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Power - TV Vertical Output ·Pentode

EL86F

Power pentode designed for both audio-frequency and television vertical-deflection amplification. Its output-stage characteristics support either low-frequency load power or frame-scanning drive.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
9C12
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 760 mA

Description

Power pentode for AF and vertical-deflection 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
760 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
0.011 S
Max plate voltage
250 V
Max plate dissipation
12 W
Max screen dissipation
1.75 W

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 ….……veserecerescereesemcensesssesesscesucecereanceuce VÉ

    6.3 V

  • Courant filament…… . If

    760 mA

  • Capacité anode/ grille n° 1 .….ucussseressiemensesemennsmns Ca/ 81

    0.6 pF

  • Capacité grille n° 1/f11&ment Cg,/f

    0.25 pF

  • Tension d'anode à courant nui ……n Vabl

    550 V

  • Tension d'anode… Va

    250 V

  • Tension de crête d'anode (1)......voucre Va cr

    2000 V

  • Tension de grille n° 2 à courant nul Vez bl

    550 V

  • se es VOL

    250 V

  • pour l'amplification AF …… srcererers cossersssncerecmeenenree. P

    12 W

  • = pour le balayage images

    10 W

  • Dissipation de grille n° 2

    1.75 W

  • Dissipation de crête de gnlle n° 2 acseraeorcenenseuren PB3 CI

    6 W

  • Courant de cathode …… Ik

    100 mA

  • Tension entre filament et cathode …… .…..……secreeocrre… VIK

    200 V

Characteristic

  • Capacité d'entrée… … Ce

    13 pF

  • Capacité de sortie …… . Cs

    6.8 pF

  • Tension d'anode….…...…..….….…rermrertereennenensesesnnnes. Va

    170 V

  • Tension de grille n° 2 … Ve,

    170 V

  • Tension de grille n° 1. Ves

    -12.5 V

  • Courant de grille n° 2 acsouvous su oxonteraranvenss sesnsomnen scc ue 82

    3.5 mA

  • Pente …… … 58

    11 mA

  • Tension d'alimentation.….….…………icsre VN

    200 v

  • Courant d'anode …………. … la 65

    64 mA

  • Courant de grille n° 2 , . lg 3,2 - |

    11.4 mA

  • Puissance de sortie…. . Ps 0 | 0,05

    5.3 W

  • Tension d'alimentation d'anode ……………… VaN

    250 v

  • Tension d'alimentation de grille n° 2 Vg, N

    200 v

  • Courant d'anode … … la 2x50 - | 2x5

    5 mA

  • Courant de grille n° 2. … 1g 2x2 - |2x1

    3 mA

  • Puissance de SOrti@ ……c PS 0 |0,05 |

    18.5 W

  • DAlAYAGE ... ……cesocsrerrencrensanrse nc rasom ce 0s 60 70

    80 V

  • Tension de grille n° 2 L..…uuerereerrersacsesvunre 170 200

    220 V

  • Courant de crête d'anode.….…….…..…….……….….…………… 145 190

    220 mA

  • p Vg2=

    200 V

  • v vebcee f vc e —h =1

    -5 V

  • 300 Pa =

    12 W

  • > = -'l=

    5 v