Electronic tube and vacuum tube catalog

Base

—

Socket code

—

Electrical Summary

Heater	13 V / 200 mA
Ik max	S1: 1 mAS2: 1 mA

Sections

2

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

—

Socket code

B7G

Electrical Summary

Heater	19 V / 100 mA
Ik max	S1: 9 mAS2: 9 mA
Rectifier	S1: 9 mA
V Inverse	S1: 500 V

Sections

2

7 pins - B7G - Miniature 7-contact

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

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Socket code

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Electrical Summary

-

Sections

2

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

Base

70

Socket code

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Electrical Summary

Heater	12.6 V / 150 mA
Ik max	S1: 8 mA
Rectifier	S1: 8 mA
V Drop	S1: 11 V
V Inverse	S1: 420 V

Sections

2

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

Base

—

Socket code

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Electrical Summary

Heater	12.6 V / 735 mA

Sections

2

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

Base

—

Socket code

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Electrical Summary

Heater	9.5 V / 200 mA
Rectifier	S1: 9 mA
V Inverse	S1: 500 V

Sections

2

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

Base

—

Socket code

B5

Electrical Summary

Heater	2 V / 200 mA

Sections

2

5 pins - B5 - European 5-pin base

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

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Socket code

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Electrical Summary

Heater	13 V / 200 mA
V Inverse	S1: 200 V

Sections

2

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

—

Socket code

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Electrical Summary

Heater	13 V / 200 mA
V Inverse	S1: 200 V

Sections

2

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

Base

—

Socket code

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Electrical Summary

Heater	13 V / 200 mA
V Inverse	S1: 200 V

Sections

2

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

—

Socket code

B7G

Electrical Summary

Heater	2.1 V / 450 mA
Ik max	S1: 5 mAS2: 5 mA
V Drop	S1: 5 V

Sections

2

7 pins - B7G - Miniature 7-contact

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

Base

—

Socket code

—

Electrical Summary

Heater	2.2 V / 130 mA

Sections

2

Indirectly heated dual detector and discriminator diode.

Base

E7-1

Socket code

B7G

Electrical Summary

Heater	3.15 V / 600 mA
Rectifier	S1: 9 mA
V Drop	S1: 10 V
V Inverse	S1: 330 V

Sections

2

7 pins - B7G - Miniature 7-contact

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

Base

7CX

Socket code

B7G

Electrical Summary

Heater	6.3 V / 150 mA
Rectifier	S1: 8 mA
V Drop	S1: 11 V

Sections

2

7 pins - B7G - Miniature 7-contact

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

Base

E7-1

Socket code

B7G

Electrical Summary

Heater	6.3 V / 300 mA
Plate	S1: 0.25 W
Rectifier	S1: 10 mA
V Inverse	S1: 360 V

Sections

2

7 pins - B7G - Miniature 7-contact

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

Base

5829

Socket code

—

Electrical Summary

Heater	6.3 V / 150 mA
Rectifier	S1: 5 mA
V Drop	S1: 5 V
V Inverse	S1: 320 V

Sections

2

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

Base

—

Socket code

SUBMINIATURE8

Electrical Summary

Heater	6.3 V / 300 mA
Rectifier	S1: 5 mA
V Drop	S1: 5 V
V Inverse	S1: 350 V

Sections

2

8 pins - SUBMINIATURE8 - Subminiature 8-lead base

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

Base

Refer to variations

Socket code

B7G

Electrical Summary

Heater	4.3 V / 435 mA
Plate	S1: 300 V
Ik max	S1: 2 mA

Sections

2

7 pins - B7G - Miniature 7-contact

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

8DJ

Socket code

SUBMINIATURE8

Electrical Summary

Heater	6.3 V / 300 mA
Rectifier	S1: 10 mA
V Drop	S1: 4.5 V
V Inverse	S1: 460 V

Sections

2

8 pins - SUBMINIATURE8 - Subminiature 8-lead base

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

Base

8DJ

Socket code

SUBMINIATURE8

Electrical Summary

Heater	26.5 V / 75 mA
Rectifier	S1: 10 mA
V Drop	S1: 4.5 V
V Inverse	S1: 460 V

Sections

2

8 pins - SUBMINIATURE8 - Subminiature 8-lead base

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

Base

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Socket code

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Electrical Summary

Heater	6.3 V / 360 mA
V Inverse	S1: 460 VS2: 460 V

Sections

2

Subminiature twin diode designed for detector and signal-rectification operation through the UHF region, with compact construction minimizing high-frequency parasitic effects.

