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Technical Data Sheet
8491B-003 ✓ 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,PLASTIC DIELECTR. Key specifications include material: STEEL CORROSION RESISTING BODY, body_style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE, power_rating: 2.0 WATTS AVERAGE AND 100.0 WATTS PEAK, overall_length: 2.438 INCHES NOMINAL IN, frequency_range: 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM, mounting_method: CONNECTOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-455-4487, 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
8491B-003
NSN: 5985-00-455-4487
FSC: 5985
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
body_styleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
power_rating2.0 WATTS AVERAGE AND 100.0 WATTS PEAK
overall_length2.438 INCHES NOMINAL IN
frequency_range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
mounting_methodCONNECTOR
overall_diameter0.812 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
precious_materialGOLD
surface_treatmentPASSIVATE BODY
application_designTRANSMISSION LINE
fsc_application_dataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
NSN5985-00-455-4487
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN 8491B-003 MFR CAPACITOR,FIXED,PLASTI
KEY FEATURES
APPLICATION DESIGN: TRANSMISSION LINE
PRECIOUS MATERIAL: GOLD
PRECIOUS MATERIAL AND LOCATION: CONTACT SURFACES GOLD
SURFACE TREATMENT: PASSIVATE BODY
FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
ATTENUATION ACCURACY IN DECIBELS: -0.30 TO 0.30
CONNECTION TYPE PER FUNCTION: MALE INPUT AND FEMALE OUTPUT
BODY STYLE: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
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)
APPLICATION DESIGNTRANSMISSION LINE
PRECIOUS MATERIALGOLD
PRECIOUS MATERIAL AND LOCATIONCONTACT SURFACES GOLD
SURFACE TREATMENTPASSIVATE BODY
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
ATTENUATION ACCURACY IN DECIBELS-0.30 TO 0.30
CONNECTION TYPE PER FUNCTIONMALE INPUT AND FEMALE OUTPUT
BODY STYLEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
VOLTAGE STANDING WAVE RATIO1.20 AND 1.30 AND 1.50
OVERALL LENGTH2.438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
N0043PC29Interchangeable
interchangeable cross-reference
interchangeable
10228PC6Interchangeable
interchangeable cross-reference
interchangeable
2193Interchangeable
interchangeable cross-reference
interchangeable
S23996Interchangeable
interchangeable cross-reference
interchangeable
23996Interchangeable
interchangeable cross-reference
interchangeable
B2R53P25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8491B-003?
8491B-003 is a CAPACITOR,FIXED,PLASTIC DIELECTR.
What parts can replace 8491B-003?
There are 29 known substitutes for 8491B-003: N0043PC29, 10228PC6, 2193 and 26 more. Substitute compatibility should be verified for your specific system.
Is 8491B-003 still available?
8491B-003 is currently cancelled.
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