Diode (NOT rectifier) vacuum tubes

Diode-Diode

Double-diode receiving valve for detector and low-level signal-rectification duties in radio receivers. Two diode sections provide paired detection or control-voltage functions from one compact envelope.

Base

Not recorded

Socket

Not recorded

Heater

13 V

Sections

2

Diode-Diode

Double-diode valve for radio detection and related signal rectification. Its two diode sections permit multiple detector or control-voltage functions, while the 19 V heater suits series-string receiver operation.

Base

Not recorded

Socket

B7G

Heater

19 V

Sections

2

Diode-Diode

Russian twin diode designed for high-frequency oscillation detection and conversion, providing paired rectifying sections for receiver detector and frequency-conversion circuitry.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

2

Diode-Diode

Twin high-vacuum diode for detector, discriminator, and general signal rectification, using a 12.6 V heater suitable for series-fed receiving equipment.

Base

70

Socket

Not recorded

Heater

12.6 V

Sections

2

Diode-Diode

Russian twin diode intended for high-frequency detection and signal conversion, with two rectifying sections and a relatively substantial 12.6 V heater.

Base

Not recorded

Socket

Not recorded

Heater

12.6 V

Sections

2

Diode

Diode documented by General Electric; the available source establishes the device identity but does not provide enough clear application evidence for a narrower functional classification.

Base

Not recorded

Socket

Not recorded

Heater

17.5 V

Sections

1

Diode-Diode-Diode

Triple high-perveance diode designed for AM detection and FM ratio-detector or discriminator applications, integrating three diode sections in one miniature envelope.

Base

9QM

Socket

B9A

Heater

18.9 V

Sections

3

Diode

Battery-operated RF detector diode intended for radio signal detection and low-level rectification. Its simple thermionic diode construction is optimized for receiving-equipment signal processing rather than power-supply rectification.

Base

5AP

Socket

B7G

Heater

1.4 V

Sections

1

Diode

Directly heated noise diode designed specifically as a noise source in electronic noise generators.

Base

Not recorded

Socket

B7G

Heater

5 V

Sections

1

Diode

Small low-capacitance high-vacuum diode designed for detector, switching, and special high-frequency instrument applications, with operation extending into UHF.

Base

Not recorded

Socket

Not recorded

Heater

5 V

Sections

1

Diode-Diode

Twin diode with separate cathodes for paired detector, discriminator, or control-voltage rectification functions in series-fed receiving equipment.

Base

Not recorded

Socket

Not recorded

Heater

9.5 V

Sections

2

Diode-Diode

Cossor twin-diode valve for detector, AVC, and related signal-rectification functions in battery receivers. Two diode sections permit complementary detector and control-voltage duties within one envelope.

Base

Not recorded

Socket

B5

Heater

2 V

Sections

2

Diode

Directly heated high-vacuum control diode designed as the controlling element in electronic stabilizer circuits.

Base

Not recorded

Socket

IO

Heater

4 V

Sections

1

Rectifier

Miniature directly heated high-voltage focus rectifier designed for television CRT focus-supply service.

Base

Not recorded

Socket

B9A

Heater

1.8 V

Sections

1

Diode-Diode

Common-cathode double diode for detector and signal-rectification service in AC/DC receivers and automobile radios, with a 13 V series-string heater.

Base

Not recorded

Socket

Not recorded

Heater

13 V

Sections

2

Diode-Diode

Common-cathode detector double diode electrically equivalent to 2D13C except for its base, intended for receiving-equipment signal rectification.

Base

Not recorded

Socket

Not recorded

Heater

13 V

Sections

2

Diode-Diode

Common-cathode double diode for detector and signal rectification in AC/DC and automobile receivers, using a 13 V heater suited to series-string operation.

Base

Not recorded

Socket

Not recorded

Heater

13 V

Sections

2

Diode

Indirectly heated UHF detector and measuring diode.

Base

Not recorded

Socket

Not recorded

Heater

2.3 V

Sections

1

Diode

Russian diode documented in technical reference literature; available source material does not clearly establish a narrower specialized functional role.

Base

Not recorded

Socket

Not recorded

Heater

1.4 V

Sections

1

Diode

Russian diode documented in technical reference literature; available source material does not clearly establish a narrower specialized functional role.

Base

Not recorded

Socket

Not recorded

Heater

2.2 V

Sections

1

Diode

Russian diode documented in technical reference literature; available source material does not clearly establish a narrower specialized functional role.

Base

Not recorded

Socket

Not recorded

Heater

1.4 V

Sections

1

Diode

Russian diode documented in technical reference literature; available source material does not clearly establish a narrower specialized functional role.

