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CV475 semi-remote cutoff pentode

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)
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

1Control grid
2Cathode + suppressor grid
4Cathode + suppressor grid
7Screen grid
8Cathode + suppressor grid


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

  FOR SALE: Note that any valve which is not CV marked is now for sale. Contact me via email - see the home page.