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PartsTable / COMPONENT / FCD2521-1
FCD2521-1 ✓ Verified by PartsTable
— · COMPONENT
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,PAPER DIELECTRIC. Key specifications include unit_type: COAXIAL LINE, design_type: UNIDIRECTIONAL, usage_design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING, overall_width: 1.880 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN, overall_height: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN, overall_length: 4.480 INCHES MINIMUM AND 4.520 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-293-2297, 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
FCD2521-1
NSN: 5985-01-293-2297
FSC: 5985
CAGE: 07180 — SPECTRUM MICROWAVE, INC. (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE
design_typeUNIDIRECTIONAL
usage_designMAIN LINE AND SECONDARY LINE TERMINAL FITTING
overall_width1.880 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN
overall_height0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
overall_length4.480 INCHES MINIMUM AND 4.520 INCHES MAXIMUM IN
fsc_application_dataCOMMUNICATIONS EQUIPMENT
radio_frequency_rating1.0 GIGAHERTZ MINIMUM AND 10.5 GIGAHERTZ MAXIMUM
NSN5985-01-293-2297
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN FCD2521-1 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
RADIO FREQUENCY RATING: 1.0 GIGAHERTZ MINIMUM AND 10.5 GIGAHERTZ MAXIMUM
•
DESIGN TYPE: UNIDIRECTIONAL
•
FSC APPLICATION DATA: COMMUNICATIONS EQUIPMENT
•
UNIT TYPE: COAXIAL LINE
•
USAGE DESIGN: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
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)
RADIO FREQUENCY RATING1.0 GIGAHERTZ MINIMUM AND 10.5 GIGAHERTZ MAXIMUM
DESIGN TYPEUNIDIRECTIONAL
OVERALL WIDTH1.880 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN
FSC APPLICATION DATACOMMUNICATIONS EQUIPMENT
OVERALL LENGTH4.480 INCHES MINIMUM AND 4.520 INCHES MAXIMUM IN
UNIT TYPECOAXIAL LINE
USAGE DESIGNMAIN LINE AND SECONDARY LINE TERMINAL FITTING
OVERALL HEIGHT0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
1-693Interchangeable
interchangeable cross-reference
interchangeable
NAV132-56Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-3541BInterchangeable
interchangeable cross-reference
interchangeable
7338650Interchangeable
interchangeable cross-reference
interchangeable
AS35411Interchangeable
interchangeable cross-reference
interchangeable
5638249Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FCD2521-1?
FCD2521-1 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace FCD2521-1?
There are 13 known substitutes for FCD2521-1: 1-693, NAV132-56, MIL-F-3541B and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FCD2521-1?
FCD2521-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-293-2297. 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