Virtual Valve Museum
Virtual Valve Museum | search: (use * for wildcard)
About the museumMuseum exhibitsUpdates, new exhibits etc.EquipmentSupporters
*DocumentsValves wanted!Valves for sale or for tradeLinks to other sites, suppliers etc.

CV1240 transmitting pentode

Size This valve measures 185x50mm overall and has a 4 pin T4 base.

This is a modified version of the PT15/VT140.

Filament voltage 4V
Filament current 2.45A
Max anode voltage 1250V
Max screen voltage 300V
Max anode dissipation 30W
Mutual conductance
(Va=1kV; Vg2=300V; Ia=40mA)
3.1mA/V
Capacitances
Cae 14.0pF
Cge 21.7pF
Cag max. 0.11pF

 

Pin Function
1 Control grid
2 Filament
3 Screen grid
4 Filament
TC Anode
Outer
casing
Suppressor grid
CV1240

This file was last modified 15:12:11, Tuesday September 02, 2014