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

3Q260E

Water-cooled very-high-power RF triode with an exceptionally heavy filament for large transmitting installations.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
10 V / 100 A

Description

Water-cooled 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
10 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
Plate resistance
1400 Ω
Amplification factor
35
Max plate voltage
11000 V
Max plate dissipation
20000 W

Values transcribed from the approved datasheet; additional published data retained as parameters.

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

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Grid to anode

    30 pF

    Published direct interelectrode capacitance

  • Grid to filament

    50 pF

    Published direct interelectrode capacitance

  • Anode to filament

    20 pF

    Published direct interelectrode capacitance

  • Heater/filament nominal current

    100 A

    Nominal published value