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Voltage Regulator ·VoltageRegulator

SR56

Cold-cathode voltage stabilizer designed for a 5–30 mA regulating range.

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

Description

Voltage stabilizer tube for a 5-30 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
142 V
Regulator minimum current
5 mA
Regulator maximum current
30 mA
Regulator starting voltage
180 V
Regulator maintaining voltage
142 V

Published electrical characteristics preserved in parameter rows; regulator-specific fields promoted where applicable.

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

Other

  • Breakdown voltage A-K

    180 V

  • Typical supply voltage

    360 V

  • Typical operating current

    15 mA

Characteristics

  • Stabilized voltage at 30 mA

    165 V

  • Stabilized voltage at 5 mA

    142 V

  • Operating current

    5 to 30 mA

  • Regulation over 5-30 mA

    6 V

  • RMS noise voltage

    5 mV

    5-30 mA

  • Life expectancy

    10000 to - h

    Exceeding