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Rectifier - Full Wave ·Rectifier-Rectifier

EL3C

Directly heated full-wave xenon rectifier with tantalum anodes for high-current power conversion. Rated for approximately 725 V peak inverse voltage, 2.5 A DC output, and 10 A peak current.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
A4-81
Socket code
A
Base pins
4
Nominal heater
2.5 V / 11.5 A

Description

EL3C is a full-wave xenon rectifier tube using tantalum anodes and xenon gas filling. The datasheet publishes filament, anode-current, inverse-voltage, arc-drop and operating ratings.

Socket description

A-type industrial rectifier base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
A4-81
Socket code
A
Base pins
4
Nominal heater voltage
2.5 V
Nominal heater current
11.5 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

A4-81 - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances
Max cathode current
2.5 A
Rectifier peak inverse voltage
725 V
Rectifier nominal output current
2.5 A
Rectifier peak forward current
10 A
Rectifier forward voltage drop
8 V
Rectifier warm-up time
30 s

Xenon rectifier section.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances
Max cathode current
2.5 A
Rectifier peak inverse voltage
725 V
Rectifier nominal output current
2.5 A
Rectifier peak forward current
10 A
Rectifier forward voltage drop
8 V
Rectifier warm-up time
30 s

Second physical rectifier section; electrical properties populated from applicable published ratings.

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

1942 Electrons Inc

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • D-c. Meter Value - Continuous

    2.5 A

  • Oscillograph Peak - Continuously Recurring

    10 A

  • Peak Inverse Voltage

    725 V

  • Filament Voltage

    2.5 V

  • Filament Current

    11.5 A

  • Heating Time Minimum

    30 s

  • Maximum Anode Supply Frequency

    250 Hz

  • Maximum Short Circuit Current

    150 A

  • Maximum Commutation Factor

    0.66 V/us x A/us

Characteristics

  • Average Arc Drop

    8 V

Data set 02

1958 Electrons Inc

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Continuous DC anode current

    2.5 A

  • Overload anode current

    3 A

    LessThan3Seconds

  • Continuously recurring peak anode current

    10 A

  • Peak inverse voltage

    725 V

Characteristic

  • Minimum filament heating time

    30 s

  • Average arc drop, average tube

    8 V

  • Average arc drop, highest/end-of-life tube

    13 V

  • Filament current tolerance

    1 A

Construction

  • Gas filling

    Xenon

  • Anode material

    Tantalum

SECTION 2

Rectifier

Other

  • Continuous DC anode current

    2.5 A

  • Overload anode current

    3 A

    LessThan3Seconds

  • Continuously recurring peak anode current

    10 A

  • Peak inverse voltage

    725 V

Characteristic

  • Minimum filament heating time

    30 s

  • Average arc drop, average tube

    8 V

  • Average arc drop, highest/end-of-life tube

    13 V

  • Filament current tolerance

    1 A

Construction

  • Gas filling

    Xenon

  • Anode material

    Tantalum