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6800

Water-cooled thoriated-tungsten power triode for high-power RF amplification and industrial oscillators. Published industrial operation produces roughly 33 kW output, making it well suited to industrial heating generators and major transmitter equipment.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 7.5 V / 100 A

Description

Water-cooled thoriated-tungsten high-power RF amplifier and industrial oscillator triode.

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: 7.5 V
Nominal heater current: 100 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

Amplification factor: 19.5
Max plate dissipation: 20000 W

Published transmitting-triode ratings and typical RF operation extracted from source table.

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 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Maximum plate dissipation
20000 W
Typical plate voltage
12500 V
RF industrial service
Typical plate current
3.5 A
RF industrial service
Typical power output
33000 W
RF industrial service
Typical grid voltage
-1200 V
RF industrial service
Typical grid current
250 mA
RF industrial service
Grid full-input power
22.5 W
RF industrial service

Characteristic

Grid-to-plate capacitance
26 pF
Grid-to-filament capacitance
25 pF
Plate-to-filament capacitance
1 pF