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Voltage - Triode (single) ·Triode

6F5GT

High-mu triode designed primarily for high-gain resistance-coupled amplifier circuits.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
5M
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 300 mA

Description

High-mu triode designed primarily for high-gain resistance-coupled amplifier circuits.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
5M
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

5M - 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
66000 Ω
Transconductance
0.0015 S
Amplification factor
100
Max plate voltage
250 V

Published ratings and characteristics promoted where clearly legible in the approved source.

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

  • Plate voltage

    250 V

    ClassA

  • Control-grid bias magnitude

    2 V

    ClassA

  • Plate current

    0.9 mA

    ClassA

  • Plate resistance

    66000 ohm

    ClassA

  • Transconductance

    1500 uS

    ClassA

  • Amplification factor

    100

    ClassA

  • Plate voltage

    100 V

    ClassA

  • Control-grid bias magnitude

    1 V

    ClassA

  • Plate current

    0.4 mA

    ClassA

  • Plate resistance

    85000 ohm

    ClassA

  • Transconductance

    1150 uS

    ClassA

  • Amplification factor

    100

    ClassA