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Power - Pentode (NOT beam) (over 1000V 100W) ·Pentode

P1000

Philips/Valvo directly heated transmitting pentode intended for approximately kilowatt-class Class-C telegraphy output. Its high-power construction is optimized for radio-frequency transmitter final stages.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
12 V / 6.2 A

Description

Philips/Valvo P1000 SFR transmitting pentode, directly heated and intended for approximately kilowatt-class class-C telegraphy output.

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
12 V
Nominal heater current
6.2 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
0.006 S
Max plate voltage
3000 V
Max plate dissipation
600 W

Published ratings and characteristics were promoted when unambiguous; additional operating values are preserved in TUBE_SECTION_PARAMETER.

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

194X Wehrmacht Rohren

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Plate voltage

    3000 V

    Class C telegraphy

  • Plate current

    500 mA

    Class C telegraphy

  • Screen voltage

    900 V

    Class C telegraphy

  • Control-grid voltage

    -250 V

    Class C telegraphy

  • Drive power

    12 W

    Class C telegraphy

  • RF output power

    1000 W

    Class C telegraphy