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Power - TV Vertical Output ·Triode-Triode

6BL7GTA

Medium-mu twin power triode used for oscillator, amplifier, and television vertical-deflection service. Published vertical-sweep ratings include high positive pulse voltage and substantial combined plate dissipation, supporting demanding deflection-output operation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 1.5 A

Description

Medium-mu twin triode for oscillator, amplifier, and deflection service. The supplied datasheet was read for heater data, maximum ratings, characteristics, typical operating information, and interelectrode capacitances where published.

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
8
Nominal heater voltage
6.3 V
Nominal heater current
1.5 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

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
2150 Ω
Transconductance
0.007 S
Amplification factor
15
Max plate voltage
500 V
Max plate dissipation
10 W
Max cathode current
60 mA

Each section; representative row.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
2150 Ω
Transconductance
0.007 S
Amplification factor
15
Max plate voltage
500 V
Max plate dissipation
10 W
Max cathode current
60 mA

Two high-perveance low-mu triodes for television vertical sweep-generator and deflection-amplifier service.

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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Peak Positive Pulse Plate Voltage

    2000 V

    VerticalDeflectionAmplifier

  • TotalPlateDissipationBothSections

    12 W

  • Peak Cathode Current

    210 mA

Data set 02

1966 Tung Sol Electronic Tubes 1 of 4

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • MAXIMUM TOTAL PLATE DISSIPATION (BOTH PLATES) Z

    -

    Maximum Ratings | MAXIMUM TOTAL PLATE DISSIPATION (BOTH PLATES) Z2 Z2 WATTS

  • HEATER VOLTAGE

    6.3 V

    Typical Operating Conditions | HEATER VOLTAGE 6.3 6.3 6.3 VOLTS

  • HEATER CURRENT

    1.5 A

    Typical Operating Conditions | HEATER CURRENT 1.5 1.5 1.5 AMP.

  • PLATE CURRENT

    40 mA

    Typical Operating Conditions | PLATE CURRENT 65 4.0 40 MA.

Data set 03

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Peak Positive Pulse Plate Voltage

    2000 V

    VerticalDeflection

  • TotalPlateDissipationBothPlates

    12 W

Data set 04

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Voltage

    6.3 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Current

    1.5 A

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Grid to plate — published value 1

    6

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Grid to plate — published value 2

    6

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Grid to cathode and heater — published value 1

    4.2

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Grid to cathode and heater — published value 2

    4.6

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Plate to cathode and heater — published value 1

    0.9

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Plate to cathode and heater — published value 2

    0.9

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Plate Voltage — published value 1

    150 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Plate Voltage — published value 2

    250 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Plate Voltage — published value 3

    250 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Grid Voltage — published value 1

    0 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Grid Voltage — published value 2

    -17 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Grid Voltage — published value 3

    -9 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Plate Resistance (Approx.)

    2150 ohm

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Transconductance

    7000

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Plate Current — published value 1

    65 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Plate Current — published value 2

    4 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Plate Current — published value 3

    40 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • plate current of 50 µa — published value 1

    50 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • plate current of 50 µa — published value 2

    23 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 1 -Grid of — published value 1

    1

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 1 -Grid of — published value 2

    5

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 2 -Plate of — published value 1

    2

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 2 -Plate of — published value 2

    6

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pi n 3 -Cathode of — published value 1

    3

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pi n 3 -Cathode of — published value 2

    7

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Unit No.2

    8

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Pin 4 -Grid of

    4

    Published datasheet value; multiple values represent separate source-table limits or conditions.

Other

  • DC PLATE VOLTAGE

    500 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • PEAK NEGATIVE-PULSE GRID VOLTAGE ~

    400 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Either plate

    10 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Both plates (Both units operating)

    12 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Heater negative with respect to cathode

    200 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Heater positive with respect to cathode

    200 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Grid-Circuit Resistance

    4.7 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • DC PLATE VOLTAGE

    500 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • PEAK NEGATIVE-PULSE GRID VOLTAGE

    250 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Either platet

    10 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Heater negative with respect to cathode

    200 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • Heater positive with respect to cathode

    200 V

    Published datasheet value; multiple values represent separate source-table limits or conditions.

  • For Cathode-bias operationt

    4.7 mA

    Published datasheet value; multiple values represent separate source-table limits or conditions.

Data set 05

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum Plate Dissipation

    1.7 W

    Promoted from published datasheet table

Characteristic

  • Transconductance

    0 A/V

    Promoted from published datasheet table

  • Amplification Factor

    -

    Promoted from published datasheet table