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Voltage Regulator ·VoltageRegulator

8612

Extremely high-voltage cold-cathode regulator maintaining approximately 6 kV at microampere currents for specialized high-voltage reference service.

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

Description

The 8612 is a gas-filled cold-cathode corona-mode voltage regulator providing approximately 6 kV reference voltage.

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

No fixed ratings are recorded for this section.

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

1964 RMA EIA

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Other

  • Maximum Peak Cathode Current

    900 uA

    Pulse

  • Minimum Cathode Current

    50 uA

Characteristics

  • Anode Voltage Drop Minimum

    5825 V

    Ia=100uA

  • Anode Voltage Drop Nominal

    6000 V

    Ia=100uA

  • Anode Voltage Drop Maximum

    6175 V

    Ia=100uA

  • Breakdown Voltage

    6600 V

    DarkOrLight

  • Regulation

    55 V

    CurrentRange=50to500uA

  • Repeatability

    60 V