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Voltage - Triode (under 100V) ·Triode-Triode

5884

Directly heated dual-anode electrometer triode designed for balanced measurement of extremely small currents, a specialized instrumentation device rather than a conventional dual amplifier triode.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
-
Base pins
-
Nominal heater
1.25 V / 10 mA

Description

Directly heated dual-anode electrometer triode for balanced measurement of extremely low currents.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
1.25 V
Nominal heater current
10 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
45600 Ω
Transconductance
0.000023 S
Amplification factor
1.05
Max plate voltage
10 V
Max cathode current
0.5 mA

Published maximum ratings and characteristics promoted from the approved source; repeated identical sections compressed where applicable.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
45600 Ω
Transconductance
0.000023 S
Amplification factor
1.05
Max plate voltage
10 V
Max cathode current
0.5 mA

Second physical triode row restored.

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

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • HeaterVoltageNominal

    1.25 V

    Nominal

  • HeaterCurrentNominal

    10 mA

    Nominal

  • Maximum Plate Voltage

    10 V

  • Maximum Cathode Current

    0.5 mA

Characteristic

  • Transconductance

    23 µS

    Typical

  • Amplification Factor

    1.05

    Typical

  • Plate Resistance

    45600 ohm

    Typical