Skip to main content

Specialized - Switching Tube ·MicrowaveTRSwitch

BT31

Arcotron cold-cathode power switching tube with thyratron-like characteristics for AC or DC power switching and solenoid-valve control.

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

Description

Arcotron cold-cathode power switching tube with thyratron-like characteristic for AC or DC power switching and solenoid-valve control.

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
-
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 0

MicrowaveTRSwitch

X-ray radiationInterelectrode capacitances
Max cathode current
10 A

Cold-cathode switching/relay/display section; device-specific glow-discharge values preserved in parameter table.

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

1962 Cerberus

Published operating points and test conditions from this source.

SECTION 0

MicrowaveTRSwitch

Characteristic

  • Anode Breakdown Voltage

    600 to - V

    Grid bias -25 V

  • ArcVoltageAK

    20 V

Other

  • AuxiliaryAnodeBreakdownVoltage

    - to 250 V

  • PermanentCathodeCurrent

    - to 300 mA

  • Peak Cathode Current

    - to 10 A

  • InverseAnodeVoltage

    - to 600 V