MIL-C-55681/7 — Technical Data Sheet

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— · 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,CERAMIC DIELECTR. Key specifications include material: CERAMIC CASE, body_style: CHIP TYPE, body_width: 1.250 INCHES NOMINAL IN, body_height: 1.300 INCHES NOMINAL IN, body_length: 2.000 INCHES NOMINAL IN, terminal_length: 0.500 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-284-8396, 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-55681/7

NSN: 5910-01-284-8396
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	CERAMIC CASE
body_style	CHIP TYPE
body_width	1.250 INCHES NOMINAL IN
body_height	1.300 INCHES NOMINAL IN
body_length	2.000 INCHES NOMINAL IN
terminal_length	0.500 INCHES MINIMUM IN
special_features	TERMINATION FINISH IS BASE METALLIZATION-BARRIER METAL-SOLDER COATED MIN THICK TO 60 MICRO-INCHES (TIN/LEAD ALLOY)
reliability_indicator	ESTABLISHED
special_test_features	S81349-MIL-C-55681/7
end_item_identification	2925-01-479-3745,2925-01-496-1068
nonderated_operating_temp	-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatment	SOLDER
NSN	5910-01-284-8396

COMPONENT DIAGRAM

KEY FEATURES

•

RELIABILITY INDICATOR: ESTABLISHED

•

TERMINAL SURFACE TREATMENT: SOLDER

•

MATERIAL: CERAMIC CASE

•

TEST DATA DOCUMENT: 81349-MIL-C-55681 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).

•

INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP: 10000.0 MEGOHMS

•

NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC

•

TOLERANCE RANGE PER SECTION: -10.00 TO 10.00 PERCENT SINGLE SECTION

•

SPECIFICATION/STANDARD DATA: 81349-MIL-C-55681/7 GOVERNMENT SPECIFICATION

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)

RELIABILITY INDICATOR	ESTABLISHED
TERMINAL SURFACE TREATMENT	SOLDER
MATERIAL	CERAMIC CASE
TEST DATA DOCUMENT	81349-MIL-C-55681 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP	10000.0 MEGOHMS
NONDERATED OPERATING TEMP	-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
TOLERANCE RANGE PER SECTION	-10.00 TO 10.00 PERCENT SINGLE SECTION
SPECIFICATION/STANDARD DATA	81349-MIL-C-55681/7 GOVERNMENT SPECIFICATION
VOLTAGE TEMP LIMITS PER SECTION IN PERCENT CAPACITANCE CHANGE	-25.0 TO 15.0 WITH RATED VOLTAGE APPLIED SINGLE SECTION
BODY WIDTH	1.0 MILLIMETERS MINIMUM AND 1.4 MILLIMETERS MAXIMUM MM

VERIFIED SUBSTITUTES & CROSS-REFERENCES 7

55-0436-3341AASame_fsc

same_fsc cross-reference

same_fsc

VCJ1690Same_fsc

same_fsc cross-reference

same_fsc

1716257-2Same_fsc

same_fsc cross-reference

same_fsc

1716257-1Same_fsc

same_fsc cross-reference

same_fsc

VCJ1689BSame_fsc

same_fsc cross-reference

same_fsc

MIL-PRF-55681/7Interchangeable

Same NIIN cross-reference

interchangeable

LIFECYCLE

StatusACTIVE

AvailabilityOEM and secondary market

RoHS CompliantEAR99Not HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is MIL-C-55681/7?

MIL-C-55681/7 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).

What parts can replace MIL-C-55681/7?

There are 7 known substitutes for MIL-C-55681/7: 55-0436-3341AA, VCJ1690, 1716257-2 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MIL-C-55681/7?

MIL-C-55681/7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-284-8396. This indicates validated use in U.S. government and defense supply chains.

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