ZM1041

30mm symbol tube manufactured by Mullard

The ZM1041 is a special character indicator tube with red coating for better contrast. The character height of 30mm makes this tube a companion to numerical indicators like the ZM1040. Its a rare tube, beause it was produced in less numbers as the numerical indicators. This tube was also manufactured by Philips, Tesla and Valvo.
Brand/ManfacturerMullard
Same Types
Likely Tyes
Symbol height (mm)30
Display+,-
Decimal pointnone
BaseB13B
Starting Voltage (typ)170 V
Maintaining Voltage (typ)140 V
Current per Segment4.5mA
Reccomend Resistor6.8kOhm = 4.5mA