EL3CF

Xenon-filled full-wave power rectifier with tantalum-anode construction. Rated for approximately 725 V peak inverse voltage and 2.5 A DC output for substantial power-supply loads.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: A
Base pins: -
Nominal heater: 2.5 V / 11.5 A

Description

EL3CF xenon-filled power rectifier with tantalum anode construction.

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: -
Socket code: A
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

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

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

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