Specialized - Switching Tube vacuum tubes

MicrowaveTRSwitch

Tunable TR gas-switching tube with integral cavity for microwave radar service. Its discharge protects the receiver and controls RF routing during pulsed operation.

Base

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Heater

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1

MicrowaveTRSwitch

Microwave gas-switching tube for transmit-receive systems. Its ionized discharge provides rapid RF-path control and receiver protection during pulsed radar operation.

Base

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Heater

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1

MicrowaveTRSwitch

X-band band-pass TR tube using an argon and water-vapor ionizable medium. Its discharge protects the radar receiver and controls microwave routing during transmission.

Base

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Socket

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Heater

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1

MicrowaveTRSwitch

Fixed-tuned broadband transmit-receive microwave switching tube for radar duplexing. Gas-discharge action provides rapid receiver protection and RF-path control.

Base

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Heater

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1

MicrowaveTRSwitch

Broadband transmit-receive microwave switching tube for radar systems. Its gas-discharge mechanism rapidly isolates the receiver during high-power transmitter pulses.

Base

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Socket

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Heater

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1

RelayControlSwitch

Cold-cathode glow-discharge relay tube for DC operation. Gas ionization provides abrupt electronic control without a heater, similar in function to the OA4-G.

Base

Not recorded

Socket

CANDELABRA2

Heater

Not recorded

Sections

1

MechanicalVacuumSwitch

High-vacuum electromechanical switching tube for rapid interruption of high-voltage, high-current circuits. It performs physical vacuum switching rather than gas-discharge or thermionic control.

Base

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Heater

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1

SparkGapPulseSwitch

Gas-filled triggered spark gap, or trigatron, for line-discharge modulators and high-power pulse switching. A trigger electrode initiates rapid conduction on command.

Base

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Socket

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Heater

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1

ThermalDelaySwitch

Reverse-action vacuum thermal-delay switch. Heater warm-up mechanically changes the contact state after a time delay, providing sequencing and protection in electronic equipment.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

RelayControlSwitch

Three-electrode inert-gas cold-cathode control tube for relay and switching circuits. Gas ionization provides abrupt controlled conduction without a heater.

Base

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Socket

UX4

Heater

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Sections

1

RelayControlSwitch

Three-electrode inert-gas cold-cathode control tube for relay and switching circuits. Its discharge provides abrupt controlled conduction without thermionic heating.

Base

Not recorded

Socket

UX4

Heater

Not recorded

Sections

1

RelayControlSwitch

Three-electrode inert-gas cold-cathode control tube for relay and switching circuits. Gas-discharge action provides heaterless electronic control.

Base

Not recorded

Socket

UX4

Heater

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Sections

1

RelayControlSwitch

Cold-cathode relay and control tube using gas-discharge conduction. It provides heaterless electronic switching for control and signaling circuits.

Base

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Socket

UX4

Heater

Not recorded

Sections

1

Rectifier

Western Electric inert-gas cold-cathode tube for rectifier, relay, voltage-regulator, triggering, counting, and switching circuits. Its multifunction control role is broader than ordinary thermionic power rectification.

Base

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Socket

UX4

Heater

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Sections

1

Rectifier

Western Electric high-current inert-gas cold-cathode tube for rectifier, relay, voltage-regulator, triggering, counting, and switching service. It is fundamentally a multifunction control device.

Base

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Socket

UX4

Heater

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Sections

1

Rectifier

Western Electric high-current inert-gas cold-cathode tube for rectifier, relay, regulator, triggering, counting, and switching circuits. Its control function extends well beyond ordinary power rectification.

Base

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Socket

UX4

Heater

Not recorded

Sections

1

ProtectiveFuse

Vacuum micro-fuse designed as a protective interruption device. It opens an electrical circuit under specified overload conditions while maintaining controlled insulation in a sealed vacuum envelope.

Base

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Socket

EDISON

Heater

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Sections

1

RelayControlSwitch

Three-electrode inert-gas cold-cathode relay tube for communication, triggering, counting, switching, and control circuits. Gas ionization provides abrupt heaterless conduction.

Base

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Socket

UX4

Heater

Not recorded

Sections

1

RelayControlSwitch

Four-electrode inert-gas cold-cathode tube intended for relay service. Multiple electrodes provide controlled gas-discharge switching without a heater supply.

Base

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Socket

UX4

Heater

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Sections

1

RelayControlSwitch

Western Electric cold-cathode gas-discharge device for specialized switching and control. Gas ionization provides abrupt heaterless conduction useful for triggering and relay functions.

Base

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Socket

UX4

Heater

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Sections

1

ThermalDelaySwitch

Bimetal thermal relay providing a roughly 60–100 second timing interval at the documented heater current, intended for delayed switching and control functions in electronic equipment.

Base

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Socket

B4

Heater

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Sections

1

ThermalDelaySwitch

Philips bimetal thermal relay designed for timed switching applications, using heater-controlled mechanical action to provide delayed circuit operation.

Base

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Socket

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Heater

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1

RelayControlSwitch

Four-electrode inert-gas-filled cold-cathode relay tube with isolated starter and main discharge gaps, providing electrical isolation between control and switched portions of a circuit.

Base

Not recorded

Socket

UX4

Heater

Not recorded

Sections

1

RelayControlSwitch

Three-electrode inert-gas-filled miniature cold-cathode tube for relay, regulator, rectifier, and control service, providing heaterless gas-discharge switching in communications and industrial equipment.

