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Voltage Regulator ·VoltageRegulator

SR44

Subminiature voltage-reference tube with low tritium preionization for stable operation over approximately 0.5–5 mA.

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

Description

Subminiature cold-molybdenum-cathode voltage reference tube with low tritium preionization for a 0.5-5 mA stabilizing range.

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

Voltage Regulator

X-ray radiationInterelectrode capacitances
Regulator voltage
84 V
Regulator minimum current
0.5 mA
Regulator maximum current
5 mA
Regulator starting voltage
115 V
Regulator maintaining voltage
84 V

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 1

Voltage Regulator

Characteristics

  • Stabilized voltage

    82 to 87 V

    1.5mA

  • Voltage regulation maximum

    1.5 V

    1-3mA

  • Current for normal glow discharge

    4 mA

  • Stabilized-voltage change over 20000 h maximum

    1 V