PartsTable
Technical Data Sheet
PartsTable / MRO / 42938
42938 ✓ 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 material: STEEL OVERALL, body_width: 0.280 INCHES MAXIMUM IN, head_angle: 15.0 DEGREES NOMINAL, body_height: 0.185 INCHES NOMINAL IN, body_length: 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-731-1410, 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→ 42938
NSN: 5950-00-731-1410
FSC: 5950
CAGE: 22558 — COAST/ADVANCED CHIP MAGNETICS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width0.280 INCHES MAXIMUM IN
head_angle15.0 DEGREES NOMINAL
body_height0.185 INCHES NOMINAL IN
body_length0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_height4.625 INCHES MAXIMUM IN
overall_length184.0 MILLIMETERS MINIMUM AND 220.0 MILLIMETERS MAXIMUM MM
memory_capacityUNKNOWN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
style_designatorOFFSET
NSN5950-00-731-1410
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 42938 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
WINDING OPERATING VOLTAGE: 416.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
MOUNTING HOLE DIAMETER: 0.273 INCHES NOMINAL SINGLE GROUP IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
INPUT-OUTPUT PHASE RELATIONSHIP: THREE PHASE TO THREE PHASE SINGLE COMPONENT
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
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)
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING OPERATING VOLTAGE416.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
OVERALL HEIGHT4.625 INCHES MAXIMUM IN
WINDING OPERATING VOLTAGE250.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
MOUNTING HOLE DIAMETER0.273 INCHES NOMINAL SINGLE GROUP IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
INPUT-OUTPUT PHASE RELATIONSHIPTHREE PHASE TO THREE PHASE SINGLE COMPONENT
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
TERMINAL TYPE AND QUANTITY6 SOLDER STUD
MAXIMUM OPERATING TEMP65.0 CELSIUS DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
AS954Interchangeable
interchangeable cross-reference
interchangeable
AS955Interchangeable
interchangeable cross-reference
interchangeable
63-621Interchangeable
interchangeable cross-reference
interchangeable
42938Interchangeable
interchangeable cross-reference
interchangeable
ROM/PROM FAMILY 013Interchangeable
interchangeable cross-reference
interchangeable
S82S123F/883CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42938?
42938 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 42938?
There are 9 known substitutes for 42938: AS954, AS955, 63-621 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42938?
42938 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-731-1410. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026