Electronic tube and vacuum tube catalog

Base

Subminiature wire-leaded

Socket code

B5D

Electrical Summary

Heater	1 V / 30 mA
Plate	65 V
Ik max	0.75 mA
gm	0.45 mA/V
μ	30

Sections

1

5 pins - B5D - Subminiature wire-ended

Subminiature directly heated voltage-indicator tube, DM160/6977, designed to show the switching state of flip-flop and logic circuits with a visible luminous strip.

Base

Subminiature wire-leaded

Socket code

B4D

Electrical Summary

Heater	1 V / 30 mA
Plate	65 V
Ik max	0.75 mA
μ	5

Sections

1

B4D - Subminiature wire-ended

Directly heated subminiature voltage indicator designed for visual indication of flip-flop state and other low-power logic conditions.