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Power - Triode ·Triode

KU23

United Electronics high-power triode with wide electrode spacing and large anode, designed for RF power-amplifier and oscillator service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
JUMBO4B
Base pins
-
Nominal heater
-

Description

this tube the neces- Below 60 megacycles sary separation between elements for its heavy in- Above 5 meters put ratings. The large anode and wide spacing are *For operation at the higher frequencies, the plate voltage, plate design features contributing to the modern effi- cieny standards which this fube exemplifies current, plate dissipation, and d-c¢ grid current should not exceed 50% of the Maximum Ratings.

Socket description

Super Jumbo 4-pin bayonet

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
JUMBO4B
Base pins
-
Nominal heater voltage
-
Nominal heater current
-
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

No fixed ratings are recorded for this section.

Published ratings and characteristics promoted where directly established; remaining useful 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

1945 United Electronics

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Grid to Filament

    6 pF

    Published average direct interelectrode capacitance