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Power - Triode ·Triode

EHA5000

Forced-air-cooled high-power transmitting triode designed for substantial radio-frequency amplifier or oscillator service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
11 V / 125 A

Description

Forced-air-cooled transmitting triode for RF 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
11 V
Nominal heater current
125 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
Plate resistance
2000 Ω
Transconductance
0.01 S
Amplification factor
20
Max plate voltage
8500 V
Max plate dissipation
5000 W

Explicit equivalent/previous designation published on ESA5000 datasheet.

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

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum operating frequency

    25 MHz

Construction

  • Cooling method

    Forced air

Data set 02

1961 Associated Electrical Industries

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum operating frequency

    25 MHz

  • Main air flow

    500 ft3/min

  • Seal air flow

    15 ft3/min