Electronic tube and vacuum tube catalog

Base

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Socket code

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Sections

1

Heater

6 V / 17 A

Plate

5,000 V / 3,000 W

Screen

1,000 V / 50 W

gm

37 mA/V

7 pins

EIMAC ceramic-metal forced-air-cooled radial-beam power pentode rated for 3000 watts plate dissipation and broad-band Class-AB linear-amplifier service.

Base

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Socket code

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Sections

1

Heater

6 V / 17 A

Plate

6,000 V / 5,000 W

Screen

1,000 V / 50 W

gm

37 mA/V

7 pins

EIMAC ceramic-metal forced-air-cooled radial-beam pentode rated for 5000 watts plate dissipation, intended for broad-band linear and other high-performance Class-AB amplifier service.

Base

Refer to variations

Socket code

GIANT5

Sections

1

Heater

7.5 V / 21 A

Plate

6,000 V / 1,000 W

Screen

1,000 V / 75 W

gm

10 mA/V

μ

7

GIANT5 - Giant 5-contact base

High-power transmitting beam tetrode for RF amplifier and oscillator service, capable of multi-kilowatt output and full ratings to roughly 110 MHz.

Base

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Socket code

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Sections

1

Heater

5.5 V / 17.3 A

Plate

3,500 V / 1,750 W

Screen

1,000 V

Ik max

1 A

μ

17

Forced-air-cooled high-power beam tube designed primarily for voltage-regulator service, with high-current and pulse capabilities for demanding industrial regulated supplies.

Base

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Socket code

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Sections

1

Heater

0.95 V / 495 A

Plate

25,000 V / 30,000 W

Screen

2,200 V

Ik max

2.5 A

μ

7

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 30000-watt maximum plate dissipation and application-specific operating limits.

Base

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Socket code

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Sections

1

Heater

0.95 V / 495 A

Plate

25,000 V / 30,000 W

Screen

2,200 V

Ik max

2.5 A

μ

7

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 30000-watt maximum plate dissipation and application-specific operating limits.

Base

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Socket code

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Sections

1

Heater

15.5 V / 17.3 A

Plate

3,000 V / 1,500 W

Screen

1,000 V

Ik max

1 A

μ

77

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 1500-watt maximum plate dissipation and application-specific operating limits.

Base

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Socket code

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Sections

1

Heater

6.3 V / 3.2 A

Plate

4,000 V / 125 W

Screen

1,000 V

Ik max

50 mA

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 125-watt maximum plate dissipation and application-specific operating limits.

Base

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Socket code

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Sections

1

Heater

5.5 V / 17.3 A

Plate

13,000 V / 1,500 W

Screen

1,000 V

Ik max

1.5 A

μ

16

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 1500-watt maximum plate dissipation and application-specific operating limits.

Base

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Socket code

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Sections

1

Heater

4.5 V / 125 A

Plate

7,500 V / 10,000 W

Screen

1,650 V

Ik max

4 A

μ

10

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 10000-watt maximum plate dissipation and application-specific operating limits.

Base

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Socket code

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Sections

1

Heater

5.5 V / 31 A

Plate

7,000 V / 5,000 W

Screen

1,000 V

Ik max

3 A

μ

14

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 5000-watt maximum plate dissipation and application-specific operating limits.

Base

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Socket code

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Sections

1

Heater

6 V / 7.6 A

Plate

5,000 V / 600 W

Screen

1,200 V

Ik max

500 mA

μ

6.6

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 600-watt maximum plate dissipation and application-specific operating limits.

Base

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Socket code

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Sections

1

Heater

22 V / 12.6 A

Plate

7,000 V / 10,000 W

Screen

1,200 V

Ik max

2 A

μ

20

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 10000-watt maximum plate dissipation and application-specific operating limits.

Base

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Socket code

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Sections

1

Heater

6.3 V / 3.2 A

Plate

2,500 V / 300 W

Screen

400 V

Ik max

250 mA

μ

18

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 300-watt maximum plate dissipation and application-specific operating limits.

Base

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Socket code

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Sections

1

Heater

5.5 V / 17.3 A

Plate

13,000 V / 1,500 W

Screen

1,000 V

Ik max

1.5 A

μ

17

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 1500-watt maximum plate dissipation and application-specific operating limits.

Base

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Socket code

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Sections

1

Heater

5.5 V / 17.3 A

Plate

3,500 V / 1,500 W

Screen

1,000 V / 50 W

Ik max

1.25 A

Beam-power transmitting tube documented with condition-specific RF power, operating, cooling, and output ratings for professional transmitter service.

Base

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Socket code

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Sections

1

Heater

5.5 V / 17.3 A

Plate

3,500 V / 1,500 W

Screen

1,000 V / 50 W

Ik max

1.25 A

Beam-power transmitting tube for professional RF power service, with published condition-specific operating, cooling, and power-output ratings.

Base

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Socket code

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Sections

1

Heater

6.3 V

Plate

1,250 V / 150 W

gm

20 mA/V

Air-cooled beam-power tube designed for RF power service and Class-AB1 audio-frequency power-amplifier and modulator applications.

