Skip to main content

Specialized - Vacuum Capacitor ·Capacitor

4034A

Fixed evacuated 26 pF high-voltage capacitor specified for approximately 40 kV RMS test voltage.

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

Description

Special evacuated electrical device documented in the Standard Valves catalogue.

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

Capacitor

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published ratings/characteristics promoted; remaining useful source values represented 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

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

Capacitor

Characteristics

  • Vacuum condenser capacitance

    26 pF

Other

  • Test voltage

    40000 V RMS