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Power - TV Vertical Output ·Pentode-Triode

ECL85

Combination triode-pentode power tube designed primarily for television vertical/frame-deflection output service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
9LY
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 900 mA

Description

Triode-pentode power tube for 110-degree television vertical-deflection service.

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

9LY - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
18000 Ω
Transconductance
0.0055 S
Amplification factor
50
Max plate voltage
250 V
Max plate dissipation
1 W
Max cathode current
20 mA

Published ratings/characteristics promoted from the approved source.

Section 2

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
15000 Ω
Transconductance
0.011 S
Amplification factor
50
Max plate voltage
550 V
Max screen voltage
250 V
Max plate dissipation
7 W
Max screen dissipation
2.5 W
Max cathode current
80 mA

Published ratings/characteristics promoted from the approved source.

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

Triode

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    900 mA

    Nominal

  • Maximum Plate Voltage

    250 V

  • Maximum Plate Dissipation

    1 W

Characteristic

  • Transconductance

    5500 µS

    Typical

  • Amplification Factor

    50

    Typical

SECTION 2

Pentode

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    900 mA

    Nominal

  • Maximum Plate Voltage

    550 V

  • Maximum Screen Voltage

    250 V

  • Maximum Plate Dissipation

    7 W

Characteristic

  • Transconductance

    11000 µS

    Typical

Data set 02

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater voltage

    6.3 V

    Published heater rating

  • Heater current

    900 mA

    Published heater rating

  • Driver amplification factor

    50

    TriodeSection Driver

  • Driver plate resistance

    7600 ohm

    TriodeSection Driver

Other

  • Driver plate voltage

    100 V

    TriodeSection Driver

  • Driver control-grid bias

    -0.8 V

    TriodeSection Driver

  • Driver plate current

    5 mA

    TriodeSection Driver

SECTION 2

Pentode

Other

  • Vertical-output plate voltage

    170 V

    PentodeSection VerticalDeflection

  • Vertical-output screen voltage

    170 V

    PentodeSection VerticalDeflection

  • Vertical-output plate current

    41 mA

    PentodeSection VerticalDeflection

  • Vertical-output screen current

    27 mA

    PentodeSection VerticalDeflection

Characteristic

  • Vertical-output amplification factor

    7

    PentodeSection VerticalDeflection

  • Vertical-output transconductance

    7500 µS

    PentodeSection VerticalDeflection

Data set 03

1963 Philips Electron Tubes Handbook V1a

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater voltage

    6.3 V

    Published heater rating

  • Heater current

    900 mA

    Published heater rating

  • Triode transconductance

    5500 µS

    TriodeSection

Other

  • Triode plate voltage

    100 V

    TriodeSection

  • Triode plate current

    10 mA

    TriodeSection

  • Pentode plate voltage

    65 V

    PentodeSection

  • Pentode screen voltage

    210 V

    PentodeSection

  • Pentode peak plate current

    285 mA

    PentodeSection VerticalDeflection

  • Triode maximum plate voltage

    250 V

    TriodeSection

  • Pentode maximum plate voltage

    250 V

    PentodeSection

  • Pentode maximum plate dissipation

    7 W

    PentodeSection

Data set 04

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    875 mA

    Nominal

  • Maximum Plate Voltage

    250 V

  • Maximum Plate Dissipation

    1.5 W

  • Maximum Cathode Current

    20 mA

Characteristic

  • Transconductance

    5500 µS

    Typical

  • Amplification Factor

    50

    Typical

  • Plate Resistance

    18000 ohm

    Typical

SECTION 2

Pentode

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    875 mA

    Nominal

  • Maximum Plate Voltage

    550 V

  • Maximum Screen Voltage

    250 V

  • Maximum Plate Dissipation

    7 W

  • Maximum Screen Dissipation

    2.5 W

  • Maximum Cathode Current

    80 mA

Characteristic

  • Transconductance

    11000 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

Triode

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    875 mA

    Nominal

  • Maximum Plate Voltage

    250 V

  • Maximum Plate Dissipation

    1.5 W

  • Maximum Cathode Current

    20 mA

Characteristic

  • Transconductance

    5500 µS

    Typical

  • Amplification Factor

    50

    Typical

  • Plate Resistance

    18000 ohm

    Typical

SECTION 2

Pentode

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    875 mA

    Nominal

  • Maximum Plate Voltage

    550 V

  • Maximum Screen Voltage

    250 V

  • Maximum Plate Dissipation

    7 W

  • Maximum Screen Dissipation

    2.5 W

  • Maximum Cathode Current

    80 mA

Characteristic

  • Transconductance

    11000 µS

    Typical

  • Plate Resistance

    15000 ohm

    Typical

Data set 06

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater Voltage (ac/de) 6.3 9.5 11.6

    18 V

    Published in approved ECL85 target datasheet entry; Section1

  • Heater Current 0.9 0.6 0.45

    300 mA

    Published in approved ECL85 target datasheet entry; Section1

  • IMate Supply Voltage 550

    550 V

    Published in approved ECL85 target datasheet entry; Section1

  • Peak Plate Voltage 0

    2000 V

    Published in approved ECL85 target datasheet entry; Section1

  • DC Plate Voltage 250

    250 V

    Published in approved ECL85 target datasheet entry; Section1

  • Grid-No.2 (Screen-Grid) Supply Voltage

    550 V

    Published in approved ECL85 target datasheet entry; Section1

  • Grid-No. 2 Voltage

    250 V

    Published in approved ECL85 target datasheet entry; Section1

  • Peak Cathode Current"

