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Technical Data Sheet
VL-21687 ✓ Verified by PartsTable
· COMPONENT
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 material: COPPER ALLOY OVERALL, largest_width: 0.750 INCHES SINGLE END IN, overall_width: 1.000 INCHES IN, overall_length: 2.625 INCHES IN, basic_shape_style: MECHANICAL COMPRESSION, mounting_method_style: STRAIGHT ONE HOLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-429-7291, 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
VL-21687
NSN: 5940-00-429-7291
FSC: 5940
CAGE: 74159 — PENN-UNION CORP DIV PENN-UNION CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
largest_width0.750 INCHES SINGLE END IN
overall_width1.000 INCHES IN
overall_length2.625 INCHES IN
basic_shape_styleMECHANICAL COMPRESSION
mounting_method_styleSTRAIGHT ONE HOLE
mounting_tongue_width1.000 INCHES IN
mounting_hole_diameter0.391 INCHES IN
mounting_facility_thickness0.281 INCHES IN
conductor_accommodation_typeSINGLE SETSCREW SINGLE END
electrical_insulation_featureUNINSULATED
maximum_conductor_size_accommodated0000 AWG
NSN5940-00-429-7291
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN VL-21687 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
DISTANCE FROM MOUNTING HOLE CENTER TO MOUNTING END: 0.531 INCHES IN
MATERIAL: COPPER ALLOY OVERALL
MOUNTING HOLE DIAMETER: 0.391 INCHES IN
MOUNTING FACILITY THICKNESS: 0.281 INCHES IN
MOUNTING METHOD STYLE: STRAIGHT ONE HOLE
ELECTRICAL INSULATION FEATURE: UNINSULATED
CONDUCTOR ACCOMMODATION TYPE: SINGLE SETSCREW SINGLE END
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)
OVERALL LENGTH2.625 INCHES IN
DISTANCE FROM MOUNTING HOLE CENTER TO MOUNTING END0.531 INCHES IN
MATERIALCOPPER ALLOY OVERALL
MOUNTING HOLE DIAMETER0.391 INCHES IN
MOUNTING FACILITY THICKNESS0.281 INCHES IN
MOUNTING METHOD STYLESTRAIGHT ONE HOLE
ELECTRICAL INSULATION FEATUREUNINSULATED
CONDUCTOR ACCOMMODATION TYPESINGLE SETSCREW SINGLE END
LARGEST WIDTH0.750 INCHES SINGLE END IN
MOUNTING TONGUE WIDTH1.000 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
31-011Interchangeable
interchangeable cross-reference
interchangeable
441-1031-011Interchangeable
interchangeable cross-reference
interchangeable
TAM11AInterchangeable
interchangeable cross-reference
interchangeable
UG262UInterchangeable
interchangeable cross-reference
interchangeable
13787Interchangeable
interchangeable cross-reference
interchangeable
7480736-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is VL-21687?
VL-21687 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace VL-21687?
There are 25 known substitutes for VL-21687: 31-011, 441-1031-011, TAM11A and 22 more. Substitute compatibility should be verified for your specific system.
Is VL-21687 still available?
VL-21687 is currently cancelled.
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