Power - Pentode (NOT beam) ·Pentode
Directly heated subminiature power pentode for portable and wearable equipment with milliwatt-level output.
Directly heated subminiature power-amplifier pentode for portable and wearable equipment.
Subminiature wire-ended
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 subminiature operating-table characteristics; plate/screen voltages below are typical operating values, not promoted as maxima.
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.
HeaterVoltageNominal
1.25 V
Nominal
HeaterCurrentNominal
10 mA
Nominal
Maximum Plate Voltage
45 V
Maximum Cathode Current
0.5 mA
Transconductance
425 µS
Typical
Plate Resistance
1600000 ohm
Typical
Data set 02
Published operating points and test conditions from this source.
Plate voltage
30 V
Grid 1 voltage
0 V
Grid 2 voltage
30 V
Plate current
0.24 mA
Grid 2 current
0.06 mA
Power output
1.35 mW
Load resistance
0.2 MOhm
Plate resistance
0.5 MOhm
Transconductance
425 uS