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Technical Data Sheet
PartsTable / MRO / 2B551-605A
2B551-605A ✓ 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, TERMINAL(S) ON ONE SURFACE, body_width: 1.750 INCHES NOMINAL IN, body_height: 4.000 INCHES NOMINAL IN, body_length: 3.750 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED CASE, reliability_indicator: NOT ESTABLISHED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-455-1400, 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→ 2B551-605A
NSN: 5910-00-455-1400
FSC: 5910
CAGE: 58364 — BYCAP INC (USA)
SPECIFICATIONS
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE SURFACE
body_width1.750 INCHES NOMINAL IN
body_height4.000 INCHES NOMINAL IN
body_length3.750 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 TAB, SOLDER LUG
tolerance_range_per_section-10.00 TO 10.00 PERCENT SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
capacitance_value_per_section6.000 MICROFARADS SINGLE SECTION
NSN5910-00-455-1400
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN 2B551-605A MFR CAPACITOR,FIXED,PLASTI
KEY FEATURES
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 500.0 AC-RMS SINGLE SECTION
•
BODY STYLE: W/O MTG FACILITIES, TERMINAL(S) ON ONE SURFACE
•
TERMINAL SURFACE TREATMENT: SOLDER
•
INSULATION RESISTANCE AT REFERENCE TEMP: 2000.0 MEGOHM-MICROFARADS
•
TERMINAL TYPE AND QUANTITY: 2 TAB, SOLDER LUG
•
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT: 1.0000
•
TEST DATA DOCUMENT: 18876-10676132 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
•
BODY LENGTH: 3.750 INCHES NOMINAL IN
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)
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION500.0 AC-RMS SINGLE SECTION
BODY STYLEW/O MTG FACILITIES, TERMINAL(S) ON ONE SURFACE
TERMINAL SURFACE TREATMENTSOLDER
INSULATION RESISTANCE AT REFERENCE TEMP2000.0 MEGOHM-MICROFARADS
TERMINAL TYPE AND QUANTITY2 TAB, SOLDER LUG
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT1.0000
TEST DATA DOCUMENT18876-10676132 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
BODY LENGTH3.750 INCHES NOMINAL IN
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
CX-20Interchangeable
interchangeable cross-reference
interchangeable
5M2156-003Interchangeable
interchangeable cross-reference
interchangeable
302-200Interchangeable
interchangeable cross-reference
interchangeable
ES1517AInterchangeable
interchangeable cross-reference
interchangeable
400-146Interchangeable
interchangeable cross-reference
interchangeable
1078-CS30-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2B551-605A?
2B551-605A is a CAPACITOR,FIXED,PLASTIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 2B551-605A?
There are 13 known substitutes for 2B551-605A: CX-20, 5M2156-003, 302-200 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2B551-605A?
2B551-605A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-455-1400. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026