Power - Pentode Single (NOT beam) (under 10W) ·Pentode
Power pentode designed for radio-frequency transmitting, Class-C power amplification, oscillation, or frequency-multiplier service.
Directly heated subminiature power pentode for frequency multiplication and low-voltage RF power service.
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Published electrical limits and characteristics promoted from the approved source; identical repeated sections compressed where applicable.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Heater or filament voltage
1.25 V
Published nominal or representative value
Heater or filament current
125 mA
Published nominal or representative value
Transconductance
1950 µS
Published operating characteristic
Maximum plate dissipation
1.5 W
Published maximum rating
Frequency-doubler output frequency
250 MHz
Published frequency-doubler condition
Data set 02
Published operating points and test conditions from this source.
HeaterVoltageNominal
1.25 V
Nominal
HeaterCurrentNominal
125 mA
Nominal
Maximum Plate Voltage
135 V
Maximum Screen Voltage
135 V
Maximum Plate Dissipation
1.5 W
Maximum Screen Dissipation
0.6 W
Maximum Cathode Current
14 mA
FrequencyMultiplierService
1
Published double-frequency service
Transconductance
1950 µS
Typical