    200 mA

    Published in approved ECL85 target datasheet entry; Section1

  • Average Cathode Current 15

    75 mA

    Published in approved ECL85 target datasheet entry; Section1

  • Plate Dissipation 0.5

    7 W

    Published in approved ECL85 target datasheet entry; Section1

  • Crid-No.2 Input

    2 W

    Published in approved ECL85 target datasheet entry; Section1

  • Plate Voltage 100 50 65

    170 V

    Published in approved ECL85 target datasheet entry; Section1

  • Grid-No.2 Voltage 170 210

    170 V

    Published in approved ECL85 target datasheet entry; Section1

  • Grid-No. 1 Voltage —0.8 — —1

    -15 V

    Published in approved ECL85 target datasheet entry; Section1

  • For fixed-bias operation 1

    1 MΩ

    Published in approved ECL85 target datasheet entry; Section1

  • For cathode-bias operation 3.3

    2.2 MΩ

    Published in approved ECL85 target datasheet entry; Section1

  • Maximum pulse duration

    5 %

    Published in approved ECL85 target datasheet entry; Section1

  • Maximum pulse duration 5 per cent of a cycle with a maximum of

    1 millisecond

    Published in approved ECL85 target datasheet entry; Section1

  • Maximum pulse duration

    200 microseconds

    Published in approved ECL85 target datasheet entry; Section1

  • be reduced to 100 mAwith a maximum pulse duration of

    400 microseconds

    Published in approved ECL85 target datasheet entry; Section1

Characteristic

  • Plate Resistance ( Appro*. ) 7600

    -25000 Ω

    Published in approved ECL85 target datasheet entry; Section1

  • Transccnductance 6500

    7500 µS

    Published in approved ECL85 target datasheet entry; Section1

  • Plate Current 5 200" 240

    41 mA

    Published in approved ECL85 target datasheet entry; Section1

  • Grid-No.2 Current 40« 50*

    2.7 mA

    Published in approved ECL85 target datasheet entry; Section1

SECTION 2

Pentode

Other

  • Heater Voltage (ac/de) 6.3 9.5 11.6

    18 V

    Published in approved ECL85 target datasheet entry; Section2

  • Heater Current 0.9 0.6 0.45

    300 mA

    Published in approved ECL85 target datasheet entry; Section2

  • IMate Supply Voltage 550

    550 V

    Published in approved ECL85 target datasheet entry; Section2

  • Peak Plate Voltage 0

    2000 V

    Published in approved ECL85 target datasheet entry; Section2

  • DC Plate Voltage 250

    250 V

    Published in approved ECL85 target datasheet entry; Section2

  • Grid-No.2 (Screen-Grid) Supply Voltage

    550 V

    Published in approved ECL85 target datasheet entry; Section2

  • Grid-No. 2 Voltage

    250 V

    Published in approved ECL85 target datasheet entry; Section2

  • Peak Cathode Current"

    200 mA

    Published in approved ECL85 target datasheet entry; Section2

  • Average Cathode Current 15

    75 mA

    Published in approved ECL85 target datasheet entry; Section2

  • Plate Dissipation 0.5

    7 W

    Published in approved ECL85 target datasheet entry; Section2

  • Crid-No.2 Input

    2 W

    Published in approved ECL85 target datasheet entry; Section2

  • Plate Voltage 100 50 65

    170 V

    Published in approved ECL85 target datasheet entry; Section2

  • Grid-No.2 Voltage 170 210

    170 V

    Published in approved ECL85 target datasheet entry; Section2

  • Grid-No. 1 Voltage —0.8 — —1

    -15 V

    Published in approved ECL85 target datasheet entry; Section2

  • For fixed-bias operation 1

    1 MΩ

    Published in approved ECL85 target datasheet entry; Section2

  • For cathode-bias operation 3.3

    2.2 MΩ

    Published in approved ECL85 target datasheet entry; Section2

  • Maximum pulse duration

    5 %

    Published in approved ECL85 target datasheet entry; Section2

  • Maximum pulse duration 5 per cent of a cycle with a maximum of

    1 millisecond

    Published in approved ECL85 target datasheet entry; Section2

  • Maximum pulse duration

    200 microseconds

    Published in approved ECL85 target datasheet entry; Section2

  • be reduced to 100 mAwith a maximum pulse duration of

    400 microseconds

    Published in approved ECL85 target datasheet entry; Section2

Characteristic

  • Plate Resistance ( Appro*. ) 7600

    -25000 Ω

    Published in approved ECL85 target datasheet entry; Section2

  • Transccnductance 6500

    7500 µS

    Published in approved ECL85 target datasheet entry; Section2

  • Plate Current 5 200" 240

    41 mA

    Published in approved ECL85 target datasheet entry; Section2

  • Grid-No.2 Current 40« 50*

    2.7 mA

    Published in approved ECL85 target datasheet entry; Section2

Data set 07

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater voltage Vi

    6.3 V

    Published datasheet value

  • Heater current If

    875 mA

    Published datasheet value

Other

  • Published value

    50 Hz

    Published datasheet value

  • 50 Hz)£ 0.5 M2 and Cgl‘f

    0.2 pF

    Published datasheet value

  • Cathode to heater voltage Vit max

    100 V

    Published datasheet value

  • D.C. component during warming up Vs (k pos) max

    315 V

    Published datasheet value