Skip to main content

Rectifier - Damper Diode ·Rectifier

6U4GT

Indirectly heated television efficiency diode with high heater-to-cathode voltage capability for horizontal-deflection energy-recovery service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
4CG
Socket code
IO
Base pins
-
Nominal heater
6.3 V / 1.2 A

Description

Indirectly heated television efficiency diode with high heater-to-cathode voltage capability.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
4CG
Socket code
IO
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
1.2 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

4CG - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1IC—IC

EIA chart transcription; independent manufacturer corroboration pending

Unverified

EIA Base Connections, printed page 127, 4CG

PIN2IC—IC

EIA chart transcription; independent manufacturer corroboration pending

Unverified

EIA Base Connections, printed page 127, 4CG

PIN3KAK — Cathode

EIA chart transcription; independent manufacturer corroboration pending

Unverified

EIA Base Connections, printed page 127, 4CG

PIN5PAP — Plate (Anode)

EIA chart transcription; independent manufacturer corroboration pending

Unverified

EIA Base Connections, printed page 127, 4CG

PIN7H—H — Heater

EIA chart transcription; independent manufacturer corroboration pending

Unverified

EIA Base Connections, printed page 127, 4CG

PIN8H—H — Heater

EIA chart transcription; independent manufacturer corroboration pending

Unverified

EIA Base Connections, printed page 127, 4CG

Section ratings

1 physical section, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances
Max cathode current
138 mA
Rectifier peak inverse voltage
3850 V
Rectifier nominal output current
138 mA
Rectifier peak forward current
600 mA
Rectifier forward voltage drop
21 V
Rectifier max heater-cathode voltage
3850 V

Half-wave high-vacuum rectifier 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

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    1.2 A

Other

  • HotSwitchingTransientAnodeCurrent

    3.85 A

    Duration<=0.2s

Data set 02

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum peak inverse voltage

    1250 V

    TVDamper

  • Maximum DC output current

    125 mA

    TVDamper

  • Maximum peak current

    600 mA

    TVDamper

  • RMS supply voltage per plate

    350 V

    FullWave

Characteristics

  • Forward voltage drop

    21 V

    At 250 mA DC

Data set 03

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • ACPlateVoltageRMS

    350 V

    PerPlate

  • DC Output Voltage

    335 V