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Rectifier - Full Wave ·Rectifier-Rectifier

3DG4

High-current full-wave vacuum rectifier for power-supply service. Rated for approximately 1.05 kV peak inverse voltage, 350 mA DC output, and 1.2 A peak current from a 3.3 V heater.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
5DE
Socket code
IO
Base pins
5
Nominal heater
3.3 V / 3.8 A

Description

A vacuum rectifier documented for television or power-supply service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
5DE
Socket code
IO
Base pins
5
Nominal heater voltage
3.3 V
Nominal heater current
3.8 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

5DE - 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
Rectifier peak inverse voltage
1050 V
Rectifier nominal output current
350 mA
Rectifier peak forward current
1.2 A
Rectifier forward voltage drop
25 V

First physical rectifier section; genuine rectifier ratings retained and unrelated contaminated transconductance cleared.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
1050 V
Rectifier nominal output current
350 mA
Rectifier peak forward current
1.2 A
Rectifier forward voltage drop
25 V

Second physical rectifier section; electrical properties populated from the documented 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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • MAXIMUM PEAK INVERSE PLATE VOLTAGE

    1050 VOLTS

    Published datasheet value

  • MAX IMUM STEADY—STATE PEAK PLATE CURRENT PZR PLATE

    1200 MA

    Published datasheet value

  • DC OUTPUT CURRENT 3h

    350 MA

    Published datasheet value

  • DC OUTPUT VOLTAGE AT FILTER INPUT

    300 VOLTS

    Published datasheet value

Data set 02

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak inverse plate voltage

    1050 V

    EachPlate

  • Steady state peak plate current

    1200 mA

    EachPlate

  • Transient peak plate current

    6.5 A

    EachPlate

  • Bulb temperature maximum

    200 degC

Characteristics

  • Tube voltage drop

    25 V

    350mAPerPlate

Data set 03

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Transient peak plate current per plate

    6.5 A

    MaximumDuration0.2s

  • AC plate-supply voltage per plate RMS

    275 V

    CapacitorInputFilter

  • Filter input capacitor

    40 uF

    CapacitorInputFilter

  • Total plate-supply resistance per plate

    32 ohm

    CapacitorInputFilter

  • DC output voltage at filter input

    300 V

    CapacitorInputFilter

Data set 04

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • AC Plate-to-Plate Supply Voltage

    550 V

    CapacitorInputFilter

  • Filter Input Capacitor

    40 uF

    CapacitorInputFilter

  • Total Effective Plate Supply Impedance Per Plate

    32 ohm

    CapacitorInputFilter

  • DC Output Voltage

    300 V

    CapacitorInputFilter; full-load output current 0.350 A

  • Hot-Switching Transient Plate Current Per Plate

    6.5 A

    CapacitorInputFilter

  • Bulb Temperature

    200 C

    Hottest point on bulb surface

  • Filament Voltage

    3.3 V

    AC or DC; ±10%

SECTION 2

Rectifier

Other

  • AC Plate-to-Plate Supply Voltage

    550 V

    CapacitorInputFilter

  • Filter Input Capacitor

    40 uF

    CapacitorInputFilter

  • Total Effective Plate Supply Impedance Per Plate

    32 ohm

    CapacitorInputFilter

  • DC Output Voltage

    300 V

    CapacitorInputFilter; full-load output current 0.350 A

  • Hot-Switching Transient Plate Current Per Plate

    6.5 A

    CapacitorInputFilter

  • Bulb Temperature

    200 C

    Hottest point on bulb surface

  • Filament Voltage

    3.3 V

    AC or DC; ±10%

Data set 05

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Hot-switching transient plate current per plate

    6.6 A

    FullWaveRectifier

  • AC plate-to-plate supply voltage

    660 V

    CapacitorInputFilter

  • Filter-input capacitance

    40 uF

    CapacitorInputFilter

  • DC output voltage at 350 mA

    300 V

    CapacitorInputFilter

SECTION 2

Rectifier

Other

  • Hot-switching transient plate current per plate

    6.6 A

    FullWaveRectifier