5873

General-purpose twin triode intended for amplifier and control applications, providing two triode sections with moderate gain for signal amplification and related electronic functions.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 5873
Socket code: SUBMINIATURE8
Base pins: 8
Nominal heater: 6.3 V / 300 mA

Description

General-purpose dual triode useful in amplifier and control applications.

Socket description

Subminiature 8-lead base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 5873
Socket code: SUBMINIATURE8
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 300 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

5873 - 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: 10000 Ω
Transconductance: 0.0029 S
Amplification factor: 22
Max plate voltage: 300 V
Max plate dissipation: 1.6 W
Max cathode current: 20 mA

Promoted from clearly identified printed ratings/characteristics; additional published operating points, capacitances, and specialized ratings retained in TUBE_SECTION_PARAMETER.

Section 2

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 10000 Ω
Transconductance: 0.0029 S
Amplification factor: 22
Max plate voltage: 300 V
Max plate dissipation: 1.6 W
Max cathode current: 20 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
6.3 V
Nominal
HeaterCurrentNominal
300 mA
Nominal
Maximum Plate Voltage
300 V
Maximum Plate Dissipation
1.6 W
Maximum Cathode Current
20 mA

Characteristic

Transconductance
2500 µS
Typical
Amplification Factor
25
Typical
Plate Resistance
10000 ohm
Typical

Data set 02

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Plate voltage
150 V
ClassA;EachSection
Control-grid voltage
-3 V
ClassA;EachSection
Plate current
9 mA
ClassA;EachSection

Characteristic

Transconductance
2900 µS
EachSection
Amplification factor
22
EachSection