Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Rectifier - Full Wave ·Rectifier-Rectifier

5AW4

High-current directly heated full-wave vacuum rectifier designed for substantial DC power supplies. Its 5 V filament supports approximately 250 mA nominal rectified output and high peak inverse-voltage operation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
5T
Socket code
IO
Base pins
8
Nominal heater
5 V / 3 A

Description

High-current full-wave directly heated vacuum rectifier.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
5T
Socket code
IO
Base pins
8
Nominal heater voltage
5 V
Nominal heater current
3 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

5T - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1ISAIS — Internal Screen

EIA chart transcription; manufacturer corroboration pending

Unverified

EIA Base Connections, printed page 127, 5T

PIN2F—F — Filament

EIA chart transcription; manufacturer corroboration pending

Unverified

EIA Base Connections, printed page 127, 5T

PIN4P1AP — Plate (Anode)

EIA chart transcription; manufacturer corroboration pending; preserve source designation P1

Unverified

EIA Base Connections, printed page 127, 5T

PIN6P2AP — Plate (Anode)

EIA chart transcription; manufacturer corroboration pending; preserve source designation P2

Unverified

EIA Base Connections, printed page 127, 5T

PIN8F—F — Filament

EIA chart transcription; manufacturer corroboration pending

Unverified

EIA Base Connections, printed page 127, 5T

Section ratings

2 physical sections, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
1550 V
Rectifier nominal output current
250 mA
Rectifier peak forward current
750 mA
Rectifier forward voltage drop
46 V

Published full-wave rectifier ratings promoted from the printed chart; supply-voltage and voltage-drop test conditions retained as parameters.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
1550 V
Rectifier nominal output current
250 mA
Rectifier peak forward current
750 mA
Rectifier forward voltage drop
46 V

Second physical rectifier section; electrical properties populated from applicable published ratings.

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

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Filament/heater voltage

    5 V

    Published condensed-characteristics chart

  • Filament/heater current

    4 A

    Published condensed-characteristics chart

  • DC output current maximum

    250 mA

    FullWave

  • Peak inverse voltage maximum

    1550 V

    FullWave

  • RMS supply voltage per plate maximum

    450 V

    FullWave

  • Peak current per plate maximum

    750 mA

    FullWave

Characteristic

  • Tube voltage drop

    46 V

    At 250 mA DC

Data set 02

1965 Westinghouse Data Book

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak inverse plate voltage maximum

    1550 V

  • AC plate supply voltage per plate

    350 V RMS

    CapacitorInputFilter

  • Input capacitor

    40 uF

    CapacitorInputFilter

  • DC output current

    350 mA

    CapacitorInputFilter

  • DC output voltage at filter input

    422 V

    CapacitorInputFilter

  • AC plate supply voltage per plate

    500 V RMS

    ChokeInputFilter

  • Input choke

    10 H

    ChokeInputFilter

  • DC output current

    350 mA

    ChokeInputFilter

  • DC output voltage at filter input

    445 V

    ChokeInputFilter

Characteristics

  • Heater voltage

    5 V

  • Heater current

    3 A

Application

  • Application

    Full-wave power-supply rectifier

SECTION 2

Rectifier

Other

  • Peak inverse plate voltage maximum

    1550 V

  • AC plate supply voltage per plate

    350 V RMS

    CapacitorInputFilter

  • Input capacitor

    40 uF

    CapacitorInputFilter

  • DC output current

    350 mA

    CapacitorInputFilter

  • DC output voltage at filter input

    422 V

    CapacitorInputFilter

  • AC plate supply voltage per plate

    500 V RMS

    ChokeInputFilter

Characteristics

  • Heater voltage

    5 V

  • Heater current

    3 A