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Tube Substitutions for:
VT-27
Medium-Mu Triode
TypeSubstitutesBase Diagram
VT-27
Web ReferencesVT-27 @ RadioMuseum.org
Sylvania Type VT-27
DETECTOR, AMPLIFIER



MECHANICAL DATA

Bulb ST-12
Base Medium 4 Pin
Basing 4D


ELECTRICAL DATA


FILAMENT CHARACTERISTICS
Filament Voltage 2.0 Volts
Filament Current 0.060 Amps

DIRECT INTERELECTRODE CAPACATIES
Grid-Plate Capacitance 6.0 ��f
Grid-Flimaent Capacitance 3.7 ��f
Plate-Flimaent Capacitance 2.1 ��f

MAXIMUM RATINGS
Plate Voltage 90 135 180 Volts
Grid Voltage -4.5 -9.0 -13.5 Volts
Plate Current 2.5 3.0 3.1 Ma
Plate Resistance 11000 10300 10300 Ohms
Amplification Factor 9.3 9.3 9.3 x
Transconductance 850 900 900 �mhos


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