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

RS2004J

Water-cooled coaxial tetrode with approximately 120 kW plate dissipation for RF amplifiers to roughly 220 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.5 V / 680 A

Description

Coaxial metal-ceramic transmitting tetrode, water-cooled with integrated cooling jacket, particularly suitable for RF amplifiers up to 220 MHz.

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
6.5 V
Nominal heater current
680 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
Transconductance
0.095 S
Amplification factor
4
Max plate voltage
9000 V
Max screen voltage
1200 V
Max plate dissipation
120000 W
Max screen dissipation
1200 W
Max grid dissipation
400 W
Max cathode current
30 A

Maximum ratings kept separate from typical operating characteristics; fixed fields use published maximum-rating values where clearly applicable.

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

1963 Siemens

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Capacitance

  • Cathode/control grid

    205 pF

  • Cathode/screen grid

    22 pF

  • Cathode/anode

    1.2 pF

  • Control grid/screen grid

    230 pF

  • Control grid/anode

    5 pF

  • Screen grid/anode

    90 pF

Characteristic

  • Emission current

    160 A