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Power - Triode ·Triode

HV18

United Electronics power triode designed for substantial RF power-amplifier and oscillator service in transmitting equipment.

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

Description

HV18 is a power/amplifier tube described in the approved United Electronics engineering datasheet.

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 Plate

    6.5 pF

    Published average direct interelectrode capacitance

  • Grid to Filament

    5 pF

    Published average direct interelectrode capacitance

  • Plate to Filament ...

    1.5 pF

    Published average direct interelectrode capacitance