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Technical Data Sheet
PartsTable / MRO / 581R944H05
581R944H05 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CAPACITOR,FIXED,PLASTIC DIELECTR. Key specifications include body_style: W/MTG TABS/FLANGES, TERMINALS ON OPPOSITE SURFACES, body_width: 12.490 INCHES NOMINAL IN, body_height: 3.720 INCHES NOMINAL IN, body_length: 13.750 INCHES NOMINAL IN, terminal_length: 0.620 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-093-9040, 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→ 581R944H05
NSN: 5910-01-093-9040
FSC: 5910
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
body_styleW/MTG TABS/FLANGES, TERMINALS ON OPPOSITE SURFACES
body_width12.490 INCHES NOMINAL IN
body_height3.720 INCHES NOMINAL IN
body_length13.750 INCHES NOMINAL IN
terminal_length0.620 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 THREADED STUD
tolerance_range_per_section-10.00 TO 10.00 PERCENT SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
capacitance_value_per_section0.100 MICROFARADS SINGLE SECTION
unthreaded_mounting_hole_diameter0.221 INCHES NOMINAL IN
NSN5910-01-093-9040
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN 581R944H05 MFR CAPACITOR,FIXED,PLASTI
KEY FEATURES
•
CAPACITANCE VALUE PER SECTION: 0.100 MICROFARADS SINGLE SECTION
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 88000.0 DC SINGLE SECTION
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED MOUNTING HOLES
•
TERMINAL TYPE AND QUANTITY: 2 THREADED STUD
•
BODY STYLE: W/MTG TABS/FLANGES, TERMINALS ON OPPOSITE SURFACES
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.221 INCHES NOMINAL IN
•
TERMINAL LENGTH: 0.620 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 (FLIS)
CAPACITANCE VALUE PER SECTION0.100 MICROFARADS SINGLE SECTION
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION88000.0 DC SINGLE SECTION
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED MOUNTING HOLES
TERMINAL TYPE AND QUANTITY2 THREADED STUD
BODY STYLEW/MTG TABS/FLANGES, TERMINALS ON OPPOSITE SURFACES
UNTHREADED MOUNTING HOLE DIAMETER0.221 INCHES NOMINAL IN
TERMINAL LENGTH0.620 INCHES NOMINAL IN
BODY WIDTH12.490 INCHES NOMINAL IN
BODY LENGTH13.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
SL5566PC6Interchangeable
interchangeable cross-reference
interchangeable
3622PInterchangeable
interchangeable cross-reference
interchangeable
W5248Interchangeable
interchangeable cross-reference
interchangeable
10660Interchangeable
interchangeable cross-reference
interchangeable
1018855-001Interchangeable
interchangeable cross-reference
interchangeable
HE161001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 581R944H05?
581R944H05 is a CAPACITOR,FIXED,PLASTIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 581R944H05?
There are 15 known substitutes for 581R944H05: SL5566PC6, 3622P, W5248 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 581R944H05?
581R944H05 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-093-9040. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026