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Power - TV Horizontal Output (sweep) ·Pentode

EL509

Heavy-duty power pentode for color-television horizontal-deflection output, combining approximately 35 W plate dissipation, high transconductance, and demanding flyback capability.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
9C18
Socket code
B9D
Base pins
9
Nominal heater
6.3 V / 2.5 A

Description

Power pentode for color-television line-deflection amplification. Indirectly heated Mazda/Belvu receiving tube; descriptive text translated to English from the French source.

Socket description

Magnoval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
9C18
Socket code
B9D
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
2.5 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

9C18 - 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

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
8000 Ω
Transconductance
0.018 S
Max plate voltage
900 V
Max screen voltage
300 V
Max plate dissipation
35 W
Max screen dissipation
7 W
Max cathode current
500 mA

Published ratings/characteristics promoted where unambiguous.

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

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Tension filament ….……ececisenmereeeensennenesnnnnns VÊ

    6.3 V

  • Courant filament…… … If

    2 A

  • Vä bl

    700 V

  • Tension d'anode de crête… Vacr 7

    0 V

  • Tension de grille n° 3... Ves

    50 V

  • Tension de grille n° 2 a courant nu1 Vg, bl

    700 V

  • Tensionh de grille n° 2 Veg,

    250 V

  • Dissipation d'anode … … Pa

    30 W

  • dans le système des limites hybrides.….. Pa

    40 W

  • Courant de cathode … Ik

    500 mA

  • Tension entre le f11&ment etla cathode Vfk

    250 V

  • Tension négative de crête de grille n° 1 Vg, er

    550 V

  • (2) Dans le système des limites absolues

    8 kV

  • (3) Pendant ls penode de chauffage de la cathode

    14 W

Characteristic

  • Capacité grille n° 1/anode …… CE1/8

    235 pF

  • Tension d'anode… 160

    45 V

  • Tension de grille m3 0

    0 v

  • Tension de grille n° 2 … 160

    160 V

  • Courant d'anode… 1 400 1

    0 mA

  • Tension d'anode en fin de balayage ............ Va

    55 V

  • Tension de grille t° 3.…..….. Ve;

    0 V

  • Tension de grille n° 2 Ve,

    175 V

  • Courant de crête d'anode …. la cr

    800 mA

  • Courant de crête de grille m2. Ig, cr

    70 mA

  • le bloçage du tube est de 170 V min. pour Va= 7 000 V, Vg, =

    175 V

  • (6) La grille n° 3 peut être portée à une tension positive de

    20 V

  • Va =

    160 V

  • Vg, =

    160 V

  • £ -50 -40 -30 -20

    -10 S

Data set 02

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater voltage

    6.3 V

    Published nominal value

  • Heater current

    2 A

    Published nominal value

Other

  • Maximum plate dissipation

    40 W

    Published or referenced maximum rating

  • Maximum peak anode voltage

    8 kV

    Color-TV line-deflection service

Data set 03

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Plate Current

    10 mA

    Published value from supplied target entry

  • Grid-No

    2.8 mA

    Published value from supplied target entry

  • For plate current of

    5 volts

    Published value from supplied target entry

  • For plate current of

    -3 volts

    Published value from supplied target entry

  • Heater Voltage (ac/dc)

    40 volts

    Published value from supplied target entry

  • Heater Current

    0.3 amperes

    Published value from supplied target entry

  • Plate Voltage

    160 volts

    Published value from supplied target entry

  • Grid-No

    0 volts

    Published value from supplied target entry

  • Grid-No

    160 volts

    Published value from supplied target entry

  • Grid-No.l Voltage

    0 volts

    Published value from supplied target entry

  • Plate Current*

    1400 mA

    Published value from supplied target entry

  • Grid-No

    45 mA

    Published value from supplied target entry

  • Plate Supply Voltage

    700 volts

    Published value from supplied target entry

  • Peak Positive-Pulse Plate Voltage*

    7000 volts

    Published value from supplied target entry

  • Grid-No

    700 volts

    Published value from supplied target entry

  • Grid-No

    250 volts

    Published value from supplied target entry

  • Grid-No

    7 watts

    Published value from supplied target entry

  • Cathode Current

    500 mA

    Published value from supplied target entry

  • Grid-No

    1

    Published value from supplied target entry

  • t In horizontal-deflection service,

    3

    Published value from supplied target entry

  • Heater Voltage (ac/dc)

    22 volts

    Published value from supplied target entry

  • Heater Current

    0.45 amperes

    Published value from supplied target entry

  • Heater Warm-up Time

    11 seconds

    Published value from supplied target entry

  • Plate Voltage

    140 volts

    Published value from supplied target entry

  • Grid-No

    30 volts

    Published value from supplied target entry

  • Grid-No

    140 volts

    Published value from supplied target entry

  • Grid-No.l (Control-Grid) Voltage

    -24.5 volts

    Published value from supplied target entry

  • Amplification Factorf

    4

    Published value from supplied target entry

  • Plate Resistance (Approx.)

    6000 ohms

    Published value from supplied target entry

  • Transconductance

    9500

    Published value from supplied target entry

  • Plate Current

    80 mA

    Published value from supplied target entry

  • Grid-No

    2.4 mA

    Published value from supplied target entry

Capacitance

  • Plate to Grid-No.l

    2.5 pF

    Published value from supplied target entry

  • Grid-No.l to Heater

    0.2 pF

    Published value from supplied target entry

  • Plate to Cathode, Heater, Grid No

    9 PF

    Published value from supplied target entry

Other

  • Plate Dissipation (Absolute-Maximum Value)

    34 watts

    Published value from supplied target entry

Data set 04

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Maximum cathode-heater voltage, cathode positive

    200 V

  • Maximum cathode-heater voltage, cathode negative

    200 V

Data set 05

199X JJ

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Typical Plate Voltage

    160 V

  • Typical Screen Voltage

    160 V

  • TypicalControlGridVoltage

    -30 V

  • Typical Plate Current

    200 mA

  • Typical Screen Current

    10 mA

  • MaximumCombinedPlateScreenDissipation

    42 W

Characteristic

  • PlateGridCapacitance

    3 pF

Data set 06

199X Svetlana

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Voltage (AC or DC) 5.7 6.3

    6.9 V

    SourcePage1-2

  • Current @6.3 volts

    2.5 A

    SourcePage1-2

  • Plate resistance (nominal)

    8000 ohms

    SourcePage1-2

  • Grid to plate

    2.5 pF

    SourcePage1-2

  • Grid to cathode

    25 pF

    SourcePage1-2

Other

  • DC plate voltage

    900 V

    SourcePage1-2

  • DC plate voltage, pulsed

    8000 V

    SourcePage1-2

  • DC cathode current

    500 mA

    SourcePage1-2

  • DC screen grid voltage

    300 V

    SourcePage1-2

  • Screen dissipation

    7 W

    SourcePage1-2

  • Plate dissipation

    35 W

    SourcePage1-2

  • Plate voltage

    500 V

    TypicalOperation

  • Screen voltage

    280 V

    TypicalOperation

  • Grid no.1 voltage

    -82 V

    TypicalOperation

  • Plate current, no signal

    70 mA

    TypicalOperation

  • Plate current, max signal

    100 mA

    TypicalOperation

  • Effective load resistance

    1650 ohms

    TypicalOperation

  • Distortion at 1 watt into

    8 ohms

    TypicalOperation

  • Power output at 5% distortion

    14 W

    TypicalOperation

  • Screen Voltage =

    140 V

    TypicalOperation

  • Control Grid Voltage =

    0 V

    TypicalOperation