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Technical Data Sheet
PartsTable / MRO / 577R559H34
577R559H34 ✓ 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,GLASS DIELECTRIC. Key specifications include material: PLASTIC CASE, body_style: W/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE, body_width: 0.200 INCHES NOMINAL IN, body_height: 0.115 INCHES NOMINAL IN, body_length: 0.300 INCHES NOMINAL IN, terminal_length: 1.250 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-436-0977, 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→ 577R559H34
NSN: 5910-00-436-0977
FSC: 5910
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE
body_width0.200 INCHES NOMINAL IN
body_height0.115 INCHES NOMINAL IN
body_length0.300 INCHES NOMINAL IN
terminal_length1.250 INCHES MINIMUM IN
terminal_diameter0.020 INCHES NOMINAL IN
reliability_indicatorESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-C-23269/10 GOVERNMENT SPECIFICATION
tolerance_range_per_section-1.00 TO 1.00 PERCENT SINGLE SECTION
NSN5910-00-436-0977
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,GLASS DIELECTRIC TITLE COMPONENT PN 577R559H34 MFR CAPACITOR,FIXED,GLASS
KEY FEATURES
•
BODY HEIGHT: 0.115 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-23269/10 GOVERNMENT SPECIFICATION
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 300.0 DC SINGLE SECTION
•
TEST DATA DOCUMENT: 81349-MIL-C-23269 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
TERMINAL DIAMETER: 0.020 INCHES NOMINAL IN
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
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)
BODY HEIGHT0.115 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81349-MIL-C-23269/10 GOVERNMENT SPECIFICATION
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION300.0 DC SINGLE SECTION
TEST DATA DOCUMENT81349-MIL-C-23269 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
TERMINAL DIAMETER0.020 INCHES NOMINAL IN
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
PRECIOUS MATERIAL AND LOCATIONTERMINAL SURFACE GOLD
TOLERANCE RANGE PER SECTION-1.00 TO 1.00 PERCENT SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
M23269/01-4080Interchangeable
interchangeable cross-reference
interchangeable
CY10C221JInterchangeable
interchangeable cross-reference
interchangeable
CYFM10C221JInterchangeable
interchangeable cross-reference
interchangeable
CY06C620FInterchangeable
interchangeable cross-reference
interchangeable
40-904006-6201Interchangeable
interchangeable cross-reference
interchangeable
M23269-10-3080Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 577R559H34?
577R559H34 is a CAPACITOR,FIXED,GLASS DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 577R559H34?
There are 13 known substitutes for 577R559H34: M23269/01-4080, CY10C221J, CYFM10C221J and 10 more. Substitute compatibility should be verified for your specific system.
Is 577R559H34 still available?
577R559H34 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026