CV5289

Forced-air-cooled transmitting triode for high-power RF amplifier service. Rated for about 4 kW plate dissipation and 6.2 kV plate voltage, providing substantial professional communications and broadcast-frequency power.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 12.6 V / 29 A

Description

Forced-air-cooled RF transmitting triode for high-power amplifier service. Explicit equivalent/service designation printed in approved source.

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: 12.6 V
Nominal heater current: 29 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

Amplification factor: 29
Max plate voltage: 6200 V
Max plate dissipation: 4000 W
Max cathode current: 10 A

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

1971 English Electric Valve

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Filament voltage up to 70 MHz
12.6 V
Filament voltage above 70 MHz
11.8 V
Filament current
29 A
Maximum surge filament current
175 A
Frequency for full ratings
30 MHz
Frequency at reduced ratings
220 MHz
Class-C telegraphy output power
6 kW