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Technical Data Sheet
21683HEX ✓ 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, overall_width: 0.625 INCHES IN, overall_length: 1.625 INCHES IN, largest_diameter: 0.812 INCHES SINGLE END 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 5940-00-636-5015, 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
21683HEX
NSN: 5940-00-636-5015
FSC: 5940
CAGE: 74159 — PENN-UNION CORP DIV PENN-UNION CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
overall_width0.625 INCHES IN
overall_length1.625 INCHES IN
largest_diameter0.812 INCHES SINGLE END IN
basic_shape_styleMECHANICAL COMPRESSION
mounting_method_styleSTRAIGHT ONE HOLE
mounting_tongue_width0.625 INCHES IN
mounting_hole_diameter0.266 INCHES IN
mounting_facility_thickness0.219 INCHES IN
conductor_accommodation_typeBARREL SETSCREW W/HOLE SINGLE END
electrical_insulation_featureUNINSULATED
maximum_conductor_size_accommodated1 AWG
NSN5940-00-636-5015
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 21683HEX MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
MAXIMUM CONDUCTOR SIZE ACCOMMODATED: 1 AWG
MOUNTING HOLE DIAMETER: 0.266 INCHES IN
LARGEST DIAMETER: 0.812 INCHES SINGLE END IN
MOUNTING METHOD STYLE: STRAIGHT ONE HOLE
DISTANCE FROM MOUNTING HOLE CENTER TO MOUNTING END: 0.344 INCHES IN
CONDUCTOR ACCOMMODATION TYPE: BARREL SETSCREW W/HOLE SINGLE END
MOUNTING TONGUE WIDTH: 0.625 INCHES IN
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)
MAXIMUM CONDUCTOR SIZE ACCOMMODATED1 AWG
OVERALL LENGTH1.625 INCHES IN
MOUNTING HOLE DIAMETER0.266 INCHES IN
LARGEST DIAMETER0.812 INCHES SINGLE END IN
MOUNTING METHOD STYLESTRAIGHT ONE HOLE
DISTANCE FROM MOUNTING HOLE CENTER TO MOUNTING END0.344 INCHES IN
CONDUCTOR ACCOMMODATION TYPEBARREL SETSCREW W/HOLE SINGLE END
MOUNTING TONGUE WIDTH0.625 INCHES IN
ELECTRICAL INSULATION FEATUREUNINSULATED
BASIC SHAPE STYLEMECHANICAL COMPRESSION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
31-007Interchangeable
interchangeable cross-reference
interchangeable
0N232707Interchangeable
interchangeable cross-reference
interchangeable
MTP475M035P1DInterchangeable
interchangeable cross-reference
interchangeable
77035X1MILL3545Interchangeable
interchangeable cross-reference
interchangeable
35KDDANG15Interchangeable
interchangeable cross-reference
interchangeable
P700000601Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21683HEX?
21683HEX is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 21683HEX?
There are 13 known substitutes for 21683HEX: 31-007, 0N232707, MTP475M035P1D and 10 more. Substitute compatibility should be verified for your specific system.
Is 21683HEX still available?
21683HEX is currently cancelled.
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