Base

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Socket code

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Sections

1

Heater

6 V / 2.5 A

Plate

7,000 V / 250 W

Screen

1,000 V / 12 W

Ik max

6 A

μ

5

Compact forced-air-cooled external-anode radial-beam tetrode designed for wideband grid-pulsed RF amplification and pulse-modulator service.

Base

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Socket code

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Sections

1

Heater

6.3 V / 164 A

Plate

10,000 V / 15,000 W

Screen

2,000 V / 450 W

μ

4.5

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Heater

6 V

Plate

2,000 V / 250 W

Screen

500 V / 12 W

9 pins

Ruggedized radial-beam power tetrode designed for RF power applications in equipment exposed to severe shock and vibration.

Base

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Socket code

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Sections

1

Heater

24 V

Plate

6,000 V / 3,500 W

Screen

1,500 V / 165 W

High-power ceramic/metal tetrode for RF transmitter amplification and modulation service, combining kilowatt-class dissipation with high plate voltage for broadcast and industrial transmitters.

Base

Refer to variations

Socket code

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Sections

1

Heater

6 V

Plate

2,500 V / 350 W

Screen

400 V / 8 W

Ik max

300 mA

gm

22 mA/V

μ

13

Compact ceramic power tetrode intended for RF power amplification in transmitting equipment, providing substantial output from a comparatively small forced-air-cooled envelope.

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Heater

26.5 V

Plate

2,500 V / 350 W

Screen

400 V / 8 W

Ik max

300 mA

gm

22 mA/V

μ

13

Forced-air ceramic/metal power tetrode designed for high-frequency transmitting and RF power-amplifier service, with substantial plate dissipation and high-voltage capability.

Base

B8-236

Socket code

Refer to variations

Sections

1

Heater

26.5 V / 650 mA

Plate

2,500 V / 350 W

Screen

400 V / 8 W

gm

22 mA/V

μ

17

9 pins

Specialized 4CX350-family transmitting tetrode for RF power service, combining compact ceramic construction with forced-air cooling and high-frequency capability.

Base

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Socket code

SK600

Sections

1

Plate

2,500 V / 400 W

Screen

400 V / 8 W

SK600 - Eimac SK-600 series 9-contact coaxial power-tube socket family

Ceramic/metal power tetrode for RF transmitting service, designed for high-power amplification with forced-air cooling and low-inductance electrode construction.

Base

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Socket code

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Sections

1

Heater

7.5 V / 75 A

Plate

7,500 V / 5,000 W

Screen

1,500 V / 250 W

Svetlana 4CX5000A/8170 transmitting tetrode designed for audio and RF applications, particularly VHF FM broadcast transmitters in the 88–108 MHz band.

Base

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Socket code

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Sections

1

Heater

7.5 V / 103 A

Plate

7,500 V / 6,000 W

Screen

1,500 V / 250 W

μ

4.5

High-power ceramic/metal radial-beam tetrode with mesh filament and forced-air cooling, designed for transmitting and industrial RF power service with multi-kilowatt plate dissipation.

Base

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Socket code

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Sections

1

Heater

7.5 V / 75 A

Plate

7,500 V / 5,000 W

Screen

1,500 V / 250 W

Military-ruggedized Svetlana radial-beam tetrode for high-power audio and RF applications, using a mesh filament specifically designed to withstand severe shock and vibration.

Base

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Socket code

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Sections

1

Heater

6 V / 4.8 A

Plate

3,000 V / 600 W

Screen

400 V / 15 W

Ik max

500 mA

gm

25 mA/V

μ

8

Compact radial-beam tetrode designed for distributed amplifiers and UHF service to approximately 1.3 GHz, with low inductance, low capacitance, and 600 W plate dissipation.

Base

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Socket code

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Sections

1

Heater

6 V / 1.25 A

Plate

2,500 V / 600 W

Screen

400 V / 16 W

High-frequency ceramic/metal power tetrode intended for RF transmitting and amplifier service, providing substantial power capability in a compact forced-air-cooled construction.

Base

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Socket code

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Sections

1

Heater

6 V / 5.4 A

Plate

3,000 V / 600 W

Screen

450 V / 16 W

gm

27 mA/V

Specialized ceramic transmitting tetrode for high-power RF amplifier service, combining radial-beam construction with forced-air cooling and high-frequency capability.

Base

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Socket code

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Sections

1

Heater

6 V / 5.4 A

Plate

3,000 V / 600 W

Screen

450 V / 16 W

gm

27 mA/V

High-power ceramic/metal tetrode variant intended for transmitting RF amplifier service, with construction optimized for demanding high-frequency power operation.

Base

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Socket code

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Sections

1

Heater

300 V / 110 A

Plate

7,500 V / 7,500 W

Screen

1,500 V / 165 W

Large forced-air ceramic power tetrode designed for high-power RF transmitter service, providing several kilowatts of plate dissipation for broadcast and industrial applications.

