Alternatives & variations Download PDF datasheet

AX9902

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: 10 V / 10 A

Description

Radiation- or forced-air-cooled high-frequency transmitting triode with a rugged 100 W filament.

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: 10 V
Nominal heater current: 10 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: 27
Max plate voltage: 4000 V
Max plate dissipation: 450 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
10 V
Published transmitting-tube rating
Filament current
10 A
Published transmitting-tube rating
Amplification factor
27
Published power-tube table

Other

Maximum plate dissipation
450 W
Published power-tube table
Plate voltage
4000 V
TransmittingService
Plate current
475 mA
TransmittingService
Power output
1673 W
TransmittingService
Grid bias
-350 V
TransmittingService
Grid current
100 mA
TransmittingService
Maximum frequency
100 MHz
FullInputWatts