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G2860

Cold-cathode glow-discharge regulator providing approximately 78 V over a broad 2–60 mA range, with a radioactive starting aid for reliable ignition.

Directly heatedCold cathodeCommon cathodeDissimilar

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

Description

G2860 is a printed exact equivalent/co-designation on the STR7560 source sheet. A cold-cathode glow-discharge regulator with a radioactive starting aid for stable low-voltage regulation; the source states that no harmful radiation is produced.

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: 78 V
Regulator minimum current: 2 mA
Regulator maximum current: 60 mA
Regulator starting voltage: 116 V
Regulator maintaining voltage: 78 V
Regulator dynamic impedance: 100 Ω

Published glow-regulator values promoted from the source sheet.

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

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Characteristic

Nominal maintaining voltage
78 V
Voltage variation over current range
6 V

Other

Current range
2 to 60 mA
Nominal current
30 mA
Radioactive starting aid
present
No harmful radiation stated by source