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PartsTable / COMPONENT / TM-558
TM-558 ✓ 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

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include color: BLACK, capacity: 60.000 MILLILITERS, diameter: 0.154 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, thickness: 0.050 INCHES NOMINAL IN, tube_type: RECTIFIER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-939-3969, 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
TM-558
NSN: 5950-00-939-3969
FSC: 5950
CAGE: 53854 — MAGNESPEC INC (USA)
SPECIFICATIONS
colorBLACK
capacity60.000 MILLILITERS
diameter0.154 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
thickness0.050 INCHES NOMINAL IN
tube_typeRECTIFIER
body_styleW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
body_width0.281 INCHES MAXIMUM IN
point_typeSPLIT
body_height0.828 INCHES MAXIMUM IN
body_length0.828 INCHES MAXIMUM IN
point_angle135.0 DEGREES NOMINAL
NSN5950-00-939-3969
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN TM-558 MFR CAPACITOR,FIXED,MICA D
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 19
533-030-007Interchangeable
interchangeable cross-reference
interchangeable
62B21705Interchangeable
interchangeable cross-reference
interchangeable
CM30E2840FInterchangeable
interchangeable cross-reference
interchangeable
25R820Interchangeable
interchangeable cross-reference
interchangeable
10319Interchangeable
interchangeable cross-reference
interchangeable
SM-B-157048Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TM-558?
TM-558 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace TM-558?
There are 19 known substitutes for TM-558: 533-030-007, 62B21705, CM30E2840F and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TM-558?
TM-558 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-939-3969. 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