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Technical Data Sheet
640463 ✓ 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include body_style: W/MTG TABS/FLANGES TERMINAL(S) ON ONE SURFACE, body_width: 2.000 INCHES NOMINAL IN, body_height: 1.250 INCHES NOMINAL IN, body_length: 2.000 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 2840-00-116-1343, 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 640463
NSN: 2840-00-116-1343
FSC: 2840
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
body_styleW/MTG TABS/FLANGES TERMINAL(S) ON ONE SURFACE
body_width2.000 INCHES NOMINAL IN
body_height1.250 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 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 10.00 PERCENT SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
capacitance_value_per_section2.000 MICROFARADS SINGLE SECTION
NSN2840-00-116-1343
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 640463 MFR CAPACITOR,FIXED,PAPER
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
51921-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-25/4Interchangeable
interchangeable cross-reference
interchangeable
640463Interchangeable
interchangeable cross-reference
interchangeable
MILC25C3-4C1CP55B1EFInterchangeable
interchangeable cross-reference
interchangeable
A144Interchangeable
interchangeable cross-reference
interchangeable
601397Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 640463?
640463 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 640463?
There are 7 known substitutes for 640463: 51921-1, MIL-C-25/4, 640463 and 4 more. Substitute compatibility should be verified for your specific system.
Is 640463 still available?
640463 is currently cancelled.
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