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Technical Data Sheet
129-121-0157 ✓ 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,VARIABLE,CERAMIC DIELE. Key specifications include body_length: 0.560 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, inclosure_type: HERMETICALLY SEALED, inductance_type: FIXED, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, winding_quantity: 1 SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-954-2295, 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
129-121-0157
NSN: 5950-00-954-2295
FSC: 5950
CAGE: 88818 — KEARFOTT CORPORATION DIV GUIDANCE AND NAVIGATION DIVISION (USA)
SPECIFICATIONS
body_length0.560 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
inclosure_typeHERMETICALLY SEALED
inductance_typeFIXED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
winding_quantity1 SINGLE COMPONENT
inductance_rating1.78 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
body_outside_diameter1.070 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.138 INCHES NOMINAL SINGLE GROUP IN
winding_operating_current12.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
mounting_facility_quantity1 SINGLE GROUP
NSN5950-00-954-2295
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN 129-121-0157 MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
INDUCTANCE RATING: 1.78 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP
MOUNTING HOLE DIAMETER: 0.138 INCHES NOMINAL SINGLE GROUP IN
INCLOSURE TYPE: HERMETICALLY SEALED
MOUNTING FACILITY QUANTITY: 1 SINGLE GROUP
DC RESISTANCE RATING IN OHMS: 450.000 SINGLE COMPONENT SINGLE WINDING
RATING METHOD: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
WINDING OPERATING CURRENT: 12.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
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)
INDUCTANCE RATING1.78 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
MOUNTING METHODUNTHREADED HOLE(S) SINGLE GROUP
MOUNTING HOLE DIAMETER0.138 INCHES NOMINAL SINGLE GROUP IN
INCLOSURE TYPEHERMETICALLY SEALED
MOUNTING FACILITY QUANTITY1 SINGLE GROUP
DC RESISTANCE RATING IN OHMS450.000 SINGLE COMPONENT SINGLE WINDING
RATING METHODELECTRICAL SINGLE COMPONENT SINGLE WINDING
WINDING OPERATING CURRENT12.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
TERMINAL TYPE AND QUANTITY2 WIRE LEAD
BODY LENGTH0.560 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
554-03Interchangeable
interchangeable cross-reference
interchangeable
55463Interchangeable
interchangeable cross-reference
interchangeable
SD77596Interchangeable
interchangeable cross-reference
interchangeable
SNJ55463JGInterchangeable
interchangeable cross-reference
interchangeable
675-11013-1Interchangeable
interchangeable cross-reference
interchangeable
32604Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 129-121-0157?
129-121-0157 is a CAPACITOR,VARIABLE,CERAMIC DIELE.
What parts can replace 129-121-0157?
There are 9 known substitutes for 129-121-0157: 554-03, 55463, SD77596 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 129-121-0157?
129-121-0157 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-954-2295. This indicates validated use in U.S. government and defense supply chains.
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