Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Power - TV Horizontal Output (sweep) ·BeamPower

EL36

High-current beam-power tube for television line-output and pulse-power applications, with low plate resistance and strong current drive for horizontal-deflection transformers.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
IO
Base pins
9
Nominal heater
6.3 V / 1.2 A

Description

Beam power tube for television line-output and pulse-power service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
IO
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
1.2 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

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
0.014 S
Max plate voltage
250 V
Max screen voltage
250 V
Max plate dissipation
10 W
Max screen dissipation
5 W
Max cathode current
200 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

1953 La Radiotechnique

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    1.2 A

    Nominal

  • Maximum Plate Voltage

    800 V

  • Maximum Screen Voltage

    300 V

  • Maximum Plate Dissipation

    12 W

Characteristic

  • Transconductance

    14000 µS

    Typical

Data set 02

195X Tesla

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    1.2 A

    Nominal

  • Maximum Plate Voltage

    800 V

  • Maximum Screen Voltage

    300 V

  • Maximum Plate Dissipation

    12 W

Characteristic

  • Transconductance

    14000 µS

    Typical

Data set 03

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

    1.2 A

    Published heater rating

  • Transconductance

    14000 µS

    CharacteristicPoint

  • Plate resistance

    5000 ohm

    CharacteristicPoint

Other

  • Plate voltage

    100 V

    CharacteristicPoint

  • Plate current

    100 mA

    CharacteristicPoint

  • Screen current

    7 mA

    CharacteristicPoint

  • Push-pull plate voltage

    300 V

    ClassB PushPull TwoTubes

  • Push-pull screen voltage

    150 V

    ClassB PushPull TwoTubes

  • Push-pull grid bias

    -29 V

    ClassB PushPull TwoTubes

  • Push-pull plate current

    200 mA

    ClassB PushPull TwoTubes

  • Push-pull power output

    44.5 W

    ClassB PushPull TwoTubes

Data set 04

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    1.25 A

    Nominal

  • Maximum Plate Voltage

    550 V

  • Maximum Screen Voltage

    250 V

  • Maximum Plate Dissipation

    12 W

  • Maximum Screen Dissipation

    4 W

  • Maximum Cathode Current

    200 mA

  • Maximum Peak Plate Voltage

    7000 V

    Pulse/line-output service

Characteristic

  • Transconductance

    14000 µS

    Typical

  • Plate Resistance

    15000 ohm

    Typical

Data set 05

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

    1.25 A

    Published nominal value

  • Transconductance

    14000 µS

    Published or referenced operating characteristic

Other

  • Maximum plate dissipation

    12 W

    Published or referenced maximum rating

  • Audio output power

    44.5 W

    Two tubes push-pull ClassB

Data set 06

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

    1200 mA

    Published heater current.

  • Plate current

    100 mA

    Published basic-parameter operating point.

  • Screen current

    7.2 mA

    Published basic-parameter operating point.

  • Transconductance

    14000 µS

    Published basic-parameter value; normalized to µS.

  • Plate resistance

    5000 Ω

    Published internal/plate resistance.

Other

  • Maximum plate voltage

    250 V

    Published limiting operating value.

  • Maximum screen voltage

    250 V

    Published limiting operating value.

  • Maximum cathode current

    200 mA

    Published limiting cathode-current value.

  • Maximum plate dissipation

    10 W

    Published limiting plate-dissipation value.

  • Maximum screen dissipation

    5 W

    Published limiting screen-dissipation value.

  • Pulse plate voltage

    7000 V

    Published in the filename-designated tube entry.

Data set 07

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Heater voltage Vi

    6.3 V

  • Grid No.2 current Ig2 2x0.5

    2x19 mA

  • Output power Wo 0

    44.5 W

Other

  • Anodc voltage Va

    300 v

    ClassB;TwoTubes

  • Anode current I 2x18

    2x100 mA

    ClassB;TwoTubes

  • Anode voltage Va max

    230 V

  • Anode voltage for class B operation Va max

    300 V

    ClassB

  • Cathode to heater voltage Vit max

    100 V

    ClassB