Base

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Socket code

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Electrical Summary

Heater	26.5 V / 85 mA
V Inverse	S1: 460 VS2: 460 V

Sections

2

Subminiature high-frequency double diode for detector and signal rectification, using a 26.5 V low-current heater for specialized series-string equipment.

Base

6BT

Socket code

B7G

Electrical Summary

Heater	6.3 V / 300 mA
V Inverse	S1: 420 V

Sections

2

7 pins - B7G - Miniature 7-contact

Ruggedized twin diode for detector, discriminator, clipping, and related signal rectification in communications, instrumentation, and industrial equipment.

Base

6BT

Socket code

UX6

Electrical Summary

Heater	6.3 V / 300 mA
Rectifier	S1: 9 mA
V Inverse	S1: 420 V

Sections

2

6 pins - UX6 - Small 6-contact

Special 6AL5-family twin diode for detector, discriminator, clipping, and general signal rectification using a conventional 6.3 V heater.

Base

—

Socket code

IO

Electrical Summary

Heater	6.3 V / 300 mA
Rectifier	S1: 10 mA
V Inverse	S1: 360 V

Sections

2

8 pins - IO - International Octal

Ruggedized miniature twin diode for clippers, clampers, FM/AM detectors, and discriminators in military, industrial, and airborne equipment.

Base

8EY

Socket code

B8D

Electrical Summary

Heater	3 V / 360 mA
Plate	S1: 275 VS2: 250 V
Ik max	S2: 1.1 mA
Rectifier	S1: 1.1 mA

Sections

2

8 pins - B8D - Subminiature 8-lead

Subminiature temperature-limited double diode with tungsten filament, whose plate current depends on filament voltage for specialized measurement or control applications.

Base

—

Socket code

B7G

Electrical Summary

Heater	6.3 V / 150 mA
Plate	S1: 275 VS2: 275 V
Ik max	S1: 9 mAS2: 9 mA
Rectifier	S1: 10 mA
V Drop	S1: 10 V
V Inverse	S1: 275 V

Sections

2

7 pins - B7G - Miniature 7-contact

High-perveance industrial twin diode for FM discrimination, clipping, switching, isolation, and related signal-rectification applications.

Base

6BT

Socket code

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Electrical Summary

Heater	6.3 V / 300 mA
Rectifier	S1: 9 mA
V Drop	S1: 10 V
V Inverse	S1: 330 V

Sections

2

6 pins

Twin diode for detector, discriminator, clipping, and general signal rectification in receiving, communications, and general electronic equipment.

Base

—

Socket code

B9A

Electrical Summary

Heater	6.3 V / 200 mA
Rectifier	S1: 10 mA
V Inverse	S1: 360 V

Sections

2

9 pins - B9A - Small-button Noval 9-contact

RCA twin diode designed specifically for switching circuits in medium-speed electronic computers, using a relatively low-wattage heater for economical digital operation.

Base

E7-1

Socket code

B7G

Electrical Summary

Heater	6.3 V / 300 mA
Plate	S1: 0.25 W
Ik max	S1: 10 mA
Rectifier	S1: 9 mA
V Drop	S1: 10 V
V Inverse	S1: 330 V

Sections

2

7 pins - B7G - Miniature 7-contact

Standard miniature twin diode for detector, phase-comparator, discriminator, clipping, switching, and general signal-rectification service.

Base

9M

Socket code

B7G

Electrical Summary

Heater	6.3 V / 300 mA
Ik max	S1: 10 mA
Rectifier	S1: 9 mA
V Inverse	S1: 360 V

Sections

2

7 pins - B7G - Miniature 7-contact

Ruggedized special-quality 6AL5-family twin diode for detector, discriminator, clipping, and switching service in demanding military and industrial equipment.

Base

—

Socket code

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Electrical Summary

Heater	6.3 V / 300 mA
Rectifier	S1: 9 mA
V Inverse	S1: 420 V

Sections

2

Low-resistance EAA91-family twin diode intended particularly for FM ratio detectors and related balanced detector or discriminator circuits.

Base

8DF

Socket code

IO

Electrical Summary

Heater	6.3 V / 150 mA
Rectifier	S1: 4 mA
V Drop	S1: 10 V
V Inverse	S1: 420 V

Sections

2

8 pins - IO - International Octal

Subminiature general-purpose double diode for detector and half-wave rectifier applications, providing two independent low-current rectifying sections.

Base

—

Socket code

B7G

Electrical Summary

Heater	6.3 V / 300 mA
Plate	S1: 0.25 W
Ik max	S1: 9 mAS2: 9 mA
Rectifier	S1: 9 mA
V Inverse	S1: 420 V

Sections

2

7 pins - B7G - Miniature 7-contact

EAA91-equivalent twin diode with separate cathodes for detector, discriminator, clipping, switching, and general signal-rectification service.

