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Technical Data Sheet
PartsTable / MRO / 91C50HA342
91C50HA342 ✓ 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 body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, body_length: 2.187 INCHES NOMINAL IN, body_diameter: 1.437 INCHES NOMINAL IN, terminal_length: 0.281 INCHES NOMINAL IN, terminal_diameter: 0.190 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-106-3871, 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→ 91C50HA342
NSN: 5910-01-106-3871
FSC: 5910
CAGE: 56699 — BC COMPONENTS (USA)
SPECIFICATIONS
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length2.187 INCHES NOMINAL IN
body_diameter1.437 INCHES NOMINAL IN
terminal_length0.281 INCHES NOMINAL IN
terminal_diameter0.190 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 THREADED HOLE
tolerance_range_per_section-10.00 TO 50.00 PERCENT SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
NSN5910-01-106-3871
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 91C50HA342 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
CAPACITANCE VALUE PER SECTION: 3400.000 MICROFARADS SINGLE SECTION
•
CASE INSULATION MATERIAL: PLASTIC
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
•
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS: 0.07
•
TOLERANCE RANGE PER SECTION: -10.00 TO 50.00 PERCENT SINGLE SECTION
•
TERMINAL LENGTH: 0.281 INCHES NOMINAL IN
•
CAPACITIVE ELECTRODE MATERIAL: ALUMINUM
•
TERMINAL DIAMETER: 0.190 INCHES NOMINAL IN
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)
CAPACITANCE VALUE PER SECTION3400.000 MICROFARADS SINGLE SECTION
CASE INSULATION MATERIALPLASTIC
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS0.07
TOLERANCE RANGE PER SECTION-10.00 TO 50.00 PERCENT SINGLE SECTION
TERMINAL LENGTH0.281 INCHES NOMINAL IN
CAPACITIVE ELECTRODE MATERIALALUMINUM
TERMINAL DIAMETER0.190 INCHES NOMINAL IN
ELECTRICAL POLARIZATIONPOLARIZED
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION50.0 DC SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
PC114622Interchangeable
interchangeable cross-reference
interchangeable
861749Interchangeable
interchangeable cross-reference
interchangeable
114622Interchangeable
interchangeable cross-reference
interchangeable
114622-8Interchangeable
interchangeable cross-reference
interchangeable
114622-2Interchangeable
interchangeable cross-reference
interchangeable
3110EC342U050Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91C50HA342?
91C50HA342 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 91C50HA342?
There are 6 known substitutes for 91C50HA342: PC114622, 861749, 114622 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91C50HA342?
91C50HA342 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-106-3871. 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