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Power - Pentode (NOT beam) ·Pentode

PC150

Directly heated oxide-cathode transmitting pentode designed for oscillator, RF amplifier, and frequency-doubler service. Its construction supports both power generation and harmonic multiplication.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
4 V / 2 A

Description

Directly heated oxide-cathode transmitting pentode for oscillator, RF amplifier and frequency-doubler service. The supplied Philips source was read for heater/filament data, ratings, characteristics, RF/television operating conditions, and capacitances where published.

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
4 V
Nominal heater current
2 A
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 1

Pentode

X-ray radiationInterelectrode capacitances
Transconductance
0.0015 S
Amplification factor
3
Max plate voltage
1000 V
Max screen voltage
300 V
Max plate dissipation
35 W
Max screen dissipation
10 W
Max cathode current
110 mA

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

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Maximum plate voltage

    1000 V

  • Maximum screen voltage

    300 V

  • Maximum plate dissipation

    35 W

  • Maximum screen dissipation

    10 W

  • Maximum cathode current

    110 mA

  • Operating plate voltage

    1000 V

    ClassC;Telegraphy

  • Operating screen voltage

    300 V

    ClassC;Telegraphy

  • Operating plate current

    80 mA

    ClassC;Telegraphy

  • RF output power

    50 W

    ClassC;Telegraphy

  • Efficiency

    62.5 %

    ClassC;Telegraphy

Characteristics

  • Transconductance

    1500 uS

  • Screen-grid amplification factor

    3

Capacitance

  • Plate-cathode capacitance

    19 pF

  • Grid-cathode capacitance

    14 pF

  • Plate-grid capacitance

    0.04 pF