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Rectifier - Half Wave ·Rectifier

U319

Half-wave rectifier for electronic power-supply service, with manufacturer documentation defining its voltage, current, and intended operating conditions.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
20 V / 300 mA

Description

The Marconi U319 is a indirectly heated half-wave rectifier for capacitor-input power supplies.

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
20 V
Nominal heater current
300 mA
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

Rectifier

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
700 V
Rectifier nominal output current
170 mA
Rectifier peak forward current
1 A
Rectifier max heater-cathode voltage
350 V

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

1955 Marconi

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Heater/filament voltage

    20 V

  • Heater/filament current

    300 mA

  • Peak inverse voltage

    700 V

  • Nominal/maximum output current

    170 mA

  • Peak anode current

    1 A

  • Maximum heater-cathode voltage

    350 V

  • Surge anode current

    3.4 A

Construction

  • Rectifier topology

    Half-wave

Capacitance

  • Anode capacitance

    8 pF