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DX145

Amperex UHF/microwave power triode for amplifier and oscillator service. Its compact geometry and high transconductance provide useful multi-gigahertz operation, with published output around 1.8 W at approximately 4.06 GHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.2 V / 650 mA

Description

DX145 is listed in the supplied Amperex material as a UHF power triode. Published ratings and operating characteristics were captured from the supplied table.

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: 6.2 V
Nominal heater current: 650 mA
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

Transconductance: 0.019 S
Max plate voltage: 300 V
Max plate dissipation: 43 W
Max cathode current: 70 mA

Published ratings, characteristics, and operating conditions reviewed.

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

Other

Maximum plate voltage
300 V
Published table
Maximum plate dissipation
43 W
UHF
Maximum cathode current
70 mA
UHF
Power output
1.8 W
At 4060 MHz
Maximum frequency
2000 MHz
UHF

Characteristic

Transconductance
19000 µS
Published table
Heater/filament voltage
6.2 V
Published rating
Heater/filament current
650 mA
Published rating