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STV50001

Four-section Telefunken cold-cathode reference tube whose approximately 125 V sections can be series connected for roughly 500 V low-current stabilization.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
4
Base
-
Socket code
-
Base pins
-
Nominal heater
-

Description

The Telefunken STV50001 is a four-section cold-cathode voltage-stabilizer tube; the four sections can be series connected for about 500 V stabilization.

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

4 physical sections, each with unique specifications.

Section 1

Voltage Regulator

X-ray radiationInterelectrode capacitances
Regulator voltage
125 V
Regulator minimum current
0.09 mA
Regulator maximum current
0.5 mA
Regulator starting voltage
155 V
Regulator maintaining voltage
125 V
Regulator dynamic impedance
12000 Ω

Representative of four identical stabilizer sections.

Section 2

Voltage Regulator

X-ray radiationInterelectrode capacitances
Regulator voltage
125 V
Regulator minimum current
0.09 mA
Regulator maximum current
0.5 mA
Regulator starting voltage
155 V
Regulator maintaining voltage
125 V
Regulator dynamic impedance
12000 Ω

Section 3

Voltage Regulator

X-ray radiationInterelectrode capacitances
Regulator voltage
125 V
Regulator minimum current
0.09 mA
Regulator maximum current
0.5 mA
Regulator starting voltage
155 V
Regulator maintaining voltage
125 V
Regulator dynamic impedance
12000 Ω

Section 4

Voltage Regulator

X-ray radiationInterelectrode capacitances
Regulator voltage
125 V
Regulator minimum current
0.09 mA
Regulator maximum current
0.5 mA
Regulator starting voltage
155 V
Regulator maintaining voltage
125 V
Regulator dynamic impedance
12000 Ω

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

1959 Telefunken

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Characteristics

  • Maintaining Voltage per Section

    125 V

  • Starting Voltage per Section

    155 V

    Maximum

  • Minimum Current

    0.09 mA

    Per section

  • Maximum Current

    0.5 mA

    Per section

  • Series-Connected Maintaining Voltage

    500 V

    FourSectionsSeries

  • Series-Connected Starting Voltage

    600 V

    FourSectionsSeries