

38 V

Sections

1

Rectifier

Sylvania high-voltage half-wave rectifier for specialized power supplies. Its very low heater power and roughly 30 kV inverse-voltage capability emphasize compact high-voltage service.

Base

Not recorded

Socket

Not recorded

Heater

3.15 V

Sections

1

Rectifier

Directly heated gas-filled rectifier for industrial and high-current power supplies. Its gas-discharge construction and multiampere peak capability distinguish it from ordinary vacuum rectifiers.

Base

Not recorded

Socket

UX4

Heater

Not recorded

Sections

1

Rectifier

Directly heated half-wave high-vacuum rectifier with thoriated-tungsten filament and flexible filament connections. Its high inverse-voltage capability suits specialized high-voltage supplies.

Base

8EA

Socket

UX4

Heater

2.5 V

Sections

1

Rectifier

Ruggedized directly heated half-wave high-vacuum rectifier with bonded-thoria tungsten filament for severe shock and vibration. High inverse-voltage capability suits demanding professional equipment.

Base

Not recorded

Socket

MEDIUM4BAYONET

Heater

5 V

Sections

1

Rectifier

RCA directly heated gas-filled high-voltage half-wave rectifier for transmitting and industrial supplies. Its heavy filament and gas-assisted conduction provide substantial current at high voltage.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

Rectifier

Rugged high-vacuum diode for high-voltage clipping and rectifier applications. Its heavy heater, high inverse-voltage capability, and strong short-duration current handling suit pulse circuits.

Base

8X

Socket

IO

Heater

2.5 V

Sections

1

Rectifier

Electronic Enterprises 3B27 indirectly heated high-vacuum half-wave rectifier with 2.5 V 5 A heater, 60-second warm-up and up to 8500 V peak inverse voltage under specified current limits.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

Rectifier

Rugged xenon-filled high-voltage half-wave rectifier for military and industrial supplies over a wide temperature range. Gas-assisted conduction provides substantial current with reliable severe-environment operation.

Base

Not recorded

Socket

UX4

Heater

2.5 V

Sections

1

Rectifier

Rugged high-vacuum diode for clipping and high-voltage rectifier service. Its heavy heater and high inverse-voltage capability suit demanding professional pulse and power-supply applications.

Base

SEE DATA

Socket

MEDIUM4BAYONET

Heater

2.5 V

Sections

1

Rectifier

Sylvania high-voltage rectifier for very-low-current power supplies. Operating from a 3.15 V heater, it provides approximately 1.1 mA rectified DC output, with additional high-voltage limits retained in source-derived data.

Base

Not recorded

Socket

IO

Heater

3.15 V

Sections

1

Rectifier

Directly heated water-cooled half-wave rectifier for very-high-voltage power conversion. Rated for approximately 45 kV peak inverse voltage, with liquid cooling supporting demanding continuous industrial and high-power electronic service.

Base

Not recorded

Socket

Not recorded

Heater

20.5 V

Sections

1

Rectifier

Directly heated water-cooled half-wave rectifier for very-high-voltage supplies. Rated for approximately 45 kV peak inverse voltage, with water cooling permitting substantial continuous industrial rectifier operation.

Base

Not recorded

Socket

Not recorded

Heater

19 V

Sections

1

Rectifier

Directly heated hot-cathode mercury-vapor half-wave rectifier with oxide-coated shielded filament. Rated for approximately 7 kV peak inverse voltage and 1.5 A peak anode current, with a specified warm-up delay.

Base

Not recorded

Socket

EDISON

Heater

2.7 V

Sections

1

Rectifier

Indirectly heated half-wave mercury-vapor rectifier for high-voltage power conversion. Rated for approximately 20 kV peak inverse voltage and 1.25 A nominal rectified output for substantial industrial DC supplies.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Rectifier

Directly heated oxide-filament half-wave mercury-vapor rectifier for power conversion. Rated for approximately 1.6 kV peak inverse voltage, with published operating conditions covering multi-valve rectifier circuits.

