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Voltage - Triode (single) ·Triode

6K5GT

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

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
5U
Socket code
-
Base pins
5
Nominal heater
6.3 V / 300 mA

Description

High-mu triode for high-gain resistance-coupled circuits, similar to the triode section of 6Q7GT.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
5U
Socket code
-
Base pins
5
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

5U - 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
50000 Ω
Transconductance
0.0014 S
Amplification factor
70
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

  • Maximum plate voltage

    250 V

    Published handbook rating

  • Plate voltage

    250 V

    ClassA

  • Control-grid bias

    3 V

    ClassA

  • Plate current

    1.1 mA

    ClassA

Characteristic

  • Plate resistance

    50000 ohm

    Published handbook characteristic

  • Transconductance

    1400 µS

    Published handbook characteristic

  • Amplification factor

    70

    Published handbook characteristic

  • Heater voltage

    6.3 V

    Published heater rating

  • Heater current

    300 mA

    Published heater rating

Capacitance

  • Input capacitance

    2.4 pF

    Published capacitance column

  • Output capacitance

    3.6 pF

    Published capacitance column