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PartsTable / COMPONENT / 856437-1
856437-1 ✓ 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

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 rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, inclosure_type: OPEN, overall_length: 0.919 INCHES MAXIMUM IN, inductance_type: FIXED, mounting_method: TERMINAL SINGLE GROUP, frequency_rating: 200.0 KILOHERTZ MINIMUM AND 5.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-416-8209, 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
856437-1
NSN: 5950-01-416-8209
FSC: 5950
CAGE: 17863 — LITTON SYSTEMS INC GUIDANCE AND CONTROL SYSTEMS DIV (USA)
SPECIFICATIONS
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
inclosure_typeOPEN
overall_length0.919 INCHES MAXIMUM IN
inductance_typeFIXED
mounting_methodTERMINAL SINGLE GROUP
frequency_rating200.0 KILOHERTZ MINIMUM AND 5.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
overall_diameter0.420 INCHES MAXIMUM IN
winding_quantity1 SINGLE COMPONENT
inductance_rating2.40 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp170.0 CELSIUS DEGC
winding_operating_current1.1 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE WINDING
NSN5950-01-416-8209
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 856437-1 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
INDUCTANCE TYPE: FIXED
•
INDUCTANCE RATING: 2.40 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
•
MAXIMUM OPERATING TEMP: 170.0 CELSIUS DEGC
•
INCLOSURE TYPE: OPEN
•
MOUNTING METHOD: TERMINAL SINGLE GROUP
•
DC RESISTANCE RATING IN OHMS: 0.480 SINGLE COMPONENT SINGLE WINDING
•
RELIABILITY INDICATOR: NOT ESTABLISHED
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)
OVERALL LENGTH0.919 INCHES MAXIMUM IN
INDUCTANCE TYPEFIXED
INDUCTANCE RATING2.40 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
MAXIMUM OPERATING TEMP170.0 CELSIUS DEGC
INCLOSURE TYPEOPEN
MOUNTING METHODTERMINAL SINGLE GROUP
DC RESISTANCE RATING IN OHMS0.480 SINGLE COMPONENT SINGLE WINDING
RELIABILITY INDICATORNOT ESTABLISHED
TERMINAL TYPE AND QUANTITY2 WIRE LEAD
SPECIFICATION/STANDARD DATA98571-856437 MANUFACTURERS SOURCE CONTROL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
15391Interchangeable
interchangeable cross-reference
interchangeable
B420Interchangeable
interchangeable cross-reference
interchangeable
40085Interchangeable
interchangeable cross-reference
interchangeable
717-003313Interchangeable
interchangeable cross-reference
interchangeable
5-8133Interchangeable
interchangeable cross-reference
interchangeable
28743-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 856437-1?
856437-1 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 856437-1?
There are 22 known substitutes for 856437-1: 15391, B420, 40085 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 856437-1?
856437-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-416-8209. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026