Virtual Valve Museum

Virtual Valve Museum

HomeFull List

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

CV3946 / 3WP1Y CRT

Size
This valve measures 290x75mm overall and has a B12A base

This is an electrostatic focus and deflection CRT with a GG5 screen (green flash, green afterglow, medium short persistence 10ms to 100ms)

Heater voltage6.3V
Heater current300mA
Max anode 1 + 3 voltage2.75kV
Min anode 1 + 3 voltage1.0kV
Max negative grid voltage-200V
Max heater-cathode voltage±180V
Max altitude30,000 feet
Capacitances (max)
Ck-all5.7pF
Cg1-all8.7pF
Cx1/x1-all3.3pF
Cy1/y2-all2.2pF
Cx1-all except x27.2pF
Cx2-all except x17.2pF
Cy1-all except y24.8pF
Cy2-all except y14.8pF


PinFunction
1Heater
2Grid
3Cathode
4Anode 1
5i/c
6X1
7X2
8Anode 1 + 3
9Y2
10Y1
11i/c
12Heater

Screen
CV3946 / 3WP1Y