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Tube Substitutions for:
5639A
Semiremote-Cutoff Pentode
TypeSubstitutesBase Diagram
5639A5639WA8DL


Type 5639A
Semiremote-Cutoff Pentode



MECHANICAL DATA

Basing8DL


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage6.3Volts
Heater Current0.45A


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