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CV1521 CRT

Size This CRT measures 330x85mm overall and has a B12D base

This is an electrostatic focus and deflection CRT suitable for symmetrical or asymmetrical voltages. The EVS data gives the screen characteristics as BLY46 (BY8 - Blue/Yellow/long persistence).

Heater voltage 4V
Heater current 1.1A
Max final anode voltage 5kV
Max first anode voltage 2kV
X-plate sensitivity 357/Va3 mm/V
Y-plate sensitivity 780/Va3 mm/V
Typical operating conditions
Final anode voltage 4kV
Second anode voltage 700V
First anode voltage 1.8kV
Beam current 50µA


Pin Function Pin Function
1 Grid 7 Internal coating
2 Cathode 8 Y2
3 Heater 9 X2
4 Heater 10 Anode 3
5 Anode 1 11 X1
6 Anode 2 12 Y1

The final anode and internal coating are usually operated at the same voltage and manufacturers were free to connect the two internally, omitting the connection to pin 7.


This file was last modified 14:51:19, Tuesday September 02, 2014