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PC1501

PC1/50-1 directly heated transmitting pentode designed for RF amplification and electronically coupled oscillator service. Its power construction supports transmitter generation and output stages.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 4 V / 2 A

Description

PC1/50-1 directly heated transmitting pentode for RF amplifier and electronically coupled oscillator 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: 2.7
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
250 V
ClassC;Telegraphy
Operating plate current
80 mA
ClassC;Telegraphy
RF output power
52 W
ClassC;Telegraphy
Efficiency
65 %
ClassC;Telegraphy

Characteristics

Transconductance
1500 uS
Screen-grid amplification factor
2.7

Capacitance

Plate-cathode capacitance
19 pF
Grid-cathode capacitance
14 pF
Plate-grid capacitance
0.04 pF