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Power - Tetrode (NOT beam) (over 1000V 100W) ·Tetrode

8171

High-dissipation forced-air-cooled ceramic-metal Eimac tetrode intended for high-power transmitting and RF amplifier applications.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6 V / 78 A

Description

The EIMAC 8171 is a high-dissipation forced-air-cooled ceramic/metal tetrode.

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
6 V
Nominal heater current
78 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

Tetrode

X-ray radiationInterelectrode capacitances
Amplification factor
4.5
Max plate voltage
7500 V
Max screen voltage
1500 V
Max plate dissipation
10000 W
Max screen dissipation
250 W
Max grid dissipation
75 W
Max cathode current
6.66 A

Promoted from printed general-characteristics and maximum-ratings blocks.

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

Tetrode

Characteristic

  • Amplification factor

    4.5

Other

  • Maximum DC plate voltage

    7500 V

  • Maximum DC screen voltage

    1500 V

  • Maximum plate dissipation

    10000 W

  • Maximum screen dissipation

    250 W

  • Maximum grid dissipation

    75 W

  • Maximum cathode/plate current

    6.66 A