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Power - Triode ·Triode

GU10B

High-power RF triode for amplifier and oscillator service. Approximately 1 kW plate dissipation and a heavy directly heated cathode emphasize high-current radio-frequency operation in communications and industrial equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
7.15 V / 75 A

Description

High-power RF triode for amplifier or oscillator service.

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
7.15 V
Nominal heater current
75 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

Triode

X-ray radiationInterelectrode capacitances
Max plate dissipation
1000 W
Max grid dissipation
300 W

English text primary; Russian used only as secondary cross-check.

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

1968 Electronintorg

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Operating Frequency

    26 MHz

  • Maximum Anode Dissipation

    1000 W

  • Maximum Grid Dissipation

    300 W

  • Filament Starting Current

    115 A

Characteristic

  • Heater/Filament Voltage

    7.15 V

  • Heater/Filament Current

    75 A

  • Transconductance

    15000 to 25000 uS

  • Amplification Factor

    40 to 55