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Rectifier - Half Wave ·Rectifier

NL619

Directly heated National Electronics industrial rectifier for high-current conversion. Rated for approximately 300 V peak inverse voltage and 6 A nominal output for low-voltage industrial DC supplies.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
GOLIATH
Base pins
-
Nominal heater
2 V / 11.5 A

Description

The NL619 is a National Electronics industrial rectifier tube with published DC output-current and peak-inverse-voltage ratings.

Socket description

Goliath industrial rectifier base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
GOLIATH
Base pins
-
Nominal heater voltage
2 V
Nominal heater current
11.5 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

Rectifier

X-ray radiationInterelectrode capacitances
Max cathode current
6 A
Rectifier peak inverse voltage
300 V
Rectifier nominal output current
6 A
Rectifier peak forward current
20 A
Rectifier forward voltage drop
10 V
Rectifier warm-up time
60 s

Published rectifier ratings promoted from technical-information table.

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

1956 National Electronics Industrial Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum peak inverse voltage

    300 V

    Published datasheet value

  • Maximum DC output current

    6 A

    Published datasheet value

  • Maximum instantaneous output current

    20 A

    Published datasheet value

  • Maximum AC short-circuit current

    250 A

    Published datasheet value

Characteristics

  • Heating time

    60 s

    Published datasheet value

  • Filament current range

    10 to 13 A

    Published range

  • Typical arc drop

    10 V

    At stated peak current

Data set 02

1957 National Electronics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum DC output current

    6 A

  • Maximum instantaneous output current

    20 A

  • Maximum peak inverse voltage

    300 V

Characteristic

  • Filament heating time

    60 s

  • Typical arc drop

    10 V

  • Typical anode starting voltage

    9 V

Construction

  • Filling

    Mercury vapor