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Specialized - Magnetron ·Magnetron

2J42

Amperex pulsed magnetron designed for radar and other high-intensity RF pulse service.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 600 mA

Description

2J42 is a Magnetron device. Amperex pulsed magnetron for radar/high-intensity RF pulse service. Published operating, rating, and characteristic data from the supplied page were preserved in the technical output.

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
6.3 V
Nominal heater current
600 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

Magnetron

X-ray radiationInterelectrode capacitances
Max cathode current
5.5 A

Microwave-device section. Standard promoted fields contain the closest directly equivalent published anode/beam limits; device-specific quantities are preserved 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

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Magnetron

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    600 mA

    Nominal

  • PeakAnodeCurrentMinimum

    3.5 A

  • PeakAnodeCurrentMaximum

    5.5 A

  • PulseInputPowerMaximum

    33000 W

  • MaximumPulseDuration

    2.5 us

Characteristic

  • FrequencyRange

    9.345 to 9.405 GHz

    Published operating range

  • RFOutputPower

    7000 W

    Pulse

Data set 02

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Magnetron

Other

  • Frequency

    9345 to 9405 MHz

  • Pulsed RF output power

    7 kW

    Pulsed

  • Average RF output power

    7 W

    Pulsed

  • Pulsed plate voltage

    5.5 kV

    Pulsed

  • Pulsed plate current

    4.5 A

    Pulsed

  • Average plate current

    4.5 mA

    Pulsed

  • Magnetic field

    Packaged

  • Duty factor

    0.001

    Pulsed

Data set 03

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Magnetron

Characteristic

  • of delivering a peak output power Wop >

    7 kW

    of delivering a peak output power Wop > 7 kW

  • 3)The heater voltage must be reduced from

    6.3 V

    3)The heater voltage must be reduced from 6.3 V to 4.5 V

  • 3)The heater voltage must be reduced from

    4.5 V

    3)The heater voltage must be reduced from 6.3 V to 4.5 V