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CV5242 grounded cathode low noise RF triode amplifier

Size
This valve measures 52x19mm overall and has a B9A base

Heater voltage6.3V
Heater current300mA
Max anode voltage250V
Max anode dissipation2.5W
Max cathode current20.0mA
Max heater-cathode voltage100V
Mutual conductance *14mA/V
Capacitances (with close fitting metal screen)
Cin (nom)3.50pF
Cout (nom)0.70pF
Cag (nom)1.1pF

measured in a mutual conductance bridge, frequency 1kHz, max input signal to grid 100mV RMS.
PinFunction
1Grid
2Cathode
3Cathode
4Heater
5Heater
6Cathode
7Cathode
8Grid
9Anode

CV5242

This file was last modified13:49:27, Sunday June 30, 2019

Donated by Anthony Adcock