Specialized - Thyratron vacuum tubes

Thyratron

Self-indicating subminiature thyratron for low-power control circuits. Its gas discharge provides switching while visible glow indicates conduction state.

Base

Not recorded

Socket

Not recorded

Heater

1.25 V

Sections

1

Thyratron

Heavy-current thyratron for controlled industrial power service. Its directly heated cathode supports substantial gas-discharge switching.

Base

Not recorded

Socket

MEDIUM4BAYONET

Heater

2.5 V

Sections

1

Tetrode

Hydrogen-filled tetrode thyratron for pulse modulation, designed for low jitter, low anode-delay drift, and high pulse-repetition rates.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Xenon thyratron for substantial controlled-power switching. Its directly heated cathode supports grid-triggered gas-discharge current.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

Thyratron

Large ceramic 33-megawatt hydrogen thyratron for extreme pulse-power service. Fast controlled gas discharge switches exceptionally high pulse energy.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Hydrogen thyratron for high-power pulse switching. Available source material confirms the gas type and thyratron role without supporting a more detailed description.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

Thyratron

Toshiba hydrogen thyratron for high-power radar pulse switching.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Compact cold-cathode self-indicating gas thyratron for relay and control service, producing a visible neon-colored glow while conducting.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

Thyratron

Lightweight subminiature cold-cathode self-indicating gas thyratron for relay and control applications with visible glow indication.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

Thyratron

Zero-bias hydrogen clipper thyratron with very short ionization time for high-fault-current inverse clipping in line-type radar modulators.

Base

Not recorded

Socket

Not recorded

Heater

5 V

Sections

1

Thyratron

Zero-bias hydrogen clipper thyratron with short ionization time for high-current pulse-clipping service.

Base

Not recorded

Socket

B9A

Heater

5 V

Sections

1

Thyratron

Gas-filled grid-controlled thyratron for industrial switching, controlled rectification, relay, motor-control, or pulse service.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

Thyratron

Gas-filled grid-controlled thyratron for industrial switching, controlled rectification, relay, motor-control, or pulse service.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

Thyratron

Zero-bias hydrogen thyratron for extremely fast high-current crowbar protection of high-voltage electronic equipment.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Thyratron

Zero-bias hydrogen thyratron for very-high-peak-current crowbar protection with fast switching and recovery.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Thyratron

Hydrogen thyratron for fast high-voltage, high-current pulse switching in radar modulators, pulse networks, crowbar protection, or related pulsed-power systems.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Hydrogen thyratron for fast high-voltage, high-current pulse switching in radar modulators, pulse networks, crowbar protection, or related pulsed-power systems.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Thyratron

Gas-filled grid-controlled thyratron for industrial switching, controlled rectification, relay, motor-control, or pulse service.

Base

4BZ

Socket

IO

Heater

2.5 V

Sections

1

Thyratron

Hydrogen thyratron for fast high-voltage, high-current pulse switching in radar modulators, pulse networks, crowbar protection, or related pulsed-power systems.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Hydrogen thyratron for fast high-voltage, high-current pulse switching in radar modulators, pulse networks, crowbar protection, or related pulsed-power systems.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Thyratron

EG&G 7621/HY-2 ceramic-metal hydrogen thyratron; 8 kV peak anode voltage, 100 A peak anode current, 350 kW peak switching power.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Rugged ceramic hydrogen thyratron for compact radar pulse modulators and severe pulsed-power service.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Large ceramic hydrogen thyratron rated for approximately 12.5 MW pulse switching.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Large ceramic hydrogen thyratron rated for approximately 40 MW pulse switching.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Ceramic-metal hydrogen thyratron for compact radar and missile pulse modulators.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Large ceramic hydrogen thyratron rated for approximately 60 MW pulse switching.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Hydrogen thyratron for fast high-voltage, high-current pulse switching in radar modulators, pulse networks, crowbar protection, or related pulsed-power systems.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Thyratron

Hydrogen thyratron for fast high-voltage, high-current pulse switching in radar modulators, pulse networks, crowbar protection, or related pulsed-power systems.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Thyratron

Gas-filled grid-controlled thyratron for industrial switching, controlled rectification, relay, motor-control, or pulse service.

