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Voltage Pentode - Remote Cutoff (single) ·Pentode

6662

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B7G
Base pins
7
Nominal heater
6.3 V / 150 mA

Description

Remote-cutoff miniature pentode for wide-band high-frequency amplification in mobile communications equipment. Electrical ratings, characteristics, operating data, and special environmental information were extracted from the supplied source.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7G
Base pins
7
Nominal heater voltage
6.3 V
Nominal heater current
150 mA
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

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
1300000 Ω
Transconductance
0.0036 S
Max plate voltage
330 V
Max screen voltage
100 V
Max plate dissipation
3.3 W
Max screen dissipation
0.75 W
Max cathode current
20 mA

Alias/co-designation of 6BJ6;

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Plate Resistance

    1300000 ohm

  • Transconductance

    3600 µS

Other

  • Maximum Plate Voltage

    330 V

  • Maximum Screen Voltage

    330 V

  • Maximum Plate Dissipation

    3.3 W

  • Maximum Screen Dissipation

    0.65 W

Data set 02

1960 RCA Industrial and Communications Types

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    150 mA

  • EquivalentType

    6BJ6

    RenewalUse

Data set 03

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Heater voltage

    6.3 V

    Nominal

  • Heater current

    150 mA

    Nominal

  • Plate voltage

    330 V

    Published operating table; OperatingPoint1

  • Plate voltage

    100 V

    Published operating table; OperatingPoint1

  • Plate voltage

    250 V

    Published operating table; OperatingPoint2

  • Screen voltage

    100 V

    Published operating table; OperatingPoint1

  • Screen voltage

    100 V

    Published operating table; OperatingPoint2

Characteristic

  • Plate current

    9 mA

    Published operating table; OperatingPoint1

  • Plate current

    9.2 mA

    Published operating table; OperatingPoint2

  • Transconductance

    3650 uS

    Published operating table; OperatingPoint1

  • Transconductance

    3600 uS

    Published operating table; OperatingPoint2

Data set 04

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    150 mA

  • EquivalentElectricalType

    6BJ6

  • Grid1ToPlateCapacitanceMaximum

    0.035 pF

  • Input Capacitance

    5.5 pF

  • Output Capacitance

    5 pF

  • Transconductance

    4400 uS

Other

  • Plate Voltage

    250 V

    ClassA

  • Screen Voltage

    100 V

    ClassA

Data set 05

1966 Tung Sol Electronic Tubes 4 of 4

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • VOLTAGE OPERATION — published value 1

    6.311 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • VOLTAGE OPERATION — published value 2

    3 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE VOLTAGE

    330 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • GRID 2 SUPPLY VOLTAGE

    330 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • POSITIVE DC GRID 1 VOLTAGE

    0 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • NEGATIVE DC GRID 1 VOLTAGE

    55 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE DISSIPATION

    3.3 W

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • GRID 2 DISSIPATION

    0.65 W

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE VOLTAGE — published value 1

    100 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE VOLTAGE — published value 2

    250 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • GRID 2 VOLTAGE — published value 1

    100 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • GRID 2 VOLTAGE — published value 2

    100 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • CATHODE-BIAS RESISTOR

    80 ohm

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE CURRENT — published value 1

    9 mA

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE CURRENT — published value 2

    9.2 mA

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • GRID 2 CURRENT — published value 1

    3.5 mA

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • GRID 2 CURRENT — published value 2

    3.3 mA

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE RESISTANCE, APPROX. — published value 1

    0.25 ohm

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE RESISTANCE, APPROX. — published value 2

    1.3 ohm

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • Plate resistance

    1300000 ohm

    Promoted section value from the supplied datasheet.

Other

  • Maximum plate voltage

    330 V

    Promoted section value from the supplied datasheet.

  • Maximum plate dissipation

    3.3 W

    Promoted section value from the supplied datasheet.

  • Maximum screen dissipation

    0.65 W

    Promoted section value from the supplied datasheet.

Data set 06

1971 RCA HB3 Binder 3 of 7

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Heater voltage

    6.3 V

    Nominal

  • Heater current

    150 mA

    Nominal

  • Maximum plate voltage

    330 V

    Promoted published value

  • Maximum screen voltage

    330 V

    Promoted published value

  • Maximum plate dissipation

    3.3 W

    Promoted published value

  • Maximum screen dissipation

    0.65 W

    Promoted published value

  • Grid No.l to plate

    0.0035 mA

    Direct Interelectrode Capacitances:

  • Heater Voltage

    6.3 V

    Direct Interelectrode Capacitances:

  • PLATE VOLTAGE.

    330 V

    Maximum Ratings, Design-Xaximum Palues:

  • VOLTAGE

    330 V

    Maximum Ratings, Design-Xaximum Palues:

  • GRID-No.2 VOLTAGE See Grid-No.2 Inqut Rating Chart

    2 V

    Maximum Ratings, Design-Xaximum Palues:

  • For grid-No.2 voltages up

    2 V

    Maximum Ratings, Design-Xaximum Palues:

  • For grid-No.2 voltages be

    2 V

    Maximum Ratings, Design-Xaximum Palues:

  • tween

    2 V

    Maximum Ratings, Design-Xaximum Palues:

  • PLATE DISSIPATION

    3 W

    Maximum Ratings, Design-Xaximum Palues:

  • to cathode

    100 V

    Maximum Ratings, Design-Xaximum Palues:

  • volts =

    7.5 V

    Maximum Ratings, Design-Xaximum Palues:

  • 135 volts positive with respect to cathode, and al l other

    135 V

    Maximum Ratings, Design-Xaximum Palues:

  • With heater volts =

    3 V

    Maximum Ratings, Design-Xaximum Palues:

  • connected to cathode at socket, grid-No.2 supply volts =

    2 V

    Maximum Ratings, Design-Xaximum Palues:

  • 100, and cathode resistor (ohms) bypassed =

    60 ohm

    Maximum Ratings, Design-Xaximum Palues:

Characteristic

  • Plate resistance

    1300000 ohm

    Promoted published value

  • Transconductance

    3600 uS

    Promoted published value

  • Voltage

    20 V

  • Current at

    0.15 V

  • Plate Supply Voltage

    250 V

    Direct Interelectrode Capacitances:

  • Grid-No.2 Supply Voltage

    100 V

    Direct Interelectrode Capacitances:

  • Cathode Resistor

    80 ohm

    Direct Interelectrode Capacitances:

  • Plate Resistance (Approx )

    1.3 megohm

    Direct Interelectrode Capacitances:

  • Transconductance

    3600 uS

    Direct Interelectrode Capacitances:

  • Plate Current

    9.2 mA

    Direct Interelectrode Capacitances:

  • Grid-No.2 Current

    3.3 mA

    Direct Interelectrode Capacitances:

  • Grid-No.1 Voltage (Approx.) for

    1 V

    Direct Interelectrode Capacitances:

  • transconductance =

    -20 V

    Direct Interelectrode Capacitances: