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Voltage - Triode (with diode, heptode or hexode) ·Diode-Diode-Triode

6B6G

Receiving tube combining radio signal detection or control-voltage rectification with associated voltage amplification. Its detector function is integral to receiver signal processing and supports classification within the radio detector/converter family.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
3
Base
7V
Socket code
IO
Base pins
7
Nominal heater
6.3 V / 300 mA

Description

The BRIMAR 6B6G is a double-diode triode with a 6.3 V, 0.3 A heater and a triode section having amplification factor 100.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
7V
Socket code
IO
Base pins
7
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

7V - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

3 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
91000 Ω
Transconductance
0.0011 S
Amplification factor
100
Max plate voltage
250 V

Published ratings and characteristics mapped semantically; identical repeated sections compressed.

Section 2

Diode

X-ray radiationInterelectrode capacitances
Rectifier max heater-cathode voltage
100 V

Published ratings and characteristics mapped semantically; identical repeated sections compressed.

Section 3

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second diode section.

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

1937 Raytheon Radio Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum Plate Voltage

    250 V

    Published table

  • Plate Voltage

    250 V

    ClassA

  • Amplification Factor

    100

    ClassA

  • Transconductance

    1100 uS

    ClassA

  • Plate Current

    1 mA

    ClassA

Capacitance

  • Grid to Plate

    1.3 pF

    Published table

  • Input

    2.7

    Published table

  • Output

    4.5 pF

    Published table

Data set 02

1948 Brimar Radio Valve Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Anode Voltage

    250 V

  • Anode Current

    0.9 mA

  • Control Grid Voltage

    -2 V

Data set 03

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate voltage

    250 V

    ClassA

  • Grid voltage

    -2 V

    ClassA

  • Plate current

    0.9 mA

    ClassA

Data set 04

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

  • Grid To Plate Capacitance

    1.7 pF

    Triode

  • Input Capacitance

    1.7 pF

    Triode

  • Output Capacitance

    3.8 pF

    Triode

SECTION 2

Diode

Characteristic

  • Minimum Diode Current

    0.8 mA

    EachDiode;AppliedVoltage=40V