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Technical Data Sheet
661 ✓ 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

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 material: STEEL BLADE, tip_type: SQUARE, shank_shape: ROUND, blade_length: 4.000 INCHES NOMINAL IN, overall_length: 7.750 INCHES NOMINAL IN, special_features: CUSHION GRIP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-118-2502, 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 661
NSN: 6625-00-118-2502
FSC: 6625
CAGE: 30636 — A P ASSOCIATED PRODUCTS INC (USA)
SPECIFICATIONS
materialSTEEL BLADE
tip_typeSQUARE
shank_shapeROUND
blade_length4.000 INCHES NOMINAL IN
overall_length7.750 INCHES NOMINAL IN
special_featuresCUSHION GRIP
tip_size_designation1
NSN6625-00-118-2502
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 661 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
INDICATOR TYPE: DIAL W/POINTER
MOUNTING ARRANGEMENT STYLE: FOUR HOLE/STUD RECTANGULAR/SQUARE
CIRCUIT CURRENT FOR WHICH DESIGNED: AC
SCALE GRADUATION TYPE: NONLINEAR SINGLE INDICATOR ALL RANGES
CIRCUIT ATTACHMENT METHOD AND QUANTITY: 5 THREADED STUD
POINTER COLOR: BLACK SINGLE INDICATOR ALL RANGES
MOVEMENT SUSPENSION METHOD: TAUT BAND
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)
INDICATOR TYPEDIAL W/POINTER
OVERALL WIDTH6.010 INCHES MAXIMUM IN
MOUNTING ARRANGEMENT STYLEFOUR HOLE/STUD RECTANGULAR/SQUARE
CIRCUIT CURRENT FOR WHICH DESIGNEDAC
SCALE GRADUATION TYPENONLINEAR SINGLE INDICATOR ALL RANGES
CIRCUIT ATTACHMENT METHOD AND QUANTITY5 THREADED STUD
POINTER COLORBLACK SINGLE INDICATOR ALL RANGES
MOVEMENT SUSPENSION METHODTAUT BAND
FEATURES PROVIDEDZERO ADJUSTER
NUCLEAR HARDNESS CRITICAL FEATURENONHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
55-4187Upgraded Successor
successor cross-reference
successor
55-4187-4Upgraded Successor
successor cross-reference
successor
TP-105-01-03Upgraded Successor
successor cross-reference
successor
554-136Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 661?
661 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 661?
There are 4 known substitutes for 661: 55-4187, 55-4187-4, TP-105-01-03 and 1 more. Substitute compatibility should be verified for your specific system.
Is 661 still available?
661 is currently cancelled.
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