Skip to main content

Voltage Regulator ·VoltageRegulator

SR41

Subminiature precision reference maintaining approximately 85 V at only 50–250 µA, with firing anode and very small specified voltage jumps.

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

Description

Subminiature cold-molybdenum-cathode voltage reference tube for very-low-current stabilization from 50 to 250 microamperes.

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
85 V
Regulator minimum current
0.05 mA
Regulator maximum current
0.25 mA
Regulator starting voltage
135 V
Regulator maintaining voltage
85 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

  • Breakdown voltage with firing anode

    95 V

    UAZ=150V

  • Firing-anode breakdown voltage

    150 V

  • Stabilized voltage

    83 to 87 V

    50uA

  • Regulation

    5 V

    50-250uA

  • Voltage jumps maximum

    1 mV