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Specialized - Ignitron ·Triode

AX9901

Industrial transmitting power triode intended for RF amplification, oscillation, or modulation. Manufacturer data emphasize substantial plate power, professional transmitter operation, and construction suited to continuous high-power service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
5.25 V / 14.1 A

Description

Radiation- or forced-air-cooled low-drive high-frequency transmitting triode.

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
5.25 V
Nominal heater current
14.1 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
25
Max plate voltage
3000 V
Max plate dissipation
250 W

Promoted only where the locked section schema has a direct semantic match; device-specific thyratron, magnetron, transmitting-tube, ignitron, and broadband data are retained 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

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Filament voltage

    5.25 V

    Published transmitting-tube rating

  • Filament current

    14.1 A

    Published transmitting-tube rating

  • Amplification factor

    25

    Published power-tube table

Other

  • Maximum plate dissipation

    250 W

    Published power-tube table

  • Plate voltage

    3000 V

    TransmittingService

  • Plate current

    363 mA

    TransmittingService

  • Power output

    950 W

    TransmittingService

  • Grid bias

    -400 V

    TransmittingService

  • Grid current

    80 mA

    TransmittingService

  • Maximum frequency

    100 MHz

    FullInputWatts