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XD45

Forced-air-cooled pulse power triode for amplifier and modulator-switch service. Approximately 25 kV plate capability and substantial dissipation support demanding high-voltage pulsed-power and switching applications.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 11 V / 29 A

Description

The XD45 is a forced-air-cooled pulse triode for amplifier and modulator-switch 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: 11 V
Nominal heater current: 29 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: 25000 V
Max plate dissipation: 6000 W
Max cathode current: 6 A

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

1960 Central Electronic Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Amplification factor
20
Heater/filament voltage
11 V
Heater/filament current
29 A

Other

Maximum plate/anode voltage
25000 V
Maximum plate/anode dissipation
6000 W
Peak cathode current
200 A
CW plate voltage
8000 V
DC plate current
6 A