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United Electron CV136 HF pentode

Size This valve measures 53x17mm overall and has a B7G base.

See also CV4063 which was developed from this valve, and CV2002 and CV2003 which are versions with a modified base

Heater voltage 6.3V
Heater current 200mA
Max operating anode voltage 300V
Max operating screen voltage 275V
Max anode dissipation 4.75W
Max screen dissipation 0.8W
Max operating frequency for 100% rating 100MHz
Max heater-cathode voltage 150V + or -
Max grid-screen voltage 300V
Max grid-cathode voltage 100V
Max mean grid current 3.5mA
Mutual conductance
(Va=Vg2=250V; Ia=16mA; Vg=-13.5V)
Inner amplification factor 12.0
Capacitances (with valve in screen)
Cin (nom) 4.25pF
Cout (nom) 6.5pF
Ca,g (max) 0.3pF


Pin Function
1 Control grid
2 Cathode and suppressor grid
3 Heater
4 Heater
5 Anode
6 n/c
7 Screen grid



This file was last modified 13:51:43, Thursday February 24, 2022