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Power - Pentode (NOT beam) ·Pentode

EL806

Very-high-transconductance power pentode for television video-frequency output amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
9C12
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 600 mA

Description

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

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
9C12
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

9C12 - 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
Transconductance
0.025 S
Max screen voltage
250 V
Max plate dissipation
10 W
Max screen dissipation
3 W
Max cathode current
60 mA

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 … 126 |

    6.3 V

  • Courant filament . 300 |

    600 mA

  • Tension d'ANOËE ….…rreoreerermensiesrsesceseecnersesasesasecsensecacenress VO

    250 V

  • Tension de grille n°2, …. V

    250 V

  • Dissipation d'anode. … Pa

    10 W

  • Courant de cathode … aeosecacecéressenseemseessoceussss 1K

    60 mA

  • Tension entre le filament et la cathode...,...........,....... Vfk

    200 V

Characteristic

  • Capacité d'Entré® …….………umrsersecessssenes Ce

    13.5 pF

  • Capacité de sortie ……s Cs

    5 pF

  • Dissipation de grille n° 2 arsosenasmeneuenmaassessenancenenessescnsesss PE3

    3 W

  • Tension d'ANOdE .…..…...…rerrerreoresensemenseantesrsrensaenencemeensonccnccsess VA

    150 V

  • Tension de grille n° 2.. … VE

    240 V

  • Courant de grille no2 .… …… 18

    8 mA

  • Pente… … 8

    25 mA

  • Courant danode pour Vg1 =-25 V aavsnsensemsessorsesesecsressceccess T

    40 mA