Base

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Socket

UX4

Heater

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Sections

1

SurgeProtector

Gas-discharge surge arrester designed to protect lines and electronic apparatus against transient overvoltage by conducting when the applied voltage exceeds its protective threshold.

Base

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Heater

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1

SurgeProtector

Gas-discharge surge arrester designed to protect lines and electronic apparatus against transient overvoltage by conducting when the applied voltage exceeds its protective threshold.

Base

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Socket

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Heater

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1

SurgeProtector

Gas-discharge surge arrester designed to protect lines and electronic apparatus against transient overvoltage by conducting when the applied voltage exceeds its protective threshold.

Base

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Socket

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Heater

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1

SurgeProtector

Gas-discharge surge arrester designed to protect lines and electronic apparatus against transient overvoltage by conducting when the applied voltage exceeds its protective threshold.

Base

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Socket

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Heater

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1

SurgeProtector

Gas-discharge surge arrester designed to protect lines and electronic apparatus against transient overvoltage by conducting when the applied voltage exceeds its protective threshold.

Base

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Socket

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Heater

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1

SurgeProtector

Gas-discharge surge arrester designed to protect lines and electronic apparatus against transient overvoltage by conducting when the applied voltage exceeds its protective threshold.

Base

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Socket

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Heater

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Sections

1

SurgeProtector

Gas-discharge surge arrester designed to protect lines and electronic apparatus against transient overvoltage by conducting when the applied voltage exceeds its protective threshold.

Base

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Socket

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Heater

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Sections

1

SurgeProtector

Gas-discharge surge arrester designed to protect lines and electronic apparatus against transient overvoltage by conducting when the applied voltage exceeds its protective threshold.

Base

Not recorded

Socket

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Heater

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Sections

1

SurgeProtector

Gas-discharge surge arrester designed to protect lines and electronic apparatus against transient overvoltage by conducting when the applied voltage exceeds its protective threshold.

Base

Not recorded

Socket

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Heater

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Sections

1

SurgeProtector

Gas-discharge surge arrester designed to protect lines and electronic apparatus against transient overvoltage by conducting when the applied voltage exceeds its protective threshold.

Base

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Socket

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Heater

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1

CounterSelectorSwitch

Ten-stage cold-cathode gas-discharge stepping tube for continuous pulse counting and registration, providing both visual and electrical indication and supporting decade-chain operation.

Base

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Socket

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Heater

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Sections

1

RelayControlSwitch

Four-electrode inert-gas-filled cold-cathode relay tube with isolated starter and main gaps, providing controlled gas-discharge switching with isolation between control and load circuits.

Base

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Socket

UX4

Heater

Not recorded

Sections

1

Thyratron

Philips 4690 helium-filled indirectly heated thyratron for relaxation oscillators and time-base switching, with 4 V 1.3 A heater, 500 V peak anode rating and P30-X base.

Base

P30-X

Socket

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Heater

4 V

Sections

1

RelayControlSwitch

Three-electrode inert-gas-filled cold-cathode control tube with documented starter and anode operating characteristics, intended for heaterless relay and switching applications.

Base

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Socket

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Heater

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1

Other

Radial-beam tube for high-speed electronic switching, commutation, multiplexing, and telemetering. Its beam-deflection structure electronically selects among output paths without mechanical contacts.

Base

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Socket

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Heater

6.3 V

Sections

1

Other

Radial-beam tube for high-speed electronic switching, commutation, multiplexing, and telemetering. Its beam-deflection structure electronically selects among output paths without mechanical contacts.

Base

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Socket

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Heater

6.3 V

Sections

1

CounterSelectorSwitch

5738 specialized - switching tube electronic tube specifications and datasheets.

Base

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Socket

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Heater

6.3 V

Sections

1

MicrowaveTRSwitch

High-Q integral-cavity tunable transmit-receive gas switching tube for high-definition radar, operating across approximately 33.815–35.905 GHz for microwave transmitter-receiver protection and duplexing.

Base

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Socket

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Heater

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1

MicrowaveTRSwitch

Fixed-tuned ATR gas switching tube covering approximately 34.160–35.560 GHz, designed for microwave duplexing and transmitter-receiver protection in radar systems.

Base

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Heater

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MicrowaveTRSwitch

Fixed-tuned ATR gas switching tube covering approximately 2861–3039 MHz, designed for microwave duplexing systems and rated for megawatt-class transmitter peak power.

Base

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Socket

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Heater

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1

MicrowaveTRSwitch

Fixed-tuned ATR gas switching tube covering approximately 2958–3142 MHz, designed for microwave duplexing systems and rated for megawatt-class transmitter peak power.

Base

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Socket

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Heater

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1

Thyratron

Industrial cold-cathode glow-discharge triode for relay-control service in low-current on/off circuits. It provides heaterless electronic switching.

Base

4CK

Socket

B7G

Heater

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Sections

1

MicrowaveTRSwitch

Band-pass transmit-receive gas switching tube for approximately 2.9–3.2 GHz microwave protection service, providing radar transmitter-receiver isolation and antenna duplexing.

Base

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Socket

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Heater

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1

MicrowaveTRSwitch

Broadband X-band ATR gas switching tube for transmitter-receiver antenna decoupling around 9.375 GHz, designed for radar duplexing and protection of sensitive receiver circuitry.

Base

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Socket

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Heater

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Sections

1