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Technical Data Sheet
21EAT350TS51 ✓ 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: ETCHED FOIL, body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, body_length: 1.758 INCHES NOMINAL IN, body_diameter: 1.008 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, electrical_polarization: POLARIZED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-351-6253, 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 21EAT350TS51
NSN: 5910-00-351-6253
FSC: 5910
CAGE: 99392 — MEPCO/ELECTRA INC ROXBORO DIV (USA)
SPECIFICATIONS
anode_typeETCHED FOIL
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length1.758 INCHES NOMINAL IN
body_diameter1.008 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_surface_treatmentSOLDER
terminal_type_and_quantity2 TAB, SOLDER LUG
tolerance_range_per_section-10.00 TO 50.00 PERCENT SINGLE SECTION
dc_leakage_at_reference_temp0.550 MILLIAMPERES
NSN5910-00-351-6253
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 21EAT350TS51 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
RELIABILITY INDICATOR: NOT ESTABLISHED
ANODE TYPE: ETCHED FOIL
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS: 3.51
DC LEAKAGE AT REFERENCE TEMP: 0.550 MILLIAMPERES
CAPACITIVE ELECTRODE MATERIAL: ALUMINUM
TERMINAL TYPE AND QUANTITY: 2 TAB, SOLDER LUG
TERMINAL SURFACE TREATMENT: SOLDER
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT: 17.0000
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)
RELIABILITY INDICATORNOT ESTABLISHED
ANODE TYPEETCHED FOIL
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS3.51
DC LEAKAGE AT REFERENCE TEMP0.550 MILLIAMPERES
CAPACITIVE ELECTRODE MATERIALALUMINUM
TERMINAL TYPE AND QUANTITY2 TAB, SOLDER LUG
TERMINAL SURFACE TREATMENTSOLDER
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT17.0000
CASE INSULATION MATERIALPLASTIC
BODY STYLEW/O MTG FACILITIES, TERMINAL(S) ON ONE END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
147497Interchangeable
interchangeable cross-reference
interchangeable
50042-12Interchangeable
interchangeable cross-reference
interchangeable
3161036Interchangeable
interchangeable cross-reference
interchangeable
110088Interchangeable
interchangeable cross-reference
interchangeable
SE1156323Interchangeable
interchangeable cross-reference
interchangeable
20700L63-329Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21EAT350TS51?
21EAT350TS51 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21EAT350TS51?
There are 9 known substitutes for 21EAT350TS51: 147497, 50042-12, 3161036 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21EAT350TS51?
21EAT350TS51 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-351-6253. This indicates validated use in U.S. government and defense supply chains.
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