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Rectifier - Half Wave ·Rectifier

NL604L

Directly heated NL604-series industrial power rectifier. Its massive filament provides multiampere output for heavy DC supplies.

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

Description

NL604L industrial power rectifier tube.

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
2.5 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
2.5 A
Rectifier peak inverse voltage
900 V
Rectifier nominal output current
2.5 A
Rectifier peak forward current
10 A
Rectifier forward voltage drop
10 V
Rectifier warm-up time
15 s

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

1957 National Electronics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum DC output current

    2.5 A

  • Maximum instantaneous output current

    10 A

  • Maximum peak inverse voltage

    900 V

Characteristic

  • Filament heating time

    15 s

  • Typical arc drop

    10 V

  • Typical anode starting voltage

    10 V

Construction

  • Filling

    Argon/mercury vapor

Application

  • Service

    Industrial power rectifier