Electronic tube and vacuum tube catalog

Base

Refer to variations

Socket code

Refer to variations

Electrical Summary

Ik max	10 mA

Sections

1

19 pins

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

—

Socket code

—

Electrical Summary

Heater	6.3 V / 600 mA

Sections

1

Base

9BW

Socket code

Refer to variations

Electrical Summary

Ik max	10 mA
Rectifier	125 mA
V Inverse	1,000 V

Sections

1

9 pins

Ten-stage cold-cathode gas-discharge stepping tube for pulse counting and registration. Sequential discharge transfer advances the count electronically between stages.

Base

Duodecal

Socket code

B12A

Electrical Summary

Heater	6.3 V / 300 mA

Sections

1

12 pins - B12A - Duodecal 12-contact

Decade counting display tube with heated cathode and fluorescent readout. Internal counting and selection stages provide direct visible decimal indication.

Base

—

Socket code

IO

Electrical Summary

Plate	350 V
Ik max	0.5 mA
Min/Max I	0.6 mA

Sections

1

IO - International Octal

Cold-cathode decimal counting/selector tube using pulsed guide electrodes to advance the discharge among output cathodes.

Base

9AD

Socket code

B7G

Electrical Summary

Heater	6.3 V / 150 mA
Plate	300 V
Screen	150 V
Min/Max I	0.6 mA
rP	13,700 Ω
gm	1.53 mA/V
μ	21

Sections

1

9 pins - B7G - Miniature 7-contact

Cold-cathode decimal counting and selector tube that advances a glow discharge among numbered cathodes in response to guide-electrode pulses.

Base

—

Socket code

IO

Electrical Summary

Plate	400 V
Ik max	1.2 mA
Min/Max I	0.8 mA

Sections

1

IO - International Octal

Cold-cathode decimal counting and selector tube that advances a glow discharge among numbered cathodes in response to guide-electrode pulses.

Base

6AR

Socket code

MODDUODECAL13

Electrical Summary

-

Sections

1

MODDUODECAL13 - Modified Duodecal 13-contact counting-tube base family

Top-view cold-cathode decimal counter tube with cathodes zero through nine individually available as outputs for counting and selection.

Base

—

Socket code

—

Electrical Summary

-

Sections

1

Subminiature cold-cathode gas-filled time totalizer. Sequential discharge counting accumulates operating time or events electronically without mechanical counting mechanisms.

Base

—

Socket code

—

Electrical Summary

Plate	350 V
Ik max	0.55 mA

Sections

1

Cold-cathode bidirectional ten-way computing tube for electronic counting, selection, and sequencing functions.

Base

Refer to variations

Socket code

Refer to variations

Electrical Summary

Plate	400 V
Ik max	0.55 mA

Sections

1

Cold-cathode bidirectional ten-way selector tube for electronic selection, counting, and sequencing applications.

Base

—

Socket code

—

Electrical Summary

Plate	420 V
Ik max	12 mA

Sections

1

Cold-cathode scale-of-ten counter tube. Sequential gas-discharge transfer performs electronic decade counting for digital and instrumentation systems.

Base

—

Socket code

—

Electrical Summary

Ik max	0.25 mA

Sections

1

Cold-cathode selector and counter tube. Sequential gas-discharge transfer provides electronic counting and output selection without mechanical switching.

Base

—

Socket code

—

Electrical Summary

Plate	400 V
Ik max	0.55 mA

Sections

1

Long-life cold-cathode scale-of-ten counter tube. Sequential discharge transfer performs reliable electronic decade counting in digital and instrumentation equipment.

Base

—

Socket code

—

Electrical Summary

Plate	400 V
Ik max	0.55 mA

Sections

1

Long-life cold-cathode scale-of-ten counter tube. Sequential gas-discharge transfer provides electronic decade counting for instrumentation and digital systems.

Base

B12E

Socket code

—

Electrical Summary

Ik max	37 mA

Sections

1

12 pins

Cold-cathode gas-filled unidirectional decade counter and distributor tube. Sequential discharge transfer performs electronic counting and distributes outputs among ten positions.

Base

—

Socket code

—

Electrical Summary

-

Sections

1

Okaya DK23 Dekatron counting and selector switching tube, 380 V minimum supply, 0.5 mA nominal anode current, up to 20000 counts per second.

Base

—

Socket code

—

Electrical Summary

Plate	220 V
Ik max	20 mA

Sections

1

14 pins

Decade counting tube with optical and electrical readout. Sequential gas-discharge transfer provides electronic decimal counting and direct indication.

Base

Duodecal

Socket code

B12A

Electrical Summary

Heater	6.3 V / 300 mA
Plate	300 V
μ	2

Sections

1

12 pins - B12A - Duodecal 12-contact

Decade counting display tube with heated cathode and fluorescent readout. Internal beam selection performs decimal counting while providing direct visible indication.

