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Power - Triode (over 1000V 100W) ·Triode

6447

Forced-air-cooled version of the ruggedized 6446 high-power industrial RF triode.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
22 V / 60 A

Description

Forced-air-cooled version of the ruggedized 6446 heavy-wall industrial RF 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
22 V
Nominal heater current
60 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
0.007 S
Amplification factor
50
Max plate voltage
14000 V
Max plate dissipation
10000 W
Max cathode current
2 A

Published promoted ratings/characteristics captured where applicable; additional source values preserved in parameter rows.

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

1953 Amperex

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Cooling method

    Forced air

Other

  • Maximum frequency at full plate voltage and input

    5 MHz

  • Maximum plate current

    2 A

  • Plate input maximum

    26 kW

    ClassC

  • Typical RF power output at 12 kV

    17.1 kW

    ClassC

Data set 02

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate voltage

    12000 V

    RFPower

  • Plate current

    2 A

    RFPower

  • Power output

    17500 W

    RFPower

  • Grid voltage

    -500 V

    RFPower

  • Grid current

    230 mA

    RFPower

  • Maximum frequency

    5 MHz

    FullInput

Capacitance

  • Grid-plate capacitance

    32 pF

  • Grid-filament capacitance

    17 pF

  • Plate-filament capacitance

    1.8 pF