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Technical Data Sheet
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557-30-000 — 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,VARIABLE,CERAMIC DIELE. Key specifications include body_style: ROTARY, body_width: 0.531 INCHES NOMINAL IN, body_height: 0.234 INCHES NOMINAL IN, body_length: 0.750 INCHES NOMINAL IN, inclosure_type: ENCAPSULATED, terminal_type_and_quantity: 2 TAB, SOLDER LUG. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-666-9103, 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→ 557-30-000
NSN: 5910-00-666-9103
FSC: 5910
CAGE: 72982 — ERIE SPECIALTY PRODUCTS INC (USA)
SPECIFICATIONS
body_styleROTARY
body_width0.531 INCHES NOMINAL IN
body_height0.234 INCHES NOMINAL IN
body_length0.750 INCHES NOMINAL IN
inclosure_typeENCAPSULATED
terminal_type_and_quantity2 TAB, SOLDER LUG
capacitance_range_in_picofarads+5.0 TO 25.0 SINGLE SECTION
unthreaded_mounting_hole_diameter0.120 INCHES NOMINAL IN
nonderated_voltage_rating_and_type350.0 DC CONTINUOUS SINGLE SECTION
mounting_facility_type_and_quantity2 UNTHREADED HOLE(S)
adjustment_device_drive_type_and_quantity1 SLOTTED SCREW
temp_coefficient_of_capacitance_in_ppm_per_deg_celsius0.0 SINGLE SECTION
NSN5910-00-666-9103
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN 557-30-000 MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
•
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SLOTTED SCREW
•
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS: 0.0 SINGLE SECTION
•
BODY HEIGHT: 0.234 INCHES NOMINAL IN
•
BODY STYLE: ROTARY
•
BODY WIDTH: 0.531 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S)
•
TERMINAL TYPE AND QUANTITY: 2 TAB, SOLDER LUG
•
CAPACITANCE RANGE IN PICOFARADS: +5.0 TO 25.0 SINGLE SECTION
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)
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY1 SLOTTED SCREW
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS0.0 SINGLE SECTION
BODY HEIGHT0.234 INCHES NOMINAL IN
BODY STYLEROTARY
BODY WIDTH0.531 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S)
TERMINAL TYPE AND QUANTITY2 TAB, SOLDER LUG
CAPACITANCE RANGE IN PICOFARADS+5.0 TO 25.0 SINGLE SECTION
NONDERATED VOLTAGE RATING AND TYPE350.0 DC CONTINUOUS SINGLE SECTION
UNTHREADED MOUNTING HOLE DIAMETER0.120 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
281-011Interchangeable
interchangeable cross-reference
interchangeable
284-0175Interchangeable
interchangeable cross-reference
interchangeable
N2175PC45Interchangeable
interchangeable cross-reference
interchangeable
X215-4Interchangeable
interchangeable cross-reference
interchangeable
241-0331-00Interchangeable
interchangeable cross-reference
interchangeable
618-038-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 557-30-000?
557-30-000 is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 557-30-000?
There are 12 known substitutes for 557-30-000: 281-011, 284-0175, N2175PC45 and 9 more. Substitute compatibility should be verified for your specific system.
Is 557-30-000 still available?
557-30-000 is currently cancelled.
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Last verified: September 2026