Base

6BT

Socket code

—

Electrical Summary

Heater	6.3 V / 300 mA
Rectifier	S1: 12 mA
V Drop	S1: 10 V
V Inverse	S1: 550 V

Sections

2

9 pins

Miniature double diode suited to low-current applications including full-wave rectification and general signal rectifier service.

Base

—

Socket code

—

Electrical Summary

Heater	6.3 V

Sections

2

Russian miniature double diode designed for detector, discriminator, and low-power rectifier service.

Base

—

Socket code

—

Electrical Summary

Heater	6.3 V

Sections

2

Russian dual diode documented in the manufacturer source; available application detail is insufficient to justify a narrower functional classification.

Base

—

Socket code

—

Electrical Summary

-

Sections

2

Russian dual-diode variant documented in the manufacturer source; available application detail is insufficient for a narrower functional classification.

Base

7O

Socket code

IO

Electrical Summary

Heater	6.3 V / 300 mA
Plate	S1: 420 V
Ik max	S1: 8 mA
Rectifier	S1: 8 mA
V Drop	S1: 11 V
V Inverse	S1: 420 V

Sections

2

8 pins - IO - International Octal

Twin diode with separate cathodes designed for detector, automatic-volume-control rectifier, and low-drain power-rectifier applications.

Base

—

Socket code

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Electrical Summary

Heater	6.3 V / 300 mA
Rectifier	S1: 8 mA
V Inverse	S1: 420 V

Sections

2

7 pins

Indirectly heated double-diode detector valve intended for radio signal detection and related rectifier functions.

Base

7O

Socket code

—

Electrical Summary

Heater	6.3 V / 300 mA
Rectifier	S1: 8 mA
V Drop	S1: 11 V
V Inverse	S1: 420 V

Sections

2

7 pins

Glass-tubular indirectly heated double-diode detector valve intended for radio signal detection and related rectifier functions.

Base

7

Socket code

—

Electrical Summary

Heater	6.3 V / 300 mA
Rectifier	S1: 8 mA
V Drop	S1: 11 V
V Inverse	S1: 330 V

Sections

2

7 pins

Glass-tubular twin diode designed for detector, automatic-volume-control, and low-drain rectifier service.

Base

—

Socket code

—

Electrical Summary

Heater	6.3 V / 300 mA

Sections

2

Indirectly heated oxide-cathode dual diode designed for signal detection.

Base

—

Socket code

—

Electrical Summary

Heater	6.3 V

Sections

2

Russian double diode designed for signal detection in receiving equipment.

Base

—

Socket code

B7G

Electrical Summary

Heater	6.3 V / 300 mA
Plate	S1: 0.25 W
Rectifier	S1: 17 mA
V Inverse	S1: 420 V

Sections

2

7 pins - B7G - Miniature 7-contact

Miniature double diode for detector, discriminator, and low-power rectifier service, with high-frequency capability extending into the UHF range.

Base

—

Socket code

B7G

Electrical Summary

Heater	6.3 V / 300 mA
Rectifier	S1: 17 mA
V Inverse	S1: 450 V

Sections

2

7 pins - B7G - Miniature 7-contact

Long-life Russian miniature double diode designed for detector and low-power rectifier service.

Base

—

Socket code

B7G

Electrical Summary

Heater	6.3 V / 300 mA
V Inverse	S1: 420 V

Sections

2

7 pins - B7G - Miniature 7-contact

Russian dual-diode variant documented with electrical characteristics but insufficient application information for a narrower functional assignment.

Base

—

Socket code

B7G

Electrical Summary

Heater	6.3 V / 300 mA
V Inverse	S1: 420 V

Sections

2

7 pins - B7G - Miniature 7-contact

Russian dual-diode variant documented with electrical characteristics but insufficient application information for a narrower functional assignment.

Base

—

Socket code

B7G

Electrical Summary

Heater	6.3 V / 300 mA
V Inverse	S1: 420 V

Sections

2

7 pins - B7G - Miniature 7-contact

Russian dual-diode variant documented with electrical characteristics but insufficient application information for a narrower functional assignment.

Base

—

Socket code

IO

Electrical Summary

Heater	6.3 V / 300 mA
Rectifier	S1: 8.8 mA
V Inverse	S1: 465 V

Sections

2

8 pins - IO - International Octal

Russian octal double diode designed for signal detection, with two similar diode sections.