Electronic tube and vacuum tube catalog

Base

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Socket code

—

Sections

1

Heater

17.5 V / 300 mA

Ik max

75 mA

9 pins

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

5AP

Socket code

B7G

Sections

1

Heater

1.4 V / 150 mA

Ik max

0.5 mA

Rectifier

0.5 mA

V Inverse

330 V

7 pins - B7G - Miniature 7-contact

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

—

Socket code

B7G

Sections

1

Heater

5 V / 1.5 A

Plate

150 V

7 pins - B7G - Miniature 7-contact

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

Base

—

Socket code

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Sections

1

Heater

5 V / 300 mA

Plate

0.1 W

Rectifier

1 mA

V Inverse

1,000 V

rP

8,000 Ω

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

Base

—

Socket code

IO

Sections

1

Heater

4 V / 800 mA

Plate

100 V

Ik max

3 mA

8 pins - IO - International Octal

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

Base

—

Socket code

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Sections

1

Heater

2.3 V / 400 mA

Indirectly heated UHF detector and measuring diode.

Base

—

Socket code

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Sections

1

Heater

1.4 V / 1.45 A

Plate

200 V / 5 W

gm

0.1 mA/V

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

Base

—

Socket code

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Sections

1

Heater

2.2 V / 110 mA

Plate

150 V / 6 W

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

Base

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Socket code

—

Sections

1

Heater

1.4 V / 2.12 A

Plate

400 V / 6 W

Ik max

5.5 mA

gm

0.03 mA/V

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

Base

—

Socket code

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Sections

1

Heater

3.7 V / 550 mA

Plate

500 V

gm

0.03 mA/V

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

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 150 mA

Rectifier

5 mA

V Inverse

500 V

9 pins

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

Base

—

Socket code

—

Sections

1

Heater

3.15 V / 320 mA

V Inverse

450 V

Base

—

Socket code

—

Sections

1

Heater

4 V / 2.25 A

Plate

125 V / 15 W

4 pins

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

Base

—

Socket code

SPECIAL4LOWLOSS

Sections

1

Heater

2.5 V / 8 A

Rectifier

1 mA

V Inverse

20,000 V

4 pins - SPECIAL4LOWLOSS - Special 4-contact low-loss base

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

Base

—

Socket code

UX4

Sections

1

Ik max

200 mA

4 pins - UX4 - Medium-shell UX 4-contact

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

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 180 mA

Plate

180 V

4 pins

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

Base

—

Socket code

—

Sections

1

Heater

4 V / 1.8 A

Plate

1.2 W

Directly heated diode for voltage-regulator service.

Base

—

Socket code

—

Sections

1

Heater

4 V / 1.8 A

Plate

1 W

Directly heated diode for voltage-regulator service.

Base

—

Socket code

—

Sections

1

Heater

4 V / 210 mA

Base

RIMLOCK

Socket code

—

Sections

1

Heater

4.6 V / 155 mA

Plate

300 V

Ik max

0.4 mA

8 pins

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

Base

5704

Socket code

B9A

Sections

1

Heater

6.3 V / 150 mA

Rectifier

9 mA

V Drop

2 V

V Inverse

420 V

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

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

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 150 mA

Rectifier

10 mA

V Inverse

460 V

Base

—

Socket code

—

Sections

1

Heater

4.9 V / 1.6 A

Plate

5 W

Ik max

35 mA

8 pins

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

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 150 mA

Base

—

Socket code

—

Sections

1

Heater

1 A

8 pins

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

Base

—

Socket code

—

Sections

1

Heater

2.5 A

Coaxial tungsten-filament noise diode designed as a calibrated noise source for HF and UHF measurements, with broadband operation extending to approximately 3 GHz.

Base

6173

Socket code

—

Sections

1

Heater

6.3 V / 135 mA

Rectifier

5.5 mA

V Inverse

1,000 V

Pencil-type high-perveance UHF diode designed for pulse detection and pulse-power measurement at frequencies extending to approximately 3.3 GHz.

