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

P30-X

Socket code

—

Sections

1

Heater

4 V / 1.3 A

Plate

500 V

Ik max

10 mA

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

4CK

Socket code

B7G

Sections

1

Plate

200 V

Ik max

25 mA

V Drop

62 V

7 pins - B7G - Miniature 7-contact

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

Base

—

Socket code

—

Sections

1

Cold-cathode trigger tube for pulse and control circuits. Gas-discharge operation provides abrupt heaterless switching in response to a trigger signal.

Base

—

Socket code

—

Sections

1

Inert-gas cold-cathode triode for relay, timing, and control service. Heaterless gas discharge provides abrupt electronic switching.

Base

—

Socket code

B9A

Sections

1

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

Inert-gas cold-cathode triode for relay, timing, and control service. Gas-discharge operation provides heaterless switching.

Base

—

Socket code

B7G

Sections

1

7 pins - B7G - Miniature 7-contact

Cold-cathode gas-filled trigger tube for switching, counting, and logic applications. Heaterless gas discharge provides rapid digital control.

Base

—

Socket code

B9A

Sections

1

Min/Max I

25 mA

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

Cold-cathode gas-filled trigger tube for switching, counting, and logic applications. Its heaterless discharge provides rapid electronic control.

Base

—

Socket code

IO

Sections

1

Ik max

100 mA

8 pins - IO - International Octal

Cold-cathode gas triode with starter anode for relay service. Heaterless gas discharge provides abrupt electronic control and switching.

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Cold-cathode trigger tube for pulse and control circuits. Gas-discharge operation provides abrupt heaterless switching.

Base

—

Socket code

—

Sections

1

Ik max

3.5 A

Mercury relay valve with capacitive ignition for stroboscopes and film projection in television transmitters. Triggered discharge produces controlled high-current pulses.

Base

—

Socket code

—

Sections

1

Plate

1,000 V

Inert-gas internally triggered cold-cathode trigger tube for heavy-duty electronic relay and switching service. Heaterless discharge provides abrupt high-current control.

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Plate

300 V

Ik max

50 mA

Cold-cathode inert-gas switching tube for condenser-discharge circuits, stroboscopic light pulses, relays, and controls. Heaterless gas discharge provides rapid switching.

Base

—

Socket code

—

Sections

1

Plate

700 V

Cold-cathode noble-gas power switching tube for controlled DC, AC, and pulse switching. Heaterless discharge handles substantial switched current.

Base

—

Socket code

—

Sections

1

Plate

700 V

Cold-cathode mixed-gas power switching tube for controlled DC or AC service. Heaterless gas discharge provides substantial switching current.

Base

—

Socket code

—

Sections

1

Plate

1,000 V

Cold-cathode noble-gas power switching tube for controlled DC or AC service. Heaterless discharge provides high-current electronic switching.

Base

—

Socket code

—

Sections

1

Cold-cathode trigger tube for pulse and control circuits. Gas-discharge operation provides abrupt heaterless switching.

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Ik max

25 mA

Cold-cathode trigger tube for welding timers, relay and counting circuits, and power switching. Heaterless gas discharge provides rapid control.

Base

—

Socket code

—

Sections

1

Ik max

6 mA

Cold-cathode trigger tube for on-off switching control. Gas discharge provides abrupt heaterless electronic switching.

Base

—

Socket code

B7G

Sections

1

7 pins - B7G - Miniature 7-contact

Cold-cathode gas switching tube of the 5823 family. Available source material supports relay/control service without a narrower description.

Base

—

Socket code

—

Sections

1

Cold-cathode gas switching tube. Available source material confirms heaterless discharge-switching construction without supporting a narrower application.

Base

—

Socket code

—

Sections

1

Cold-cathode gas switching tube. Available source material confirms heaterless discharge-switching construction without supporting a narrower application.

Base

—

Socket code

—

Sections

1

Plate

310 V

Ik max

4 mA

Min/Max I

2 mA / 4 mA

Subminiature cold-cathode trigger tube for counting and switching circuits. Heaterless gas discharge provides compact digital control.

Base

Refer to variations

Socket code

Refer to variations

Sections

1

Ik max

3 mA

Cold-cathode gas-discharge switching tube. Available source material confirms heaterless thyratron-type construction but does not establish a narrower application.

Base

—

Socket code

—

Sections

1

Cold-cathode gas-discharge switching tube. Available source material confirms heaterless thyratron-type construction but does not establish a narrower application.

Base

—

Socket code

B9A

Sections

1

Plate

350 V

Ik max

25 mA

Min/Max I

5 mA / 40 mA

B9A - Small-button Noval 9-contact

Cold-cathode negative-trigger tube for relay and switching operation from AC or DC supplies. Heaterless gas discharge provides abrupt electronic control.

Base

—

Socket code

B9A

Sections

1

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

Cold-cathode gas-discharge switching tube in a nine-pin miniature envelope. Available source material does not establish a narrower functional application.

Base

—

Socket code

B9A

Sections

1

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

Cold-cathode gas-discharge switching tube in a nine-pin miniature envelope. Available source material does not establish a narrower functional application.

Base

MINIATURE

Socket code

B7G

Sections

1

Plate

180 V

Ik max

25 mA

7 pins - B7G - Miniature 7-contact

Cold-cathode trigger tube for switching and control circuits. Gas-discharge operation provides abrupt heaterless switching.

Base

—

Socket code

—

Sections

1

Gas-filled cold-cathode trigger tube with molybdenum cathode and electrical priming. Priming improves reliable, repeatable switching.

Base

—

Socket code

—

Sections

1

Ruggedized cold-cathode trigger tube with high light output for shift-register displays, combining electronic switching with visible indication.

Base

—

Socket code

—

Sections

1

Subminiature cold-cathode trigger tube for very-high-peak-current capacitor-discharge switching. Heaterless gas discharge provides compact pulse-power control.