5U4GBEH

Filamentary two-plate full-wave rectifier with octal base for center-tapped AC supplies in radio and related electronic equipment, providing conventional directly heated high-current rectification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: -
Base pins: -
Nominal heater: 5 V / 3 A

Description

Filamentary two-plate full-wave rectifier with octal base for center-tapped AC rectification in radio equipment.

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: 5 V
Nominal heater current: 3 A
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

2 physical sections, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Representative section for two identical full-wave rectifier plates.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical rectifier section; electrical properties populated from corresponding identical 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

2026 Electro Harmonix

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

DiodePlateCurrent
40 mA
Plate 17 V; heater 5.0 V

SECTION 2

Rectifier

Characteristic

DiodePlateCurrent
40 mA
Plate 17 V; heater 5.0 V