Base

Not recorded

Socket

Not recorded

Heater

3.7 V

Sections

1

Diode-Diode

Double diode for detector, discriminator, and general signal-rectifier service, with paired thermionic sections for balanced or complementary functions.

Base

Not recorded

Socket

B7G

Heater

2.1 V

Sections

2

Diode-Diode

Indirectly heated dual detector and discriminator diode.

Base

Not recorded

Socket

Not recorded

Heater

2.2 V

Sections

2

Diode

Western Electric heater-cathode special-purpose diode documented in the manufacturer's diode table; available source does not clearly establish a narrower application.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Diode-Diode

High-perveance twin diode intended especially for FM and television detection, including balanced ratio-detector circuits and related discriminator service.

Base

E7-1

Socket

B7G

Heater

3.15 V

Sections

2

Diode

3D6AV diode (not rectifier) electronic tube specifications and datasheets.

Base

Not recorded

Socket

Not recorded

Heater

3.15 V

Sections

1

Diode

Two-electrode high-vacuum laboratory tube designed for studying fundamental electron phenomena, using a pure tungsten filament for emission experiments.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Diode

High-voltage diode designed specifically for electrostatic voltmeter service, with published construction and operating limits for measurement applications.

Base

Not recorded

Socket

SPECIAL4LOWLOSS

Heater

2.5 V

Sections

1

Diode

Inert-gas-filled cold-cathode two-electrode tube designed for message-register, switching, pulse-counting, and control circuits.

Base

Not recorded

Socket

UX4

Heater

Not recorded

Sections

1

Diode

Low-capacitance acorn diode designed for high-frequency detector service, using compact construction to minimize anode-cathode capacitance.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Diode

Directly heated diode for voltage-regulator service.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Diode

Directly heated diode for voltage-regulator service.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Diode

4D5S diode (not rectifier) electronic tube specifications and datasheets.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Diode

Directly heated saturated diode designed for stabilizing circuits, using controlled saturated-emission characteristics as an electronic reference or control element.

Base

RIMLOCK

Socket

Not recorded

Heater

4.6 V

Sections

1

Rectifier

Subminiature directly heated high-voltage half-wave vacuum rectifier with approximately 10 kV inverse capability, suitable for high-frequency and pulsed rectifier service.

Base

Special2Lead

Socket

SPECIAL2

Heater

1.25 V

Sections

1

Diode-Diode

Cathode-type twin diode for detector, discriminator, clipping, and general signal rectification, providing two compact thermionic rectifiers in one envelope.

Base

7CX

Socket

B7G

Heater

6.3 V

Sections

2

Diode

Subminiature cathode-type diode designed for VHF detector applications and usable as a compact half-wave rectifier.

Base

5704

Socket

B9A

Heater

6.3 V

Sections

1

Diode

5704WA diode (not rectifier) electronic tube specifications and datasheets.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Diode

Tungsten-filament diode designed as an RF noise generator, with published operation extending into the VHF range.

Base

Not recorded

Socket

Not recorded

Heater

4.9 V

Sections

1

Diode-Diode

Ruggedized dual diode with separate cathodes for detector, rectifier, switching, and instrumentation service in demanding industrial or communications equipment.

Base

E7-1

Socket

B7G

Heater

6.3 V

Sections

2

Diode-Diode

Special high-frequency twin diode intended for detector and low-current rectifier service, providing paired sections for RF signal processing.

Base

5829

Socket

Not recorded

Heater

6.3 V

Sections

2

Diode-Diode

Premium rugged subminiature twin diode with independently shielded sections for military and industrial detector service to approximately 400 MHz.

Base

Not recorded

Socket

SUBMINIATURE8

Heater

6.3 V

Sections

2

Diode-Diode

Temperature-limited tungsten-filament double diode whose plate current is deliberately controlled by filament voltage, intended for specialized regulation, measurement, or signal-processing circuits.

Base

Not recorded

Socket

B7G

Heater

4.3 V

Sections

2

Diode-Diode

Subminiature twin diode with separate cathodes for detector, AGC, and low-current rectifier service in industrial and communications equipment.

Base

8DJ

Socket

SUBMINIATURE8

Heater

6.3 V

Sections

2

Diode-Diode

High-perveance double diode for detector applications in low-current series-string equipment, using an unusual 26.5 V, 75 mA heater.

Base

8DJ

Socket

SUBMINIATURE8

Heater

26.5 V

Sections

2

Diode

5935 diode (not rectifier) electronic tube specifications and datasheets.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Diode

Temperature-limited tungsten-filament diode designed as a stable reference source for voltage regulators and circuits requiring predictable temperature-limited emission characteristics.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1