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Specialized - Ignitron ·Triode

AX9900

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
6.3 V / 5.4 A

Description

Radiation- or forced-air-cooled high-frequency transmitting triode with low-inductance powdered-glass dish base.

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
6.3 V
Nominal heater current
5.4 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
2500 V
Max plate dissipation
135 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

    6.3 V

    Published transmitting-tube rating

  • Filament current

    5.4 A

    Published transmitting-tube rating

  • Amplification factor

    25

    Published power-tube table

Other

  • Maximum plate dissipation

    135 W

    Published power-tube table

  • Plate voltage

    2500 V

    TransmittingService

  • Plate current

    200 mA

    TransmittingService

  • Power output

    390 W

    TransmittingService

  • Grid bias

    -300 V

    TransmittingService

  • Grid current

    45 mA

    TransmittingService

  • Maximum frequency

    150 MHz

    FullInputWatts