RS1081

Siemens transmitting triode for industrial RF oscillators as well as RF or audio-frequency amplifier and modulator service. Approximately 20 kW plate dissipation and 15 kV capability provide substantial multi-kilowatt professional power.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 8 V / 145 A

Description

Transmitting triode with disc-shaped grid lead-through, especially suitable as an oscillator in industrial RF generators and as an RF or AF amplifier/modulator.

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: 8 V
Nominal heater current: 145 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: 0.035 S
Amplification factor: 45
Max plate voltage: 15000 V
Max plate dissipation: 20000 W
Max grid dissipation: 500 W

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

Triode

Capacitance

cgk
80 pF
Cak
1 pF
Cga
33 pF