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Rectifier - Damper Diode ·Rectifier

6DA4

Glass-octal half-wave vacuum rectifier designed for television horizontal-deflection damper service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
4CG
Socket code
IO
Base pins
5
Nominal heater
6.3 V / 1.2 A

Description

Glass-octal half-wave vacuum rectifier used as a damper tube in television horizontal-deflection service.

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
5
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 plate voltage
4400 V
Max plate dissipation
5.5 W
Rectifier peak inverse voltage
4400 V
Rectifier nominal output current
155 mA
Rectifier peak forward current
900 mA
Rectifier forward voltage drop
21 V
Rectifier max heater-cathode voltage
4400 V
Rectifier warm-up time
11 s

Published promoted values applied where applicable; additional ratings and operating data retained 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

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak inverse voltage

    4400 V

  • Peak plate current

    900 mA

  • DC plate current

    155 mA

Capacitance

  • Heater-to-cathode capacitance

    3 pF

  • Plate-to-cathode/heater capacitance

    6 pF

Data set 02

1965 Westinghouse Data Book

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater Voltage

    6.3 V

  • Heater Current

    1.2 A

  • Voltage Drop

    21 V

    Ib=250mA

Other

  • Peak Inverse Voltage

    4400 V

  • Plate Dissipation

    5.5 W

  • Peak Plate Current

    900 mA

  • DC Plate Current

    155 mA

Data set 03

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum DC plate current, design center

    145 mA

  • Maximum heater-cathode voltage, heater negative DC

    900 V

  • Maximum heater-cathode voltage, heater negative total DC and peak

    4400 V

  • Maximum heater-cathode voltage, heater positive DC

    100 V

  • Maximum heater-cathode voltage, heater positive total DC and peak

    300 V

Capacitance

  • Heater-to-cathode capacitance

    3 pF

  • Plate-to-cathode-and-heater capacitance

    6 pF

  • Cathode-to-plate-and-heater capacitance

    8 pF

Data set 04

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • HeaterVoltageNominal

    6.3 V

  • HeaterCurrentNominal

    1.2 A

  • Maximum Plate Dissipation

    5.5 W

    DamperService

Data set 05

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Voltage (AC or DC) — published value 1

    6.3 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Voltage (AC or DC) — published value 2

    10 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Current

    1.2 A

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Plate to cathode and heater

    6

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Cathode to plate and heater

    8

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Heater to cathode

    3

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 1~-Same as — published value 1

    1

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 1~-Same as — published value 2

    3

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 2 — published value 1

    2

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 2 — published value 2

    5

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 2 -Internal — published value 1

    2

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 2 -Internal — published value 2

    7

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Connection—

    8

    Published datasheet value; multiple values represent separate source-table limits or conditions.

Other

  • PEAK INVERSE PLATE VOLTAGE`

    4400 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • PEAK PLATE CURRENT

    900 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • DC PLATE CURRENT

    155 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • PLATE DISSIPATION — published value 1

    5 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • PLATE DISSIPATION — published value 2

    5 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Heater negative with respect to cathode 4400 max,

    4400 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Heater positive with respect to cathode

    300 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

Data set 06

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Heater Voltage (ac/dc) 6.3

    16.8 V

    Published in approved 17DM4A target datasheet entry; Section1

  • Heater Current 1.2

    450 mA

    Published in approved 17DM4A target datasheet entry; Section1

  • Heater Warm-up Time (Average)

    11 seconds

    Published in approved 17DM4A target datasheet entry; Section1

  • Peak Inverse Plate Voltage*

    6000 V

    Published in approved 17DM4A target datasheet entry; Section1

  • Peak Plate Current +100

    1200 mA

    Published in approved 17DM4A target datasheet entry; Section1

  • +300

    200 mA

    Published in approved 17DM4A target datasheet entry; Section1

  • Plate Dissipation

    6.5 W

    Published in approved 17DM4A target datasheet entry; Section1

  • Peak value

    -5000 V

    Published in approved 17DM4A target datasheet entry; Section1

  • Average value

    -900 V

    Published in approved 17DM4A target datasheet entry; Section1

  • # Pulse duration must not exceed 15% of a horizontal scanning cycle (

    10 microseconds

    Published in approved 17DM4A target datasheet entry; Section1