3CX6000H3SPEC

Svetlana 3CX6000H3 medium-mu ceramic-metal industrial RF power triode with directly heated 5 V 72 A thoriated-tungsten mesh filament, 6000 W plate dissipation and forced-air cooling.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 5 V / 72 A

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: 5 V
Nominal heater current: 72 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: 22
Max plate voltage: 8000 V
Max plate dissipation: 6000 W
Max grid dissipation: 400 W

Svetlana 3CX6000H3 medium-mu industrial power triode, Class C CW amplifier/oscillator. Max plate voltage 8000 V, plate dissipation 6000 W, grid dissipation 400 W, negative DC grid bias magnitude max 550 V, DC grid current max 0.45 A, max CW frequency 90 MHz. Mu 22. Cold capacitances filament grounded: input 50 pF, output 1.2 pF, feedback 30 pF. Typical 60 MHz grounded cathode: Va 8000 V, Ia 1.56 A, grid bias -400 V, grid current 290 mA, peak positive RF grid voltage 765 V, plate input 12480 W, output 9000 W, plate dissipation 3480 W, efficiency 72%. Thoriated tungsten mesh filament 5.0±0.25 V 72 A; forced air cooling required, at 6000 W dissipation 445 CFM sea level or 650 CFM at 10000 ft, with 50°C ambient and envelope under 200°C.

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.

No source-specific operating conditions are recorded.