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Power - Triode ·Triode

HY40

Rugged high-efficiency Hytron power triode designed for substantial transmitting and power-amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
UX4
Base pins
-
Nominal heater
-

Description

-HIGH EFFICIENCY TRIODE The Hytron HY40 tube is a high efficiency triode of rugged cone- struction.

Socket description

Medium-shell UX 4-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
UX4
Base pins
-
Nominal heater voltage
-
Nominal heater current
2.25 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
Max plate voltage
1000 V

Promoted ratings/characteristics from HY40.pdf.

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

1944 Hytron

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Heater or filament current

    2.25 A

    Published nominal value