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Westinghouse 860 / VT17 transmitting tetrode.
Size This valve measures 210x140x90mm overall and has a 4 pin base.



Filament voltage 10V
Filament current 3.25A
Max anode voltage 3000V
Max screen voltage 500V
Max anode dissipation 100W
Max screen dissipation 10W
Ca,g max 0.08pF
Cin 7.75pF
Cout 7.5pF
Pin Function
1 Filament
2 n/c
3 Screen grid
4 Filament
Top lead Control grid
Side lead Anode


Inside view Inside view

Quarter view

This valve was donated by Bill Langley

This file was last modified 15:48:12, Tuesday September 02, 2014