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Power - TV Horizontal Output (sweep) ·BeamPower

EL500

Magnoval beam-power tube designed for television horizontal-deflection amplification, providing repetitive current capability for later-generation line-output transformer drive.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
9NH
Socket code
B9D
Base pins
9
Nominal heater
6.3 V / 1.3 A

Description

Magnoval beam-power tube used as a horizontal-deflection amplifier in television receivers.

Socket description

Magnoval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
9NH
Socket code
B9D
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
1.3 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

9NH - 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
Max plate voltage
300 V
Max screen voltage
300 V
Max plate dissipation
12 W
Max screen dissipation
4 W
Max cathode current
250 mA

Promoted ratings and characteristics are taken from the printed target-tube entry in the approved PDF.

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

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Plate voltage

    75 V

    HorizontalDeflection

  • Screen voltage

    200 V

    HorizontalDeflection

  • Control-grid voltage

    -10 V

    HorizontalDeflection

  • Plate current

    440 mA

    HorizontalDeflection

  • Screen current

    37 mA

    HorizontalDeflection

  • Peak plate voltage maximum

    7000 V

    HorizontalDeflection

  • Application

    Horizontal-deflection output stage in television receivers

    Section1

Data set 02

1963 Philips Electron Tubes Handbook V1a

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Heater voltage

    6.3 V

    Published heater rating

  • Heater current

    1.4 A

    Published heater rating

Other

  • Plate voltage

    75 V

    HorizontalDeflection

  • Screen voltage

    200 V

    HorizontalDeflection

  • Grid bias

    -10 V

    HorizontalDeflection

  • Peak plate current

    440 mA

    HorizontalDeflection

  • Peak screen current

    30 mA

    HorizontalDeflection

  • Peak plate voltage

    7000 V

    HorizontalDeflection

Data set 03

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Heater voltage

    6.3 V

    Published nominal value

  • Heater current

    1.38 A

    Published nominal value

Data set 04

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • 75; g;rid-No

    2 V

    Published in approved XL500 target datasheet entry; Section1

  • mA, 440; grid-No

    2 mA

    Published in approved XL500 target datasheet entry; Section1

  • Heater Voltage (ac/dc) 6.3 13.3 18

    27 V

    Published in approved XL500 target datasheet entry; Section1

  • Heater Current 1.38 0.6 0.45

    300 mA

    Published in approved XL500 target datasheet entry; Section1

  • Peak Positive-Pulse Plate Voltage*

    7700 V

    Published in approved XL500 target datasheet entry; Section1

  • DC Giid-No.2 (Screen-Grid) Voltage

    275 V

    Published in approved XL500 target datasheet entry; Section1

  • Average Cathode Current

    275 mA

    Published in approved XL500 target datasheet entry; Section1

  • Plate Dissipation 4

    17 W

    Published in approved XL500 target datasheet entry; Section1

  • Grid-No.2 Input"

    5 W

    Published in approved XL500 target datasheet entry; Section1

  • Without grid current

    0.5 MΩ

    Published in approved XL500 target datasheet entry; Section1

  • With grid current (horizontal-output service only)

    2.2 MΩ

    Published in approved XL500 target datasheet entry; Section1

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

    10 microseconds

    Published in approved XL500 target datasheet entry; Section1

  • Grid-No.2 input may reach

    6 W

    Published in approved XL500 target datasheet entry; Section1

  • Grid-No.2 input may reach 6 watts for plate-dissipation values below

    11 W

    Published in approved XL500 target datasheet entry; Section1

Data set 05

1981 Russian Tubes Katsnelson and Larionov

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Heater voltage

    6.3 V

    Published nominal/basic-parameter heater condition.

  • Heater current

    1300 mA

    Published heater current.

  • Pulse plate current

    440 mA

    Published in the filename-designated tube entry.

Other

  • Maximum plate voltage

    300 V

    Published limiting operating value.

  • Maximum screen voltage

    300 V

    Published limiting operating value.

  • Maximum cathode current

    250 mA

    Published limiting cathode-current value.

  • Maximum plate dissipation

    12 W

    Published limiting plate-dissipation value.

  • Maximum screen dissipation

    4 W

    Published limiting screen-dissipation value.

  • Pulse plate voltage

    7000 V

    Published in the filename-designated tube entry.

Data set 06

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Maximum cathode-heater voltage, cathode positive

    200 V

  • Maximum cathode-heater voltage, cathode negative

    200 V