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Specialized - Thyratron ·Thyratron

FG41

High-voltage negative-control mercury-vapor thyratron for substantial industrial power switching. Its massive heater supports heavy controlled current.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
5 V / 20 A

Description

The FG-41 is a mercury-vapor thyratron with a negative control characteristic for high-voltage controlled-current applications.

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
5 V
Nominal heater current
20 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 0

Thyratron

X-ray radiationInterelectrode capacitances
Max plate voltage
10000 V
Max cathode current
12.5 A

High-voltage thyratron. Forward peak anode maximum and average anode current promoted.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 0

Thyratron

Other

  • Peak Inverse Anode Voltage

    10000 V

  • Instantaneous Anode Current

    75 A

    25CyclesAndAbove

  • Surge Anode Current

    1500 A

    DesignOnly