PartsTable
Technical Data Sheet
PartsTable / MRO / BS81
BS81 ✓ 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 anode_type: PLAIN FOIL, body_style: W/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE, body_width: 1.750 INCHES NOMINAL IN, body_height: 1.000 INCHES NOMINAL IN, body_length: 2.000 INCHES NOMINAL IN, features_provided: MOUNTING HARDWARE AND HERMETICALLY SEALED CASE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-191-0726, 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→ BS81
NSN: 5910-00-191-0726
FSC: 5910
CAGE: 37942 — YOSEMITE INVESTMENT INC DBA NORTH AMERICAN CAPACITOR CO (USA)
SPECIFICATIONS
anode_typePLAIN FOIL
body_styleW/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE
body_width1.750 INCHES NOMINAL IN
body_height1.000 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
features_providedMOUNTING HARDWARE AND HERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
electrical_polarizationNONPOLARIZED
nonderated_operating_temp-40.0 CELSIUS MINIMUM AND 185.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 TAB, SOLDER LUG
dc_leakage_at_reference_temp80.000 MICROAMPERES
NSN5910-00-191-0726
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN BS81 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
BODY STYLE: W/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 500.0 DC SINGLE SECTION
•
ELECTRICAL POLARIZATION: NONPOLARIZED
•
CAPACITANCE VALUE PER SECTION: 8.000 MICROFARADS SINGLE SECTION
•
BODY WIDTH: 1.750 INCHES NOMINAL IN
•
ANODE TYPE: PLAIN FOIL
•
FEATURES PROVIDED: MOUNTING HARDWARE AND HERMETICALLY SEALED CASE
•
IMPEDANCE AT MINIMUM OPERATING TEMP IN OHMS: 3200.0
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)
BODY STYLEW/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION500.0 DC SINGLE SECTION
ELECTRICAL POLARIZATIONNONPOLARIZED
CAPACITANCE VALUE PER SECTION8.000 MICROFARADS SINGLE SECTION
BODY WIDTH1.750 INCHES NOMINAL IN
ANODE TYPEPLAIN FOIL
FEATURES PROVIDEDMOUNTING HARDWARE AND HERMETICALLY SEALED CASE
IMPEDANCE AT MINIMUM OPERATING TEMP IN OHMS3200.0
BODY HEIGHT1.000 INCHES NOMINAL IN
NONDERATED OPERATING TEMP-40.0 CELSIUS MINIMUM AND 185.0 CELSIUS MAXIMUM DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
3375Interchangeable
interchangeable cross-reference
interchangeable
MA4-810BISSUE2PCInterchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
N458Interchangeable
interchangeable cross-reference
interchangeable
V-1628 STDInterchangeable
interchangeable cross-reference
interchangeable
S-2054Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BS81?
BS81 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace BS81?
There are 12 known substitutes for BS81: 3375, MA4-810BISSUE2PC, 00044 and 9 more. Substitute compatibility should be verified for your specific system.
Is BS81 still available?
BS81 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026