Electronic tube and vacuum tube catalog

Base

4V

Socket code

IO

Sections

1

Plate

225 V

Ik max

25 mA

4 pins - IO - International Octal

Cold-cathode gas relay tube for heaterless electronic control. Gas ionization provides abrupt conduction for relay, trigger, and switching circuits.

Base

—

Socket code

B7G

Sections

1

Plate

1,500 V

Ik max

10 A

B7G - Miniature 7-contact

Cold-cathode gas-discharge electronic switch. Ionization provides abrupt heaterless conduction for trigger and control circuits.

Base

—

Socket code

B9A

Sections

1

B9A - Small-button Noval 9-contact

Cold-cathode gas switching tube for 220-volt AC control and relay applications. Gas-discharge operation provides heaterless electronic switching.

Base

—

Socket code

SPECIALMINI4

Sections

1

SPECIALMINI4 - Special miniature 4-contact socket family

Cold-cathode gas switching tube for telephone and remote-control circuits on DC supplies. Its heaterless discharge provides reliable relay-like electronic control.

Base

—

Socket code

—

Sections

1

Cold-cathode gas switching tube with two auxiliary paths for telephone and remote-control switching. Gas discharge provides heaterless control conduction.

Base

Refer to variations

Socket code

IO

Sections

1

Plate

225 V

Ik max

25 mA

8 pins - IO - International Octal

Mullard 1267 cold-cathode gas-filled triggered switching triode with starter electrode, 225 V maximum operating anode voltage and 25 mA maximum continuous cathode current.

Base

—

Socket code

—

Sections

1

Integral-cavity tunable gas TR switch for pulsed microwave duplexers, protecting the receiver across approximately 8.49–9.6 GHz during transmitter pulses.

Base

—

Socket code

—

Sections

1

Broadband integral-cavity gas ATR switch for pulsed microwave duplexers, isolating transmitter and receiver paths across approximately 9.0–9.6 GHz.

Base

—

Socket code

—

Sections

1

Broadband anti-TR gas switch for pulsed microwave circuits, decoupling the transmitter from a common transmit/receive antenna during non-transmitting intervals.

Base

—

Socket code

—

Sections

1

Heater

1.9 V / 21.5 A

Rectifier

7500 A

V Drop

10 V

V Inverse

360 V

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

—

Sections

1

RCA protective breakdown tube for AC circuits, conducting when voltage exceeds its threshold to protect associated equipment from excessive voltage.

Base

—

Socket code

—

Sections

1

RCA protective breakdown tube for higher-voltage AC circuits, conducting at a defined threshold to protect associated equipment from excessive voltage.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

UX4

Sections

1

UX4 - Medium-shell UX 4-contact

Narrow-band tunable gas-filled TR switch for X-band microwave systems, using ignitor-assisted discharge to protect the receiver during transmitter pulses.

Base

—

Socket code

—

Sections

1

Ik max

30 mA

Gas-discharge protective tube that breaks down near 160 V to protect circuits against excessive voltage.

Base

—

Socket code

—

Sections

1

Plate

1,000 V

Ik max

0.2 mA

Gas-filled tunable TR protective tube for microwave receiver protection across approximately 23.83–24.58 GHz.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Two-electrode gas-filled spark-gap protective tube with approximately 1 kV initial breakdown voltage, intended for overvoltage protection rather than commanded pulse switching.

Base

—

Socket code

—

Sections

1

Ik max

120 mA

Gas-filled series spark-gap pulse switch rated for approximately 6.5 kV initial breakdown and 120 A peak current.

Base

—

Socket code

UX4

Sections

1

UX4 - Medium-shell UX 4-contact

Two-electrode cold-cathode ATR microwave gap for duplexer switching and isolation, characterized by microwave wavelength and VSWR performance.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

—

Sections

1

Two-electrode cold-cathode pre-TR microwave gap for pulsed duplexer protection, characterized by microwave wavelength and VSWR performance.

Base

—

Socket code

—

Sections

1

Argon-filled separate-cavity microwave gas switch for pulsed transmitter/receiver switching and protection service.

Base

—

Socket code

—

Sections

1

Ik max

450 mA

Gas-filled cold-cathode series spark-gap diode designed specifically for line-type pulser switching.

Base

—

Socket code

—

Sections

1

Gas-filled microwave TR/ATR switching tube for pulsed transmitter/receiver duplexer service, protecting or isolating receiver and transmitter paths during radar pulses.

Base

—

Socket code

—

Sections

1

Gas-filled spark-gap pulse-switching tube with a specified ignition-voltage range for controlled high-voltage breakdown service.

Base

—

Socket code

—

Sections

1

Fixed-tuned argon-filled ATR gas switching tube for microwave duplexer switching and receiver-protection service.

Base

—

Socket code

—

Sections

1

Ik max

450 mA

Gas-filled cold-cathode series spark gap for high-voltage pulse switching. Ionization produces abrupt conduction for discharging pulse-forming networks and related high-energy circuits.

Base

—

Socket code

—

Sections

1

Ik max

450 mA

Gas-filled cold-cathode series spark gap for high-voltage pulse switching. Its discharge action provides rapid conduction in pulse-forming and high-energy switching circuits.

Base

—

Socket code

—

Sections

1

Tunable transmit-receive gas-switching tube with integral microwave cavity. It isolates and protects the radar receiver during transmitter pulses while permitting received signals between pulses.

Base

—

Socket code

—

Sections

1

Anti-TR gas-switching tube for microwave radar duplexing. Its ionized discharge controls RF paths between transmitter, antenna, and receiver during pulsed operation.

Base

—

Socket code

—

Sections

1

Microwave gas-switching tube for radar transmit-receive systems. Gas-discharge switching rapidly changes RF path conditions during transmitter pulses and receiver intervals.

Base

—

Socket code

—

Sections

1

Fixed-tuned argon anti-TR gas-switching tube for microwave radar duplexing. Its discharge controls RF isolation and signal routing during pulsed transmit-receive operation.

Base

—

Socket code

—

Sections

1

Broadband non-tunable pre-TR gas-switching tube with integral microwave cavity. It provides rapid protective RF switching in radar transmit-receive systems.

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Plate

425 V

Broadband TR gas-switching tube designed to protect and decouple a radar receiver during transmission. Its gas discharge rapidly changes microwave-path impedance.

Base

—

Socket code

—

Sections

1

Fixed-tuned ATR gas-switching tube for microwave radar service. Gas-discharge action controls RF routing and isolation during pulsed transmit-receive operation.

Base

—

Socket code

—

Sections

1

Fixed-tuned ATR gas-switching tube for microwave radar service. Its discharge rapidly changes RF path conditions during transmitter and receiver intervals.

Base

—

Socket code

—

Sections

1

Band-pass TR gas-switching tube for microwave radar duplexing. Gas-discharge action protects the receiver and controls the RF path during transmitter pulses.

Base

—

Socket code

—

Sections

1

Special-purpose microwave TR switching tube of the 1B58 family. Its gas-discharge structure provides rapid transmit-receive isolation and receiver protection.

Base

—

Socket code

—

Sections

1

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

—

Socket code

—

Sections

1

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