UPR1A331MPH — CAPACITOR,FIXED,ELECTROLYTIC

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

UPR1A331MPH: 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 body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, body_length: 0.500 INCHES NOMINAL IN, body_diameter: 0.375 INCHES NOMINAL IN, terminal_length: 0.500 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, electrical_polarization: POLARIZED. This part is cataloged in the U.S.

Government catalog under NSN 5910-01-392-0891, 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→ UPR1A331MPH

NSN: 5910-01-392-0891
FSC: 5910 — Capacitors
CAGE: 55680 — NICHICON AMERICA CORP (USA)

SPECIFICATIONS

body_style	W/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length	0.500 INCHES NOMINAL IN
body_diameter	0.375 INCHES NOMINAL IN
terminal_length	0.500 INCHES NOMINAL IN
reliability_indicator	NOT ESTABLISHED
electrical_polarization	POLARIZED
nonderated_operating_temp	-45.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatment	SOLDER
terminal_type_and_quantity	2 UNINSULATED WIRE LEAD
tolerance_range_per_section	-20.00 TO 20.00 PERCENT SINGLE SECTION
dc_leakage_at_reference_temp	2.000 MICROAMPERES
schematic_diagram_designator	NO COMMON OR GROUNDED ELECTRODE(S)
NSN	5910-01-392-0891

COMPONENT DIAGRAM

KEY FEATURES

•

BODY DIAMETER: 0.375 INCHES NOMINAL IN

•

BODY STYLE: W/O MTG FACILITIES, TERMINAL(S) ON ONE END

•

TOLERANCE RANGE PER SECTION: -20.00 TO 20.00 PERCENT SINGLE SECTION

•

NONDERATED OPERATING TEMP: -45.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC

•

TERMINAL SURFACE TREATMENT: SOLDER

•

TERMINAL LENGTH: 0.500 INCHES NOMINAL IN

•

ELECTRICAL POLARIZATION: POLARIZED

•

CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER: 0.187 INCHES NOMINAL IN

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 DIAMETER	0.375 INCHES NOMINAL IN
BODY STYLE	W/O MTG FACILITIES, TERMINAL(S) ON ONE END
TOLERANCE RANGE PER SECTION	-20.00 TO 20.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP	-45.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
TERMINAL SURFACE TREATMENT	SOLDER
TERMINAL LENGTH	0.500 INCHES NOMINAL IN
ELECTRICAL POLARIZATION	POLARIZED
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER	0.187 INCHES NOMINAL IN
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS	0.955
REFERENCE TEMP AT WHICH RATED	20.0 CELSIUS DEGC

OTHER ITEMS IN FSC 5910 — Capacitors

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5910-00-000-1038 5910-00-000-1049 5910-00-000-1080 5910-00-000-6838 5910-00-001-1913 5910-00-001-2576 5910-00-001-2577 5910-00-001-2578

SUBSTITUTES & CROSS-REFERENCES 2

0180-3594Reference document

Same NSN cross-reference

Reference document — Secondary reference

KME10VB331MSame 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 UPR1A331MPH?

UPR1A331MPH is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).

What parts can replace UPR1A331MPH?

There are 2 known substitutes for UPR1A331MPH: 0180-3594, KME10VB331M. Substitute compatibility should be verified for your specific system.

What is the NSN for UPR1A331MPH?

UPR1A331MPH is cataloged in the U.S. Government catalog under NSN 5910-01-392-0891. This indicates validated use in U.S. government and defense supply chains.

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UPR1A331MPH — CAPACITOR,FIXED,ELECTROLYTIC

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