Virtual Valve Museum

Virtual Valve Museum

HomeFull List

This is an archive website. It will not receive any updates, additions or corrections.

CV4059 / M8097 reliable diode triode

Size This valve measures 54x17mm overall and has a B7G base.

The prototype of this valve is CV137.

Heater voltage 6.3V
Heater current 300mA
Max shock (short duration) 500g
Max acceleration (continuous operation) 2.5g
Max bulb temperature 165C
Max operating anode voltage 300V
Max anode dissipation 2W
Max mean cathode current 1mA
Amplification factor * 31
Mutual conductance * 2.5mA/V
Max operating frequency:  
- as a frequency changer 300MHz
- as an oscillator 600MHz
Max heater-cathode voltage 150V
Max anode voltage (Ia=0) 550V
Max peak anode current 55mA
Max mean anode current 5.5mA
Max heater-cathode voltage 150V
Max PIV 400V
Capacitances (in close fitting metal screen)
Cin nom 1.85pF
Cout nom 1.15pF
Cat, g nom 1.6pF
Cat, ad max 0.2pF
Cad, kd nom 1.7pF
Cad, h max 0.5pF
*: At Va=200, Vg1=-4.



Pin Function
1 Diode anode
2 Diode cathode
3 Heater
4 Heater
5 Triode cathode
6 Triode grid
7 Triode anode