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Heater

6.3 V / 300 mA

Plate

100 V

Ik max

5 mA

V Inverse

1,000 V

3 pins

Disc-seal vacuum diode designed for UHF voltmeters and monitoring instruments, with probe-adaptable anode connection for direct measurement applications.

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 150 mA

Rectifier

47 mA

V Inverse

350 V

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 750 mA

Plate

0.5 W

V Inverse

100 V

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 210 mA

Plate

1 W

Ik max

0.2 mA

V Inverse

450 V

Russian subminiature metal-glass UHF diode designed for detection and rectification in electronic voltmeters and centimeter-wave radio circuits.

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 210 mA

Plate

1 W

V Inverse

450 V

Pulse-service Russian subminiature metal-glass UHF diode designed for detection and rectification in centimeter-wave measurement and radio equipment.

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 330 mA

Plate

0.5 W

Russian metal-glass disc-terminal UHF diode designed for detecting pulsed oscillations in the two-centimeter wavelength band.

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 330 mA

Plate

0.5 W

V Inverse

200 V

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 240 mA

Plate

1 W

Ik max

2 A

V Inverse

450 V

Russian subminiature metal-glass UHF diode designed for detection of pulsed microwave signals.

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 260 mA

Plate

1 W

Ik max

2 A

V Inverse

450 V

Extended-service Russian subminiature metal-glass UHF diode designed for pulsed microwave detection, with enhanced service and environmental ratings.

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 775 mA

V Inverse

200 V

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 150 mA

V Inverse

365 V

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 150 mA

Plate

0.2 W

Rectifier

10 mA

V Inverse

450 V

4 pins

Subminiature Russian high-voltage diode designed for detection and rectification of RF and microwave oscillations.

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 150 mA

Plate

0.2 W

Rectifier

10 mA

V Inverse

450 V

4 pins

Ruggedized subminiature Russian high-voltage diode for RF and microwave detection or rectification under stronger environmental conditions.

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 450 mA

Plate

0.01 W

V Inverse

150 V

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 300 mA

V Inverse

450 V

8 pins

Russian vacuum diode documented with electrical characteristics and ratings but without sufficient functional application detail for a narrower classification.

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 300 mA

V Inverse

450 V

8 pins

Russian vacuum diode variant documented with electrical characteristics and ratings but insufficient application detail for a narrower functional classification.

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 300 mA

V Inverse

450 V

8 pins

Russian vacuum diode variant documented with electrical characteristics and ratings but insufficient application detail for a narrower functional classification.

Base

—

Socket code

—

Sections

1

Heater

4.5 V / 500 mA

Rectifier

10 mA

V Inverse

1,500 V

3 pins

Western Electric special-purpose heater-cathode diode with a 1500-volt peak-inverse rating for specialized rectification service.

Base

—

Socket code

—

Sections

1

Heater

5 V / 14 A

Plate

30,000 V

Ik max

500 mA

Rectifier

500 mA

V Inverse

30,000 V

Hydrogen-filled high-current diode designed as a pulse-transformer backswing clipper in high-power pulse circuits.

Base

—

Socket code

B4A

Sections

1

Heater

7 V / 7 A

Plate

75 W

Rectifier

500 mA

V Inverse

25,000 V

4 pins - B4A - 4-contact B4A physical base

Air-cooled special-purpose heater-cathode diode rated for 25 kV peak inverse voltage and 10 A peak current.

Base

—

Socket code

—

Sections

1

Heater

6.3 V / 215 mA

Rectifier

2.2 mA

Metal-ceramic vacuum diode; available manufacturer documentation does not provide enough application detail to justify a narrower functional category.

Base

Refer to variations

Socket code

B7G

Sections

1

7 pins - B7G - Miniature 7-contact

Cold-cathode inert-gas constant-firing diode designed for timing and protective switching circuits.

Base

B5B

Socket code

—

Sections

1

Heater

6.3 V / 150 mA

Rectifier

10 mA

V Inverse

460 V

5 pins

Reliable subminiature flying-lead diode designed for guided-weapon and other compact military electronic equipment.