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Specialized - Ignitron ·IgnitronPowerSwitch

S1540DV

High-current thyratron for industrial power control. Its heavy directly heated cathode supports substantial controlled discharge.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
2.5 V / 12 A

Description

Noble-gas thyratron with directly heated oxide cathode for electronic control systems, stepless motor-speed control and ignitron triggering.

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
2.5 V
Nominal heater current
12 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

IgnitronPowerSwitch

X-ray radiationInterelectrode capacitances
Max plate voltage
1500 V

Published electrical limits and characteristics promoted from the approved source.

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

IgnitronPowerSwitch

Characteristics

  • Heater or filament voltage

    2.5 V

    Published nominal value

  • Heater or filament current

    12 A

    Published nominal value

Other

  • Peak cathode current

    40 A

    Published peak limit