Base

Not recorded

Socket

B4

Heater

1.8 V

Sections

1

Rectifier

Directly heated high-voltage half-wave mercury-vapor rectifier for substantial power supplies. Rated for approximately 10 kV peak inverse voltage and 1.25 A nominal output for multi-valve rectifier systems.

Base

Not recorded

Socket

GOLIATH

Heater

4 V

Sections

1

Rectifier

Indirectly heated half-wave mercury-vapor rectifier for high-voltage power conversion. Rated for approximately 20 kV peak inverse voltage and 1.25 A nominal rectified output for substantial industrial DC supplies.

Base

Not recorded

Socket

GOLIATH

Heater

4 V

Sections

1

Rectifier

Directly heated radiation-cooled thermionic half-wave rectifier for high-voltage supplies. Rated for approximately 25 kV peak inverse voltage for industrial and other demanding electronic rectification applications.

Base

Not recorded

Socket

Not recorded

Heater

12.5 V

Sections

1

Rectifier

Indirectly heated hot-cathode mercury-vapor half-wave rectifier for substantial power conversion. Rated for approximately 10 kV peak inverse voltage and 1.25 A nominal output for industrial DC supplies.

Base

Not recorded

Socket

GOLIATH

Heater

5 V

Sections

1

Rectifier

Indirectly heated hot-cathode mercury-vapor half-wave rectifier for high-voltage power conversion. Rated for approximately 10 kV peak inverse voltage and 1.25 A nominal output for substantial industrial supplies.

Base

Not recorded

Socket

GOLIATH

Heater

5 V

Sections

1

Rectifier

Directly heated half-wave high-vacuum rectifier, formerly coded VLS.61, for specialized high-voltage service. Rated for approximately 15 kV peak inverse voltage for low-current high-voltage electronic supplies.

Base

Not recorded

Socket

B4

Heater

2 V

Sections

1

Rectifier

Indirectly heated hot-cathode mercury-vapor half-wave rectifier for high-voltage supplies. Rated for approximately 16 kV peak inverse voltage and 1.25 A nominal output for substantial industrial power conversion.

Base

Not recorded

Socket

GOLIATH

Heater

5 V

Sections

1

Rectifier

Directly heated hot-cathode mercury-vapor half-wave rectifier for high-voltage, high-current conversion. Rated for approximately 20 kV peak inverse voltage and 2.5 A nominal rectified output.

Base

Not recorded

Socket

SPECIAL2

Heater

5 V

Sections

1

Rectifier

Directly heated hot-cathode mercury-vapor half-wave rectifier for heavy power conversion. Rated for approximately 20 kV peak inverse voltage and 7.5 A nominal output for high-current industrial supplies.

Base

Special 2-pin

Socket

SPECIAL2

Heater

5 V

Sections

1

Rectifier

Directly heated hot-cathode mercury-vapor half-wave rectifier for extremely high-current power conversion. Rated for approximately 16 kV peak inverse voltage and 20 A nominal output for heavy industrial supplies.

Base

Special 2-pin

Socket

SPECIAL2

Heater

5 V

Sections

1

Rectifier

Indirectly heated half-wave rectifier for series-heater AC/DC receiver power supplies. Its 40 V heater construction provides approximately 75 mA nominal rectified output for transformerless line-operated equipment.

Base

Not recorded

Socket

B4

Heater

40 V

Sections

1

Rectifier

Cathode-type half-wave rectifier for AC/DC receiver supplies. Its high-voltage heater construction permits series-string line operation in transformerless receivers without requiring a separate rectifier filament winding.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

Rectifier

Cossor half-wave power-supply rectifier for conventional AC-to-DC conversion. Its heater-cathode construction provides rectification for receiver, amplifier, and other general-purpose electronic DC supplies.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1