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Power - TV Horizontal Output (sweep) ·BeamPower

6CB5A

Glass-octal beam-power tube designed as a horizontal-deflection amplifier in color and black-and-white television receivers.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
8GD
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 2.5 A

Description

Glass-octal beam-power tube used as a horizontal-deflection amplifier in color and black-and-white television receivers.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
8GD
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
2.5 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

8GD - 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
5000 Ω
Transconductance
0.0088 S
Amplification factor
3.8
Max plate voltage
880 V
Max screen voltage
220 V
Max plate dissipation
26 W
Max screen dissipation
4 W
Max cathode current
240 mA

Beam power horizontal-deflection service.

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

Application

  • Service

    Horizontal deflection amplifier

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Heater voltage

    6.3 V

  • Heater current

    2.5 A

  • Plate voltage

    6800 V

    Typical operating conditions

  • Plate current

    46090 mA

    Typical operating conditions

Data set 03

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

  • Grid-to-plate capacitance

    0.4 pF

  • Input capacitance

    22 pF

  • Output capacitance

    10 pF

Other

  • Peak positive pulse plate voltage

    6800 V

    HorizontalDeflection

  • Peak negative pulse plate voltage

    -1650 V

    HorizontalDeflection

  • Peak cathode current

    850 mA

    HorizontalDeflection

  • Plate voltage

    175 V

    ClassA

  • Grid #2 voltage

    175 V

    ClassA

  • Plate current

    90 mA

    ClassA

  • Grid #2 current

    6 mA

    ClassA

Data set 04

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Voltage (AC or DC~

    6.3 V

    Published table column 1 of 2

  • Voltage (AC or DC~

    10 V

    Published table column 2 of 2

  • E~. =

    6.3 V

  • GRID-N=

    2 V

    Published table column 1 of 2

  • GRID-N=

    150 V

    Published table column 2 of 2

Capacitance

  • Grid No. l to plate

    0.4 pF

  • Plate Voltage

    75 V

    Published table column 1 of 2

  • Plate Voltage

    175 V

    Published table column 2 of 2

  • Grid

    0 V

    Published table column 1 of 4

  • Grid

    2 V

    Published table column 2 of 4

  • Grid

    150 V

    Published table column 3 of 4

  • Grid

    175 V

    Published table column 4 of 4

  • Grid-No.l Voltage

    0 V

    Published table column 1 of 2

  • Grid-No.l Voltage

    -30 V

    Published table column 2 of 2

  • Plate Resistance (Approx )

    5000 Ω

  • Transconductance

    8800 µS

  • Plate Current

    460 mA

    Published table column 1 of 2

  • Plate Current

    90 mA

    Published table column 2 of 2

  • for plate ma. =

    1 V

    Published table column 1 of 2

  • for plate ma. =

    -60 V

    Published table column 2 of 2

Other

  • DC ( Including boost) PLATE VOLTAGFA

    880 V

  • PEAK POSITIVE-PULSE PLATE VOLTAGE

    6800 V

  • PEAK NEGATIVE-PULSE PLATE VOLTAGE

    1650 V

  • DC GRID-No.l (CONTROL-GRID) VOLTAGE_

    -55 V

  • Peak

    850 mA

  • DC

    240 mA

  • PLATE DISSIPATIONt

    26 W

  • respect to cathode

    200 V

  • Por grid-resistor-bias operation

    0.47 MΩ

  • The do component must not exceed

    100 V

Data set 05

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Heater Voltage (ac/dc)

    6.3 V

    Published in approved 6CB5A target datasheet entry; Section1

  • Heater Current

    2.5 A

    Published in approved 6CB5A target datasheet entry; Section1

  • Plate Current 460»

    90 mA

    Published in approved 6CB5A target datasheet entry; Section1

  • Grid-No.2 Current 42»

    6 mA

    Published in approved 6CB5A target datasheet entry; Section1

  • Grid-No. 1 Voltage (Approx.) for plate current of

    1 mA

    Published in approved 6CB5A target datasheet entry; Section1

  • DC Plate Voltage

    880 V

    Published in approved 6CB5A target datasheet entry; Section1

  • Peak Positive-Pulse Plate Voltage*

    6800 V

    Published in approved 6CB5A target datasheet entry; Section1

  • Peak Negative-Pulse Plate Voltage

    1660 V

    Published in approved 6CB5A target datasheet entry; Section1

  • DC Grid-No. 1 (Control-Grid) Voltage

    -56 V

    Published in approved 6CB5A target datasheet entry; Section1

  • Peak Negative-Pulse Grid-No. 1 Voltage

    220 V

    Published in approved 6CB5A target datasheet entry; Section1

  • Peak Cathode Current

    850 mA

    Published in approved 6CB5A target datasheet entry; Section1

  • Average Cathode Current

    240 mA

    Published in approved 6CB5A target datasheet entry; Section1

  • Grid-No.2 Input

    4 W

    Published in approved 6CB5A target datasheet entry; Section1

  • Plate Dissipation!

    26 W

    Published in approved 6CB5A target datasheet entry; Section1

  • Bulb Temperature (At hottest point)

    220 °C

    Published in approved 6CB5A target datasheet entry; Section1

  • Grid-No.l-Circuit Resistance

    0.47 MΩ

    Published in approved 6CB5A target datasheet entry; Section1

Capacitance

  • Grid No.l to Plate

    0.4 pF

    Published in approved 6CB5A target datasheet entry; Section1

  • Grid No.l to Cathode, Heater, Grid No.2, and Grid No.3

    22 pF

    Published in approved 6CB5A target datasheet entry; Section1

  • Plate to Cathode, Heater, Grid No.2, and Grid No.3

    10 pF

    Published in approved 6CB5A target datasheet entry; Section1

Characteristic

  • Plate Voltage 75

    175 V

    Published in approved 6CB5A target datasheet entry; Section1

  • Grid-No.2 Voltage 150

    175 V

    Published in approved 6CB5A target datasheet entry; Section1

  • Grid-No.l Voltage 0

    -30 V

    Published in approved 6CB5A target datasheet entry; Section1