Skip to main content

Specialized - Magnetron ·Magnetron

2J55

Fixed-frequency pulsed X-band magnetron centered near 9.375 GHz for search and navigation radar.

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

Description

Fixed-frequency pulsed X-band magnetron centered at 9375 MHz for search and navigation radar.

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
-
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 plate voltage
16000 V

Amperex pulsed magnetron for radar/high-intensity RF pulse service.

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Magnetron

Characteristic

  • HeaterOrFilamentVoltage

    6.3 V

  • CenterFrequency

    9375 MHz

    XBand

Other

  • Peak Anode Current

    12 A

    Pulsed

  • Peak Power Output

    45 kW

    Pulsed

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

    40 kW

    Pulsed

  • Average RF output power

    40 W

    Pulsed

  • Pulsed plate voltage

    12 kV

    Pulsed

  • Pulsed plate current

    12 A

    Pulsed

  • Average plate current

    12 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

  • temperature below 100

    9 C

    temperature below 100 9C is recommended.

  • temperature below

    100 °C

    temperature below 100 °C is recommended.