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M8142

Gas-discharge tube optimized for stable reference-voltage service, generally at low current and often with special-quality or primed construction.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

SPECIAL QUALITY VOLTAGE REFERENCE TUBE Special quality 85V gas-filled voltage reference tube with flying leads, for use in equipment where mechani- cal vibration and shocks are unavoidable. PRELIMINARY DATA This data should be read in conjunction with the GENERAL NOTES— SPECIAL QUALITY VOLTAGE STABILISER & The supplied datasheet publishes electrical ratings and characteristics for this voltageregulator device.

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: 1 mA
Regulator maximum current: 10 mA
Regulator starting voltage: 115 V
Regulator maintaining voltage: 85 V
Regulator dynamic impedance: 300 Ω

Promoted values taken from published characteristics and absolute/limiting ratings.

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

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Characteristic

RegulatorVoltage
85
Promoted field source value
RegulatorCurrentMinimum
0.001
Promoted field source value
RegulatorCurrentMaximum
0.01
Promoted field source value
RegulatorStartingVoltage
115
Promoted field source value
RegulatorMaintainingVoltage
85
Promoted field source value
RegulatorDynamicImpedance
300
Promoted field source value

Other

Preferred burning current
6 mA