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PartsTable / COMPONENT / 1650H21-021
1650H21-021 ✓ 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 phase: THREE, disk_type: SINGLE, duty_type: CONTINUOUS, duty_cycle: CONTINUOUS, head_style: PAN, design_form: DISK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2995-00-397-5540, 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
1650H21-021
NSN: 2995-00-397-5540
FSC: 2995
CAGE: 81996 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
phaseTHREE
disk_typeSINGLE
duty_typeCONTINUOUS
duty_cycleCONTINUOUS
head_stylePAN
design_formDISK
design_typeINTEGRAL RIM
head_height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
ambient_temp50.0 CELSIUS DEGC
control_typeLOCAL OR REMOTE
groove_depth1.312 INCHES NOMINAL IN
power_rating10.000 HORSEPOWER
NSN2995-00-397-5540
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 1650H21-021 MFR CAPACITOR,FIXED,PAPER
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
3661241Interchangeable
interchangeable cross-reference
interchangeable
602479Interchangeable
interchangeable cross-reference
interchangeable
82161BInterchangeable
interchangeable cross-reference
interchangeable
BB55S49-04PC42Interchangeable
interchangeable cross-reference
interchangeable
W6452PC42Interchangeable
interchangeable cross-reference
interchangeable
W7710PC46Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1650H21-021?
1650H21-021 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 1650H21-021?
There are 12 known substitutes for 1650H21-021: 3661241, 602479, 82161B and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1650H21-021?
1650H21-021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2995-00-397-5540. 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