Skip to main content

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

8244

Water-cooled ceramic-metal radial-beam tetrode designed for linear, audio, and RF amplifier service at high power.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6 V / 16 A

Description

The EIMAC 8244 is a water-cooled ceramic/metal radial-beam tetrode for linear, audio and rf amplifier service.

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
16 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
6000 V
Max screen voltage
1000 V
Max plate dissipation
2000 W
Max screen dissipation
50 W
Max grid dissipation
5 W
Max cathode current
1.5 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

    6000 V

  • Maximum DC screen voltage

    1000 V

  • Maximum plate dissipation

    2000 W

  • Maximum screen dissipation

    50 W

  • Maximum grid dissipation

    5 W

  • Maximum cathode/plate current

    1.5 A