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Specialized - Switching Tube ·Thyratron

ASG5212

Inert-gas cold-cathode triode for relay, timing, and control service. Gas-discharge operation provides heaterless switching.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
-

Description

Inert-gas-filled cold-cathode triode for relay, timing, and control service.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
9
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 1

Thyratron

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

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 AEG

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristics

  • Anode ignition voltage

    400 V

  • Starter ignition voltage minimum

    -131 V

  • Starter ignition voltage maximum

    -115 V

  • Anode-cathode arc voltage drop

    110 V

    Approximate

Other

  • Maximum peak anode current

    125 mA

  • Maximum starter peak current

    0.4 mA