KD63

Subminiature neon-filled cold-cathode reference tube for stable low-current operation around 62 V.

Directly heatedCold cathodeCommon cathodeDissimilar

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

Description

Subminiature neon-filled cold-cathode voltage-reference tube for stable low-current reference service.

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: 62 V
Regulator minimum current: 0.2 mA
Regulator maximum current: 2.5 mA
Regulator starting voltage: 105 V
Regulator maintaining voltage: 62 V

Published Ferranti ratings and characteristics promoted where applicable; additional electrical, pulse, regulator, microwave, and operating data retained as parameters.

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 Ferranti

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Other

Voltage to ensure ignition minimum
105 V
Operating current maximum
2.5 mA
Operating current minimum
200 uA
Ionisation-maintaining current minimum
20 uA
Preferred operating current range
1.0 to 1.2 mA

Characteristics

Operating voltage minimum
60 V
Operating voltage maximum
64 V
Regulation 1.0-1.2 mA
0.1 V
Regulation 0.5-2.2 mA
0.4 V
Regulation 0.2-2.5 mA
0.75 V

Application

Application
Precision voltage reference