8044

High-power triode designed for pulse-modulator service, with manufacturer ratings centered on short-duration high-voltage, high-current pulses rather than continuous RF or audio operation. Its intended role is switching or modulating pulsed power in professional equipment.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 8 V / 185 A

Description

Forced-air-cooled hard-tube pulse modulator triode with thoriated-tungsten 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: 8 V
Nominal heater current: 185 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: 20
Max plate voltage: 30000 V
Max plate dissipation: 20000 W
Max cathode current: 105 A

Published electrical limits and characteristics promoted from the approved source; non-schema quantities 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

1947 Westinghouse

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

HeaterVoltageNominal
8 V
Nominal
HeaterCurrentNominal
185 A
Nominal
MaximumPlateOrOperatingVoltage
30000 V
Maximum Plate Dissipation
20000 W
Maximum Cathode Current
105 A
PeakPulsePlateCurrentMaximum
80 A
PeakPulseGridCurrentMaximum
25 A
PulseLengthMaximum
1000 us
DutyFactorMaximum
0.02

Characteristic

Amplification Factor
20
Typical