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Power - TV Horizontal Output (sweep) ·BeamPower

6DQ5

High-perveance beam-power pentode designed as the horizontal-deflection amplifier in color television receivers.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
BJC
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 2.5 A

Description

The 6DQ5 is a high-perveance beam-power pentode designed as the horizontal-deflection amplifier in color television receivers.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
BJC
Socket code
IO
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
2.5 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

BJC - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances
Plate resistance
5500 Ω
Transconductance
0.0105 S
Amplification factor
3.3
Max plate voltage
990 V
Max screen voltage
190 V
Max plate dissipation
24 W
Max screen dissipation
3.2 W
Max cathode current
315 mA

Horizontal-deflection beam-power section; pulse ratings 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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Peak Positive Pulse Plate Voltage

    7000 V

    Absolute maximum

  • Peak Negative Pulse Plate Voltage

    1500 V

  • Peak Cathode Current

    1000 mA

Characteristic

  • Plate Current

    110 mA

    175 V plate, 125 V screen

Data set 02

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Peak positive pulse plate voltage

    6500 V

    TVHorizontalDeflection;Pulse

  • Peak negative pulse plate voltage

    1100 V

    TVHorizontalDeflection;Pulse

  • Peak cathode current

    1100 mA

    TVHorizontalDeflection;Pulse

Capacitance

  • Grid-to-plate capacitance

    0.5 pF

  • Input capacitance

    23 pF

Data set 03

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Heater voltage

    6.3 V

  • Heater current

    2.5 A

  • DC plate-supply voltage

    990 V

    HorizontalDeflection

  • Peak positive pulse plate voltage

    6500 V

    HorizontalDeflection

  • Peak negative pulse plate voltage

    -1100 V

    HorizontalDeflection

  • Screen voltage

    190 V

    HorizontalDeflection

  • Peak negative grid voltage

    -250 V

    HorizontalDeflection

  • Peak cathode current

    1100 mA

    HorizontalDeflection

  • Average cathode current

    315 mA

    HorizontalDeflection

  • Screen input

    3.2 W

  • Plate dissipation

    24 W

Capacitance

  • Grid-to-plate capacitance

    0.5 pF

  • Input capacitance

    23 pF

Data set 04

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

  • Grid No.1-to-plate capacitance

    0.5 pF

  • Grid No.1-to-other-electrodes capacitance

    23 pF

  • Plate-to-other-electrodes capacitance

    11 pF

Other

  • Plate voltage

    175 V

    ClassA;PentodeConnection

  • Screen-grid voltage

    125 V

    ClassA;PentodeConnection

  • Grid voltage

    -25 V

    ClassA;PentodeConnection

  • Plate current

    110 mA

    ClassA;PentodeConnection

  • Screen-grid current

    5 mA

    ClassA;PentodeConnection

  • Peak positive-pulse plate voltage

    6500 V

    HorizontalDeflection

  • Average cathode current

    315 mA

    HorizontalDeflection