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CV404 rectifier

Size This valve measures 114x32mm overall and has an octal base.

See also CV4071 and CV4072 which were developed from this valve.

Heater voltage 4.0V
Heater current 1.25A
Rating (A)
Max RMS anode voltage 6.0kV
Max working PIV 15.0kV
Max no load PIV 16.5kV
Max DC rectified current 40mA
Max peak anode current 300mA
Max reservoir capacitor 1.0µF
Min HT switching delay for full rating 60s
Min limiting resistance introduced externally 5000 ohms
Rating (B)
Max RMS anode voltage
5.0kV
Max working PIV 12.5kV
Max no load PIV 14.0kV
Max DC rectified current 50mA
Max peak anode current 350mA
Max reservoir capacitor 1.0µF
Min HT switching delay for full rating 60s
Min limiting resistance introduced externally 4000 ohms
NB these ratings are alternative and cannot be interchanged.
Pin Function
1 n/c
2 Heater
3 n/c
4 n/c
5 n/c
6 n/c
7 n/c
8 Heater and cathode
TC Anode
CV404