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Power - Pentode Single (NOT beam) (under 10W) ·Pentode

2P19B

Low-power directly heated RF oscillator and power-amplifier pentode.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
2.2 V / 70 mA

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
2.2 V
Nominal heater current
70 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 0

Pentode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

HF power amplifier pentode; typical Va 120 V, Ia 7.6 mA, anode power 1 W, Vg1 -5 V, Vg2 90 V.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

2026 Russian Receiving

Published operating points and test conditions from this source.

SECTION 0

Pentode

Characteristic

  • Plate Voltage

    120 V

    Typical anode voltage

Other

  • Heater/filament voltage

    2.2 V

    Filament voltage

  • Heater/filament current

    70 mA

    Filament current