Base

—

Socket code

—

Electrical Summary

Plate	400 V

Sections

1

Cold-cathode decade counting tube. Sequential gas-discharge transfer advances the count electronically through ten stable positions.

Base

—

Socket code

—

Electrical Summary

Heater	6.3 V / 300 mA

Sections

1

Ultra-fast beam-switching decade counter tube for scalers and analyzers. Electron-beam steering performs rapid decimal counting and selection.

Base

B12E

Socket code

B12E

Electrical Summary

Plate	315 V
Ik max	37 mA

Sections

1

12 pins - B12E - B12E 12-contact physical base

Unidirectional cold-cathode gas-filled decade counter and distributor. Sequential discharge transfer performs electronic counting and routes outputs among ten positions.

Base

—

Socket code

IO

Electrical Summary

-

Sections

1

IO - International Octal

Cold-cathode gas-filled counting and computing tube for electronic counting and digital logic. Sequential discharge states perform logic and counting functions.

Base

—

Socket code

—

Electrical Summary

Plate	475 V
Ik max	0.55 mA

Sections

1

Cold-cathode scale-of-ten counter and selector tube. Sequential gas-discharge transfer advances through ten stable counting positions.

Base

Refer to variations

Socket code

B12A

Electrical Summary

Plate	475 V
Ik max	0.55 mA

Sections

1

B12A - Duodecal 12-contact

Cold-cathode scale-of-ten counter and selector tube. Sequential discharge transfer performs electronic decade counting and output selection.

Base

—

Socket code

B12A

Electrical Summary

Plate	475 V
Ik max	0.9 mA

Sections

1

B12A - Duodecal 12-contact

Cold-cathode scale-of-ten counter tube. Sequential gas-discharge transfer advances electronically through ten stable states.

Base

—

Socket code

—

Electrical Summary

Plate	475 V
Ik max	0.8 mA

Sections

1

Cold-cathode scale-of-ten counter for electronic counting and sequential selection among ten discharge positions.

Base

—

Socket code

B17A

Electrical Summary

Plate	475 V

Sections

1

B17A - 17-contact large Nixie socket family

Cold-cathode scale-of-ten counter for electronic counting and sequential selection among ten discharge positions.

Base

—

Socket code

—

Electrical Summary

Plate	475 V
Ik max	0.55 mA

Sections

1

Cold-cathode twelve-way counter/selector for electronic counting and sequential selection among twelve discharge positions.

Base

—

Socket code

TROCHOTRON14

Electrical Summary

Heater	6.3 V / 300 mA
Plate	2 W

Sections

1

TROCHOTRON14 - 14-contact ring-magnet-located Trochotron base family

Ten-position trochotron counter using controlled electron-beam motion to advance through stable counting positions for digital and instrumentation systems.

Base

—

Socket code

B26A

Electrical Summary

Heater	6.3 V / 500 mA

Sections

1

B26A - 26-pin dual-ring all-glass counting/display-tube base

Ten-way Trochotron beam-switching tube designed for electronic counting, sequencing, and commutation by steering an electron beam among multiple output positions.

Base

—

Socket code

B26A

Electrical Summary

Heater	6.3 V / 500 mA

Sections

1

B26A - 26-pin dual-ring all-glass counting/display-tube base

Ten-way Trochotron beam-switching tube designed for electronic counting, sequencing, and commutation by steering an electron beam among multiple output positions.

Base

—

Socket code

B26A

Electrical Summary

Heater	6.3 V / 550 mA

Sections

1

B26A - 26-pin dual-ring all-glass counting/display-tube base

Ten-way Trochotron beam-switching tube designed for electronic counting, sequencing, and commutation by steering an electron beam among multiple output positions.

Base

—

Socket code

B26A

Electrical Summary

Heater	6.3 V / 500 mA

Sections

1

B26A - 26-pin dual-ring all-glass counting/display-tube base

Ten-way Trochotron beam-switching tube designed for electronic counting, sequencing, and commutation by steering an electron beam among multiple output positions.

Base

—

Socket code

—

Electrical Summary

-

Sections

1

Base

Special 13-pin

Socket code

B13B

Electrical Summary

Min/Max I	600 mA / 1 A

Sections

1

13 pins - B13B - B13B Nixie 13-contact

High-speed cold-cathode decade counting, display, and switching tube. Sequential gas-discharge transfer performs decimal counting while providing direct visual indication.

Base

Special 13-pin

Socket code

B13B

Electrical Summary

Min/Max I	250 mA / 525 mA

Sections

1

13 pins - B13B - B13B Nixie 13-contact

Cold-cathode decade counting, display, and switching tube supporting bidirectional counting. Sequential gas-discharge transfer provides electronic counting and visible indication.