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Voltage Regulator ·VoltageRegulator

SR7

Subminiature molybdenum-cathode voltage-reference tube with soldering leads, operating over approximately 0.5–5 mA.

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

Description

Cold molybdenum-cathode subminiature voltage reference tube with soldering leads; stabilizing range 0.5-5 mA.

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
104 V
Regulator minimum current
0.5 mA
Regulator maximum current
5 mA
Regulator starting voltage
140 V
Regulator maintaining voltage
104 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

    140 V

  • Typical supply voltage

    190 V

Characteristics

  • Stabilized voltage at 1.5 mA

    102 to 105 V

  • Operating current

    0.5 to 5 mA

  • Regulation over 0.5-3 mA

    1.5 V

  • Variation of stabilized voltage during 20000 h

    1 V

  • Life expectancy

    30000 to - h

    Exceeding