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Tube Substitutions for:
 2C40
 Planar Triode
TypeSubstitutesBase Diagram
2C404037F11
Web References2C40 (RCA (HB3)) @ Franks Electron Tubes
2C40 @ RadioMuseum.org


Type 2C40
Planar Triode


MECHANICAL DATA
BasingF11


ELECTRICAL DATA

HEATER CHARACTERISTICS
Heater Voltage6.3Volts
Heater Current0.75A


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