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STC 5A/102D / CV1724 output pentode.

Size This valve measures 128x42mm overall and has an octal base.


Heater voltage 7.5V
Heater current 850mA
Max anode voltage 180V
Max screen voltage 150V
Mutual conductance 2.5mA/V


Pin Function
1 n/c
2 Heater
3 Anode
4 Screen grid
5 Suppressor grid
6 no pin
7 Heater
8 Cathode
TC Control grid
Top quarter view

This file was last modified 23:10:12, Wednesday February 23, 2022