Base

Refer to variations

Socket code

J5

Sections

1

Heater

5 V / 7.5 A

Plate

4,000 V / 125 W

Screen

750 V / 20 W

gm

2.15 mA/V

J5 - Jumbo 5-contact

Higher-dissipation 4E27 transmitting tube for RF amplification, oscillator and modulator service, capable of hundreds of watts Class-C RF output.

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Heater

5 V / 14.5 A

Plate

20,000 V / 1,000 W

Screen

1,000 V / 35 W

Ik max

8 A

μ

69

High-voltage pulse tetrode designed for powerful pulse-modulator service, emphasizing very large short-duration plate current and output power rather than continuous-wave dissipation.

Base

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Socket code

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Sections

1

Plate

18,000 V / 125 W

Screen

2,000 V / 20 W

Ik max

2.5 A

gm

2.45 mA/V

μ

5.9

Pulse-power tetrode intended for high-voltage modulator and switching applications, with ratings optimized for short high-current pulses and modest average dissipation.

Base

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Socket code

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Sections

1

Heater

5 V / 14 A

Plate

50,000 V / 250 W

Screen

2,000 V / 25 W

Ik max

5.5 A

High-voltage pulse tetrode designed for pulse-modulator and amplifier service, combining large peak-current capability with high plate-voltage operation.

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Heater

5 V / 14.5 A

Plate

20,000 V / 400 W

Screen

1,000 V / 35 W

Ik max

3.5 A

μ

60

Industrial pulse tetrode intended for high-power modulator applications, optimized for intense short-duration output pulses rather than continuous RF amplification.

Base

Refer to variations

Socket code

J5

Sections

1

Heater

5 V / 7.5 A

Plate

4,000 V / 125 W

Screen

750 V

gm

2.15 mA/V

J5 - Jumbo 5-contact

Beam-power transmitting tube in the 4E27A family for RF and AF power amplification and oscillator service.

Base

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Socket code

IO

Sections

1

Heater

5 V / 181 A

Plate

6,000 V / 10,000 W

Screen

1,200 V

IO - International Octal

Forced-air-cooled coaxial beam-power tube with integral radiator for high-power RF and television transmitting service, optimized for low parasitics at VHF frequencies.

Base

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Socket code

IO

Sections

1

Heater

5 V / 168 A

Plate

7,500 V / 12,000 W

Screen

2,000 V

IO - International Octal

High-power coaxial beam tube for VHF RF and television transmitting service, using forced-air cooling and specialized high-frequency construction.

Base

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Socket code

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Sections

1

Heater

2 V / 1100 A

Plate

30,000 V / 75,000 W

Screen

2,000 V

μ

6

Extremely high-power beam tube for industrial transmitting, RF, and pulse service, with approximately 30 kV plate capability and extraordinarily high plate-dissipation rating.

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Heater

5 V / 14.7 A

Plate

4,000 V / 400 W

Screen

800 V / 35 W

gm

4 mA/V

μ

5.1

5 pins

Radial-beam transmitting tetrode, also designated 4-400C, designed for broadcast-quality RF power service with approximately 400 W plate dissipation and kilovolt operation.

Base

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Socket code

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Sections

1

Heater

30 V / 1050 A

Plate

9,000 V / 35,000 W

Screen

1,250 V

μ

10

High-power beam-power transmitting tube for RF and pulse service, with multi-kilowatt output capability and published operation extending into the UHF range.

Base

—

Socket code

B9A

Sections

1

Heater

30 V / 530 A

Plate

30,000 V / 8,000 W

Screen

2,200 V

μ

7

B9A - Small-button Noval 9-contact

Very-high-power transmitting beam tube designed for short-pulse RF service, with manufacturer data citing megawatt-class peak output around 425 MHz.

Base

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Socket code

B9A

Sections

1

Heater

5 V / 168 A

Plate

25,000 V / 12,000 W

Screen

2,000 V

Ik max

50 A

μ

10

B9A - Small-button Noval 9-contact

Forced-air-cooled ceramic-metal coaxial beam-power transmitting tube for high-power RF and television service, capable of multi-kilowatt output to approximately 220 MHz.

Base

Refer to variations

Socket code

B9A

Sections

1

Heater

6 V / 2.6 A

Plate

2,000 V / 250 W

Screen

400 V / 12 W

Ik max

250 mA

μ

5

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

Compact forced-air-cooled external-anode radial-beam tetrode for RF, wide-band video, linear amplification, and modulation service to approximately 500 MHz.

Base

Refer to variations

Socket code

B9A

Sections

1

Heater

26.5 V / 580 mA

Plate

2,000 V / 250 W

Screen

400 V / 12 W

Ik max

250 mA

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

Beam-power transmitting tube, explicitly related to the 4X150D, intended for professional RF power service with published frequency and power operating limits.

Base

Refer to variations

Socket code

B9A

Sections

1

Heater

6 V / 2.6 A

Plate

2,000 V / 250 W

Screen

400 V / 12 W

Ik max

250 mA

μ

5

B9A - Small-button Noval 9-contact

Forced-air-cooled ceramic-metal radial-beam tetrode for audio power, linear RF, and Class-C RF amplifier or oscillator service through 500 MHz.