F8104J

ITT water-cooled RF power triode in the F8104 family for amplifier and oscillator service. Approximately 8 kW plate dissipation and multi-kilovolt capability support substantial communications or industrial RF power.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 15 V / 36 A

Description

The ITT F8104J is a water-cooled rf power triode for amplifier and 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: 15 V
Nominal heater current: 36 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: 8000 V
Max plate dissipation: 8000 W

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

1962 ITT

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Amplification factor
25

Capacitance

Grid-plate capacitance
0.2 pF
Grid-filament capacitance
16.3 pF
Plate-filament capacitance
1.9 pF

Other

Maximum plate voltage
8000 V
Maximum plate dissipation
8000 W
Water flow
3.5 gpm
Maximum water pressure
80 psi