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CV475 semi-remote cutoff pentode

Size
This valve measures 38x10mm overall and has an 8-lead B8D base

This valve also carries the hand written markings VX7507 an 046014.

Heater voltage6.3V
Heater current150mA
Max operating anode voltage165V
Max operating screen voltage155V
Max anode dissipation1.1W
Max screen dissipation0.55W
Max cathode current16.5mA
Mutual conductance
(Va=Vg2=100, Rk=120 ohms)
4.5
Max heater-cathode voltage+/-200V
Capacitances (measured with close fitting metal screen)
C in (nom)4.3pF
C out (nom)3.4pF
Cag (max)0.015pF


LeadFunction
1Control grid
2Cathode + suppressor grid
3Heater
4Cathode + suppressor grid
5Anode
6Heater
7Screen grid
8Cathode + suppressor grid

CV475

This file was last modified15:08:37, Tuesday September 02, 2014