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Power - Triode (over 1000V 100W) ·Triode

5867A

Rugged heavy-duty transmitting triode for Class C RF and specialized high-voltage service. Rated for 350 W plate dissipation, with published operation producing roughly 1.1 kW RF output from a 3.5 kV plate supply.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 5 V / 14.7 A

Description

5867A is listed in the supplied Amperex material as a rugged heavy-duty HF 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: -
Nominal heater voltage: 5 V
Nominal heater current: 14.7 A
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

1 physical section, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Transconductance: 0.005 S
Amplification factor: 25
Max plate voltage: 4000 V
Max plate dissipation: 350 W
Max grid dissipation: 30 W
Max cathode current: 400 mA

Promoted from printed maximum ratings and general characteristics.

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

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

Grid-Plate - - - - - - - - - - - 50 6.2 uuf
6.2 pF
Grid-Filament - - - - - - - - - - 65 8.0 uuf
8 pF
Plate-Filament - - - - - - - - - - 0.5 uuf
0.5 pF

Data set 02

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Published classification
rugged heavy-duty HF triode
Amperex power-tube description

Data set 03

1975 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Filament Current Range
13.5 A to 14.7 A
Transconductance
0.005 A/V

Capacitance

Grid-Plate Capacitance
6.2 pF
Grid-Filament Capacitance
8 pF
Plate-Filament Capacitance
0.5 pF

Other

Frequency Full Rating Maximum
50 MHz
Class-C Plate Voltage Maximum
3800 V
ClassC
Class-C Plate Current Maximum
360 mA
ClassC
Class-C Plate Input Maximum
1500 W
ClassC
Typical Plate Voltage
3500 V
ClassC
Typical Plate Current
325 mA
ClassC
Typical Plate Output
1100 W
ClassC
Self-Rectified RMS Plate Voltage Maximum
4500 V
SelfRectified
Self-Rectified Plate Input Maximum
900 W
SelfRectified

Data set 04

1976 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Filament Current Range
13.5 A to 14.7 A
Transconductance
0.005 A/V

Capacitance

Grid-Plate Capacitance
6.2 pF
Grid-Filament Capacitance
8 pF
Plate-Filament Capacitance
0.5 pF

Other

Frequency Full Rating Maximum
50 MHz
Class-C Plate Voltage Maximum
3800 V
ClassC
Class-C Plate Current Maximum
360 mA
ClassC
Class-C Plate Input Maximum
1500 W
ClassC
Typical Plate Voltage
3500 V
ClassC
Typical Plate Current
325 mA
ClassC
Typical Plate Output
1100 W
ClassC
Self-Rectified RMS Plate Voltage Maximum
4500 V
SelfRectified
Self-Rectified Plate Input Maximum
900 W
SelfRectified