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Voltage Pentode - Remote Cutoff (single) ·Pentode

6BA6W

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 / 300 mA

Description

Premium remote-cutoff pentode for RF and IF amplifier service. Data was extracted from the supplied Tung-Sol source, including published ratings, characteristics, and operating information.

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
300 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
100000 Ω
Transconductance
0.0043 S
Max plate voltage
300 V
Max screen voltage
150 V
Max plate dissipation
3.5 W
Max screen dissipation
0.6 W
Max cathode current
20 mA

Published promoted fields populated semantically; identical repeated sections compressed.

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

1958 Compagnie General

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater Voltage

    6.3 V

  • Heater Current

    300 mA

Other

  • Maximum Plate Voltage

    300 V

  • Maximum Screen Voltage

    150 V

Data set 02

1960 RCA Industrial and Communications Types

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater Voltage

    6.3 V

Data set 03

1966 Tung Sol Electronic Tubes 3 of 4

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Plate resistance

    100000 ohm

    PromotedValue

  • Transconductance

    0.0043 A/V

    PromotedValue

  • THE 5749/68A6W IS A RUGGEDIZED, REMOTE CUT-0fF PENTOOc VOLTAGE AMPLIFIER — published value 1

    6

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • THE 5749/68A6W IS A RUGGEDIZED, REMOTE CUT-0fF PENTOOc VOLTAGE AMPLIFIER — published value 2

    0

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • HEATER

    6.3 VOLTS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • HEATER VOLTAGE

    6.3 VOLTS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • HEATER CURRENT

    3 AMP

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • PLATE

    250 VOLTS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • CATHODE — published value 1

    68 OHMS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • CATHODE — published value 2

    6 OHMS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • PLATE RESISTANCE (APPROX.) — published value 1

    0.25

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • PLATE RESISTANCE (APPROX.) — published value 2

    1

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • PLATE CURRENT — published value 1

    10.8 mA

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • PLATE CURRENT — published value 2

    11 mA

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • GRID #f

    40 µMHOS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • HEATER — published value 1

    5 mA

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • HEATER — published value 2

    325 mA

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • PLATE CURRENT — published value 1

    9.4 mAdc

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • PLATE CURRENT — published value 2

    12.6 mAdc

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • TRANSCONDUCTANCE (i) — published value 1

    3000

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • TRANSCONDUCTANCE (i) — published value 2

    5200

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • SCREEN CURRENT — published value 1

    5.6 mAdc

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • SCREEN CURRENT — published value 2

    5 mAdc

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • TRANSCONDUCTANCE (3)

    3

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • GRID CURRENT

    2

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • TRANSCONDUCTANCE (1) — published value 1

    1 µMHOS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • TRANSCONDUCTANCE (1) — published value 2

    3000 µMHOS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • THE LATMO DE RESISTOR SN ALL BE SMUNTEO WI TM A CAPACITIVE REACTANCE NOT EXCEEDING j OHMS AT 60

    60 OHMS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • Et = 0.3 Volts — published value 1

    5000 Volts

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

Other

  • Maximum plate voltage

    300 V

    PromotedValue

  • Maximum screen voltage

    150 V

    PromotedValue

  • Maximum plate dissipation

    3.5 W

    PromotedValue

  • Maximum screen dissipation

    0.6 W

    PromotedValue

  • Maximum cathode current

    20 mA

    PromotedValue

  • MAXIMUM

    330 VOLTS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • MAXIMUM — published value 1

    2 VOLTS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • MAXIMUM — published value 2

    15 VOLTS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • MAXIMUM

    3.3 WATTS

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • MAXIMUM — published value 1

    2 WATT

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • MAXIMUM — published value 2

    7 WATT

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.

  • MAXIMUM

    165

    OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.