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CV5369 cathode ray tube. This is a dual trace oscilloscope tube with a flat face.

 

Size This CRT measures 375x105mm overall and has a B12F base plus 3 sets of side connectors and an EHT connector

NB this data comes from the data sheet for a 4LP1 CRT assuming that this tube is the same except for having P31 (green) phosphor.

Heater voltage6.3V
Heater current550mA
Max anode 1 voltage1.7kV
Min anode 1 voltage600V
Max anode 2 voltage1.2kV
Max anode 3 voltage4.0kV
Min anode 3 voltage600V
Max anode 4 voltage8.0kV
Min anode 4 voltage1.0kV
Max voltage difference Va4-Va34.0kV
Max grid voltage-200V
Min grid voltage1.0V
Max peak heater-cathode voltage250V
Max total anode dissipation3.0W
Max power input to screen3.0mW/cm2

For further information refer to 4LP1 via http://www.tubedata.info

Pin Function
1Grid
2Cathode
3Heater
4Heater
5Anode 2
6i/c
7Anode 1
8i/c
9i/c
10i/c
11i/c
12i/c

The side connectors are as follows (refer to the datasheet for 4LP1): two connectors on the same side as the post deflection accelerator anode (anode 4) connector are anode 3 and Y1; two connectors on the opposite side are anode 3 and Y2, two connectors closer to the screen are X1 and X2.

Closeup

 CV5369