Virtual Valve Museum

Virtual Valve Museum

HomeFull List

This is an archive website. It will not receive any updates, additions or corrections.

CV5278 / ZM1020 / Z502M display tube

Size
This valve measures 30x28mm overall and has a 13 pin B13B base

This display tube operates at 170V with 2mA anode current.

PinFunction
1n/c
2Anode
3Cathode 0
4Cathode 9
5Cathode 8
6Cathode 7
7Cathode 6
8n/c
9Cathode 5
10Cathode 4
11Cathode 3
12Cathode 2
13Cathode 1
Top view
CV5278 / ZM1020 / Z502M