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Voltage Pentode - Remote Cutoff (single) ·Pentode

6BJ6A

A-version remote-cutoff pentode for variable-gain RF and wideband voltage amplification in compact receiver and communications equipment.

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

Description

Remote-cutoff pentode voltage amplifier, A variant, for high-frequency and wide-band RF service.

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
1500000 Ω
Transconductance
0.0036 S
Max plate voltage
300 V
Max screen voltage
300 V
Max plate dissipation
3 W
Max screen dissipation
0.6 W

Advance-data sheet refers electrical values to Type 6BJ6 EIA release; only directly published 6BJ6A data retained.

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

Pentode

Other

  • Plate Voltage

    250 V

    ClassA

  • Screen Voltage

    100 V

    ClassA

Characteristic

  • Plate Current

    9.2 mA

    ClassA

Capacitance

  • Grid To Plate Capacitance

    0.0035 pF

    WithShield

Data set 02

1966 Tung Sol Electronic Tubes 1 of 4

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • THE

    6 A

    | THE 66J6.6BJ6A ARE PENTODE VOLTAGE AMPLIFIERS WITH REMOTE CONTROL CHAR—

Capacitance

  • GRID TO PLATE: (G TO P) MAX

    0.0035 µµf

    Capacitances | GRID TO PLATE: (G TO P) MAX. 0.0035 0.0035 µµf

Other

  • HEATER VOLTAGE

    6.3 V

    Maximum Ratings | HEATER VOLTAGE 6.3 VOLTS

  • MAXIMUM HEATER—CATHODE VOLTAGE

    90 V

    Maximum Ratings | MAXIMUM HEATER—CATHODE VOLTAGE 90 voLTs

  • MAXIMUM GRID #

    300 V

    Maximum Ratings | MAXIMUM GRID #2 SUPPLY VOLTAGE 300 voLTs

  • MAXIMUM GRID #

    4 V

    Maximum Ratings | MAXIMUM GRID #2 VOLTAGE SFE JS—C4 VOLTS

  • MAXIMUM GRID #

    6 W

    Maximum Ratings | MAXIMUM GRID #2 B DISSIPATION O.6 WATTS

  • MAXIMUM NEGATIVE OC GRID #i VOLTAGE

    50 V

    Maximum Ratings | MAXIMUM NEGATIVE OC GRID #i VOLTAGE 50 VOLTS

  • HEATER CURRENT

    150 mA

    Typical Operating Conditions | HEATER CURRENT 150 150 MA.

  • PLATE VOLTAGE

    250 V

    Typical Operating Conditions | PLATE VOLTAGE 100 250 VOLTS

  • GRID #

    1 V

    Typical Operating Conditions | GRID #1 VOLTAGE —1.0 —1.0 VOLTS

  • TRANSCONDUCTANCE

    600 µMHos

    Typical Operating Conditions | TRANSCONDUCTANCE 3 650 3 600 µMHos

  • PLATE CURRENT

    9.2 mA

    Typical Operating Conditions | PLATE CURRENT 9 9.2 MA.

  • GRID #

    3.3 mA

    Typical Operating Conditions | GRID #2 CURRENT 3.5 3.3 MA•

  • GRID #

    10 µMHOS

    Typical Operating Conditions | GRID #1 VOLTAGE FOR Gm = 10 µMHOS —20 —2O VOLTS