20-90520 — CAPACITOR,FIXED,ELECTROLYTIC

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

20-90520: 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/O MTG FACILITIES, TERMINAL(S) ON ONE END, body_length: 4.235 INCHES NOMINAL IN, body_diameter: 3.110 INCHES NOMINAL IN, terminal_length: 0.031 INCHES NOMINAL IN, terminal_diameter: 0.190 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-942-6761, 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→ 20-90520

NSN: 5910-00-942-6761
FSC: 5910 — Capacitors
CAGE: 37942 — YOSEMITE INVESTMENT INC DBA NORTH AMERICAN CAPACITOR CO (USA)

SPECIFICATIONS

anode_type	PLAIN FOIL
body_style	W/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length	4.235 INCHES NOMINAL IN
body_diameter	3.110 INCHES NOMINAL IN
terminal_length	0.031 INCHES NOMINAL IN
terminal_diameter	0.190 INCHES NOMINAL IN
reliability_indicator	NOT ESTABLISHED
electrical_polarization	POLARIZED
nonderated_operating_temp	-20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity	2 THREADED HOLE
tolerance_range_per_section	-2.00 TO 15.00 PERCENT SINGLE SECTION
dc_leakage_at_reference_temp	8.370 MILLIAMPERES
NSN	5910-00-942-6761

COMPONENT DIAGRAM

KEY FEATURES

•

BODY DIAMETER: 3.110 INCHES NOMINAL IN

•

TERMINAL DIAMETER: 0.190 INCHES NOMINAL IN

•

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

•

TOLERANCE RANGE PER SECTION: -2.00 TO 15.00 PERCENT SINGLE SECTION

•

NONDERATED OPERATING TEMP: -20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC

•

TERMINAL LENGTH: 0.031 INCHES NOMINAL IN

•

ELECTRICAL POLARIZATION: POLARIZED

•

CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER: 1.125 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	3.110 INCHES NOMINAL IN
TERMINAL DIAMETER	0.190 INCHES NOMINAL IN
BODY STYLE	W/O MTG FACILITIES, TERMINAL(S) ON ONE END
TOLERANCE RANGE PER SECTION	-2.00 TO 15.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP	-20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
TERMINAL LENGTH	0.031 INCHES NOMINAL IN
ELECTRICAL POLARIZATION	POLARIZED
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER	1.125 INCHES NOMINAL IN
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS	0.06
ANODE TYPE	PLAIN FOIL

SUBSTITUTES & CROSS-REFERENCES 2

TX-21311Reference document

Same NSN cross-reference

Reference document — Secondary reference

9890Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 20-90520?

20-90520 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).

What parts can replace 20-90520?

There are 2 known substitutes for 20-90520: TX-21311, 9890. Substitute compatibility should be verified for your specific system.

What is the NSN for 20-90520?

20-90520 is cataloged in the U.S. Government catalog under NSN 5910-00-942-6761. This indicates validated use in U.S. government and defense supply chains.

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20-90520 — CAPACITOR,FIXED,ELECTROLYTIC

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