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Technical Data Sheet
PartsTable / MRO / MIL-C-19978-16
MIL-C-19978-16 ✓ 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,PLASTIC DIELECTR. Key specifications include body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN, body_diameter: 0.307 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN, terminal_length: 1.625 INCHES NOMINAL IN, special_features: TERMINAL SURFACE TREATMENT,40 TO 70 PCT TIN CONTENT, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-067-8143, 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→ MIL-C-19978-16
NSN: 5910-00-067-8143
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
body_diameter0.307 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
terminal_length1.625 INCHES NOMINAL IN
special_featuresTERMINAL SURFACE TREATMENT,40 TO 70 PCT TIN CONTENT
features_providedHERMETICALLY SEALED CASE
terminal_diameter0.025 INCHES NOMINAL IN
dielectric_materialPAPER AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
reliability_indicatorESTABLISHED
case_insulation_materialPLASTIC
nonderated_operating_temp-65.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
NSN5910-00-067-8143
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN MIL-C-19978-16 MFR CAPACITOR,FIXED,PLASTI
KEY FEATURES
•
BODY LENGTH: 1.188 INCHES NOMINAL IN
•
INTERNAL ELECTRICAL CONNECTION TYPE: EXTENDED FOIL
•
TERMINAL LENGTH: 1.625 INCHES MINIMUM IN
•
RELIABILITY INDICATOR: ESTABLISHED
•
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP: 20.0 MEGOHM-MICROFARADS
•
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT: 1.0000
•
DIELECTRIC MATERIAL: PAPER AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
•
INSULATION RESISTANCE AT REFERENCE TEMP: 25000.0 MEGOHMS
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)
BODY LENGTH1.188 INCHES NOMINAL IN
INTERNAL ELECTRICAL CONNECTION TYPEEXTENDED FOIL
TERMINAL LENGTH1.625 INCHES MINIMUM IN
RELIABILITY INDICATORESTABLISHED
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP20.0 MEGOHM-MICROFARADS
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT1.0000
DIELECTRIC MATERIALPAPER AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
INSULATION RESISTANCE AT REFERENCE TEMP25000.0 MEGOHMS
TERMINAL SURFACE TREATMENTSOLDER
CASE INSULATION MATERIALPLASTIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
606BANDBRIGHTZINCPLATEDInterchangeable
interchangeable cross-reference
interchangeable
23308Interchangeable
interchangeable cross-reference
interchangeable
15471-4Interchangeable
interchangeable cross-reference
interchangeable
300401Interchangeable
interchangeable cross-reference
interchangeable
507150-3Interchangeable
interchangeable cross-reference
interchangeable
12878NPC38Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-C-19978-16?
MIL-C-19978-16 is a CAPACITOR,FIXED,PLASTIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace MIL-C-19978-16?
There are 11 known substitutes for MIL-C-19978-16: 606BANDBRIGHTZINCPLATED, 23308, 15471-4 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-C-19978-16?
MIL-C-19978-16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-067-8143. 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