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Specialized - Switching Tube ·RelayControlSwitch

5589

Three-electrode inert-gas-filled cold-cathode control tube with documented starter and anode operating characteristics, intended for heaterless relay and switching applications.

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

Description

The 5589 is a Western Electric three-electrode inert-gas-filled cold-cathode tube with published starter and anode operating characteristics.

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 1

RelayControlSwitch

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published promoted values where applicable; special microwave values retained as parameters.

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

1960 Western Electric Random 2

Published operating points and test conditions from this source.

SECTION 1

RelayControlSwitch

Other

  • Direct cathode current, 1000-hour life

    35 mA

  • Direct cathode current, 10000-hour life

    20 mA

Characteristics

  • Anode voltage drop

    55 to 70 V

    Published range