ARA-4158 — CAPACITOR,FIXED,ELECTROLYTIC

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

ARA-4158: CAPACITOR,FIXED,ELECTROLYTIC.

The CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include anode_type: PLAIN FOIL, body_style: W/THD MTG HOLE(S)/STUD(S) TERMINAL(S) ON ONE SURFACE, body_width: 1.031 INCHES MAXIMUM IN, body_height: 1.449 INCHES MAXIMUM IN, body_length: 1.812 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-728-4092, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

MRO→ MRO_GENERAL→ ARA-4158

NSN: 5910-00-728-4092
FSC: 5910 — Capacitors
CAGE: 25579 — ARGENT INDUSTRIES, INC. (USA)

SPECIFICATIONS

anode_type	PLAIN FOIL
body_style	W/THD MTG HOLE(S)/STUD(S) TERMINAL(S) ON ONE SURFACE
body_width	1.031 INCHES MAXIMUM IN
body_height	1.449 INCHES MAXIMUM IN
body_length	1.812 INCHES MAXIMUM IN
section_quantity	2
features_provided	HERMETICALLY SEALED CASE
nominal_thread_size	0.112 INCHES IN
reliability_indicator	NOT ESTABLISHED
electrical_polarization	POLARIZED
nonderated_operating_temp	-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity	2 TAB, SOLDER LUG AND 2 SOLDER STUD
NSN	5910-00-728-4092

COMPONENT DIAGRAM

KEY FEATURES

•

BODY STYLE: W/THD MTG HOLE(S)/STUD(S) TERMINAL(S) ON ONE SURFACE

•

TOLERANCE RANGE PER SECTION: -20.00 TO 75.00 PERCENT 1ST SECTION AND -20.00 TO 75.00 PERCENT 2ND SECTION

•

NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC

•

DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 1.000 INCHES NOMINAL IN

•

ELECTRICAL POLARIZATION: POLARIZED

•

BODY WIDTH: 1.031 INCHES MAXIMUM IN

•

BODY HEIGHT: 1.449 INCHES MAXIMUM IN

•

EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS: 12.50

TYPICAL APPLICATIONS

RAID cache protection during power loss events
Write-back cache enablement for storage controllers
Enterprise server data integrity assurance
Hot-swap battery/capacitor replacement in production

TECHNICAL CHARACTERISTICS

BODY STYLE	W/THD MTG HOLE(S)/STUD(S) TERMINAL(S) ON ONE SURFACE
TOLERANCE RANGE PER SECTION	-20.00 TO 75.00 PERCENT 1ST SECTION AND -20.00 TO 75.00 PERCENT 2ND SECTION
NONDERATED OPERATING TEMP	-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	1.000 INCHES NOMINAL IN
ELECTRICAL POLARIZATION	POLARIZED
BODY WIDTH	1.031 INCHES MAXIMUM IN
BODY HEIGHT	1.449 INCHES MAXIMUM IN
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS	12.50
SECTION QUANTITY	2
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

SUBSTITUTES & CROSS-REFERENCES 3

21-12554Reference document

Same NSN cross-reference

Reference document — Secondary reference

Y18395AReference document

Same NSN cross-reference

Reference document — Secondary reference

D22854Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ARA-4158?

ARA-4158 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).

What parts can replace ARA-4158?

There are 3 known substitutes for ARA-4158: 21-12554, Y18395A, D22854. Substitute compatibility should be verified for your specific system.

What is the NSN for ARA-4158?

ARA-4158 is cataloged in the U.S. Government catalog under NSN 5910-00-728-4092. This indicates validated use in U.S. government and defense supply chains.

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ARA-4158 — CAPACITOR,FIXED,ELECTROLYTIC

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