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Technical Data Sheet

18-28 — Technical Data Sheet

✓ 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 end_type: SHOULDERED FERRULE W/ROUND NUT SECOND END, material: COPPER ALLOY, nut_style: PIPE LOCKNUT, base_style: MINIATURE BAYONET, body_style: W/THD BUSHING MTG, TERMINAL(S) ON ONE END, bulb_style: T (TUBULAR). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5950-00-066-0927, 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→ 18-28
NSN: 5950-00-066-0927
FSC: 5950
CAGE: 80138 — KAY ELEMETRICS CORPORATION (USA)
SPECIFICATIONS
end_typeSHOULDERED FERRULE W/ROUND NUT SECOND END
materialCOPPER ALLOY
nut_stylePIPE LOCKNUT
base_styleMINIATURE BAYONET
body_styleW/THD BUSHING MTG, TERMINAL(S) ON ONE END
bulb_styleT (TUBULAR)
case_styleSQUARE
derivationBOVINE
nut_height0.812 INCHES NOMINAL IN
seal_width0.375 INCHES NOMINAL IN
body_length2.250 INCHES NOMINAL IN
design_typeNONREUSABLE
NSN5950-00-066-0927
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 18-28 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
BODY LENGTH: 0.625 INCHES NOMINAL IN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
ADJUSTMENT METHOD AND QUANTITY: 1 ADJUSTABLE CORE SINGLE COMPONENT
•
BODY OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
COIL FORM TYPE: HOLLOW SINGLE COMPONENT
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
TERMINAL TYPE AND QUANTITY: 4 WIRE LEAD
•
ADJUSTMENT DEVICE DRIVE TYPE: SHAFT SINGLE COMPONENT
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
BODY LENGTH0.625 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
ADJUSTMENT METHOD AND QUANTITY1 ADJUSTABLE CORE SINGLE COMPONENT
BODY OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
COIL FORM TYPEHOLLOW SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
TERMINAL TYPE AND QUANTITY4 WIRE LEAD
ADJUSTMENT DEVICE DRIVE TYPESHAFT SINGLE COMPONENT
INCLOSURE TYPEOPEN
FREQUENCY RATING75.0 KILOHERTZ NOMINAL SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
PT265InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
0631828InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AB00604995265InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
H33L38InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
499-050-021InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
63X1828InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18-28?
18-28 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 18-28?
There are 12 known substitutes for 18-28: PT265, 0631828, AB00604995265 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18-28?
18-28 is cataloged in the Federal Logistics Information System under NSN 5950-00-066-0927. This indicates validated use in U.S. government and defense supply chains.
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