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CV5291 10-way register / indicator tube

This valve measures 81x35mm overall and has a B12A base

Min anode to cathode voltage to ensure breakdown (normal room illumination)129V
Max voltage across tube and 500kΩ resistors to ensure tube extinguishes105V
Max potential difference between any two cathodes (min value of 300kΩ cathode resistor)120V
Max total anode current250µA
Min total anode current50µA
Approx running voltage at 60µA108V

1Cathode 1
2Cathode 0
3Cathode 9
4Cathode 8
5Cathode 7
6Cathode 6
7Cathode 5
8Cathode 4
9Cathode 3
10Cathode 2


This file was last modified23:10:33, Wednesday February 23, 2022