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Voltage - Dual Triode (similar) ·Triode-Triode

5920

Premium-quality twin triode for professional amplifier and control applications, combining relatively high transconductance with moderate gain in a special-quality receiving-tube construction.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
-
Base pins
7
Nominal heater
6.3 V / 400 mA

Description

5920 is listed in the supplied Amperex material as a premium-quality twin triode. Published ratings and characteristics were captured from the supplied table.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
7
Nominal heater voltage
6.3 V
Nominal heater current
400 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

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
4500 Ω
Transconductance
0.0055 S
Amplification factor
25
Max plate voltage
150 V
Max plate dissipation
1.5 W
Max cathode current
20 mA

One representative row for two identical triode sections sharing a common cathode.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
4500 Ω
Transconductance
0.0055 S
Amplification factor
25
Max plate voltage
150 V
Max plate dissipation
1.5 W
Max cathode current
20 mA

Second physical triode section; electrically identical twin 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

1953 Amperex

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

  • Grid-to-plate capacitance

    2.6 pF

    Published source value

  • Grid-to-cathode capacitance

    3.1 pF

    Published source value

  • Plate-to-cathode capacitance

    0.9 pF

    Published source value

Other

  • Typical plate voltage

    100 V

    Published source value

  • Typical grid voltage

    -1.8 V

    Published source value

  • Typical plate current

    8.5 mA

    Published source value

Data set 02

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum plate voltage

    300 V

    Published table

  • Plate current

    15 mA

    Published table

Characteristic

  • Plate resistance

    6000 ohm

    Published table

  • Amplification factor

    27

    Published table

  • Heater/filament voltage

    6.3 V

    Published rating

  • Heater/filament current

    400 mA

    Published rating

Data set 03

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater voltage

    6.3 V

    Published rating

  • Heater current

    400 mA

    Published rating

  • Published characteristic value

    3.4

    PremiumQuality

  • Published characteristic value 2

    0.35

    PremiumQuality

Other

  • Maximum plate voltage

    300 V

    PremiumQuality

  • Maximum plate current

    15 mA

    PremiumQuality