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ATP4 pentode

Size This valve measures 113x40mm overall and has a Mazda octal base.

This valve consists of two electrode structures strapped in parallel.

Filament voltage 2.6V
Filament current 300mA
Max anode voltage 150V
Max screen voltage 150V
Max anode dissipation 5.0W
Mutual conductance * 5.2mA/V
Cag max 2.0pF
Ca - all 18.0pF
Cg - all 19.0pF
*: At Va=Vg2=150, Vg1=-10


Pin Function
1 Filament -
2 n/c
3 n/c
4 Screen grid
5 Control grid
6 n/c
7 n/c
8 Filament +
TC Anode
This valve was donated by Chris Jones

This file was last modified 14:47:16, 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.