Base

Not recorded

Socket

Not recorded

Heater

1.25 V

Sections

1

Thyratron

Gas-filled grid-controlled thyratron for industrial switching, controlled rectification, relay, motor-control, or pulse service.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

Thyratron

Hydrogen thyratron for fast high-voltage, high-current pulse switching in radar modulators, pulse networks, crowbar protection, or related pulsed-power systems.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Gas-filled grid-controlled thyratron for industrial switching, controlled rectification, relay, motor-control, or pulse service.

Base

Not recorded

Socket

Not recorded

Heater

5 V

Sections

1

Thyratron

Gas-filled grid-controlled thyratron for industrial switching, controlled rectification, relay, motor-control, or pulse service.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

Thyratron

Hydrogen thyratron for fast high-voltage, high-current pulse switching in radar modulators, pulse networks, crowbar protection, or related pulsed-power systems.

Base

Not recorded

Socket

SJ4

Heater

5 V

Sections

1

Thyratron

Gas-filled grid-controlled thyratron for industrial switching, controlled rectification, relay, motor-control, or pulse service.

Base

Not recorded

Socket

Not recorded

Heater

5 V

Sections

1

Thyratron

Very-high-power ceramic hydrogen thyratron, formerly KU-275, rated in the approximately 100 MW pulse-power class.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

High-power hydrogen thyratron for radar modulator and general high-energy pulse-switching service.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Thyratron

Hydrogen thyratron for high-power pulse switching. Its heavy heater and controlled gas discharge support rapid, substantial pulse-current conduction.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

The 8370 is a hydrogen-filled, indirectly heated thyratron developed for high-duty-cycle pulse modulators operating at relatively low anode voltage. Its controlled gas discharge supports rapid switching, while an internal electrically heated titanium-hydride reservoir maintains the hydrogen supply.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Gas-filled controlled-discharge tube for switching, pulse, and industrial control service. Grid triggering initiates rapid gas conduction.

Base

Not recorded

Socket

B9A

Heater

8.5 V

Sections

1

Thyratron

Hydrogen-filled three-element thyratron for pulse-network discharge service, capable of megawatt-class pulse output and high repetition rates.

Base

Not recorded

Socket

JUMBO4B

Heater

6.3 V

Sections

1

Thyratron

Rugged hydrogen-filled three-element thyratron with internal reservoir for high-energy pulse-network discharge service. Controlled gas switching handles substantial pulse energy.

Base

Not recorded

Socket

JUMBO4B

Heater

6.3 V

Sections

1

Triode

Rugged hydrogen-filled positive-grid triode thyratron for airborne pulse operation. Its design improves high-power pulse switching over the 5C22.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Hydrogen thyratron for high-power pulse switching. Its heavy heater supports rapid controlled discharge at substantial pulse current.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Ruggedized General Electric special-purpose triode whose electrical ratings follow type GL-7390, with additional published shock and vibration limits for demanding service.

Base

Not recorded

Socket

OCTALCRT8

Heater

6.3 V

Sections

1

Thyratron

Hydrogen thyratron for high-current pulse switching. Controlled gas discharge provides rapid conduction for pulse-power systems.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Thyratron

Gas triode for sweep-circuit oscillator service or grid-controlled rectification. Its controlled discharge supports relaxation oscillators and switching applications.

Base

G602

Socket

UX4

Heater

6.3 V

Sections

1

Thyratron

Gas triode for sweep oscillators and grid-controlled rectifier operation. Its controlled gas discharge provides relaxation oscillation and switching.

Base

5A2

Socket

UX4

Heater

2.5 V

Sections

1