PartsTable
Technical Data Sheet
SM66-18 ✓ 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/O MTG FACILITIES, AXIAL TERMINALS, body_length: 1.250 INCHES NOMINAL IN, body_diameter: 0.812 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED CASE, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-191-8563, 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 SM66-18
NSN: 5910-00-191-8563
FSC: 5910
CAGE: 01417 — GENERAL DYNAMICS LAND SYSTEMS INC. (USA)
SPECIFICATIONS
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length1.250 INCHES NOMINAL IN
body_diameter0.812 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
electrical_polarizationNONPOLARIZED
nonderated_operating_temp-20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
schematic_diagram_designatorELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
capacitance_value_per_section50.000 MICROFARADS SINGLE SECTION
nonderated_continuous_voltage_rating_and_type_per_section50.0 DC SINGLE SECTION
NSN5910-00-191-8563
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN SM66-18 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
BODY STYLE: W/O MTG FACILITIES, AXIAL TERMINALS
BODY DIAMETER: 0.812 INCHES NOMINAL IN
ELECTRICAL POLARIZATION: NONPOLARIZED
FEATURES PROVIDED: HERMETICALLY SEALED CASE
BODY LENGTH: 1.250 INCHES NOMINAL IN
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
CAPACITANCE VALUE PER SECTION: 50.000 MICROFARADS SINGLE SECTION
ANODE TYPE: PLAIN FOIL
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/O MTG FACILITIES, AXIAL TERMINALS
BODY DIAMETER0.812 INCHES NOMINAL IN
ELECTRICAL POLARIZATIONNONPOLARIZED
FEATURES PROVIDEDHERMETICALLY SEALED CASE
BODY LENGTH1.250 INCHES NOMINAL IN
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
CAPACITANCE VALUE PER SECTION50.000 MICROFARADS SINGLE SECTION
ANODE TYPEPLAIN FOIL
NONDERATED OPERATING TEMP-20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION50.0 DC SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
C146Interchangeable
interchangeable cross-reference
interchangeable
704 1-2Interchangeable
interchangeable cross-reference
interchangeable
P1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM66-18?
SM66-18 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace SM66-18?
There are 3 known substitutes for SM66-18: C146, 704 1-2, P1. Substitute compatibility should be verified for your specific system.
Is SM66-18 still available?
SM66-18 is currently cancelled.
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