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Voltage - Triode (single) ·Triode

6J5GT

General-purpose medium-mu triode for oscillator and audio-frequency voltage-amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
6O
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 300 mA

Description

The 6J5GT is a general-purpose medium-mu triode intended for oscillator and audio-frequency amplifier service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
6O
Socket code
IO
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

6O - 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

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
7700 Ω
Transconductance
0.0026 S
Amplification factor
20
Max plate voltage
300 V
Max plate dissipation
2.5 W
Max cathode current
20 mA

Published maximum ratings, characteristics, operating conditions and capacitances reviewed.

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

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum plate voltage

    300 V

    Published handbook rating

  • Plate voltage

    250 V

    ClassA

  • Control-grid bias

    8 V

    ClassA

  • Plate current

    9 mA

    ClassA

Characteristic

  • Plate resistance

    7700 ohm

    Published handbook characteristic

  • Transconductance

    2600 µS

    Published handbook characteristic

  • Amplification factor

    20

    Published handbook characteristic

  • Heater voltage

    6.3 V

    Published heater rating

  • Heater current

    300 mA

    Published heater rating

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate Voltage

    250 V

    Published operating/characteristic table

  • Grid Voltage

    -8 V

    Published operating/characteristic table

Characteristic

  • Plate Current

    9 mA

    Published operating/characteristic table

  • Transconductance

    2600 uS

    Published operating/characteristic table

  • Plate Resistance

    7700 ohm

    Published operating/characteristic table

Data set 03

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate voltage

    250 V

    ClassA1

  • Grid voltage

    -8 V

    ClassA1

  • Plate current

    9 mA

    ClassA1

  • Maximum heater-cathode voltage

    90 V

    WholeTube