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Technical Data Sheet
PartsTable / MRO / 312A151
312A151 ✓ 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,PAPER DIELECTRIC. Key specifications include body_style: W/MTG BRACKET, TERMINAL(S) ON ONE END, body_length: 1.531 INCHES NOMINAL IN, body_diameter: 0.750 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED CASE, reliability_indicator: NOT ESTABLISHED, nonderated_operating_temp: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-583-0832, 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→ 312A151
NSN: 5910-00-583-0832
FSC: 5910
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
body_styleW/MTG BRACKET, TERMINAL(S) ON ONE END
body_length1.531 INCHES NOMINAL IN
body_diameter0.750 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity1 THREADED HOLE
tolerance_range_per_section-10.00 TO 50.00 PERCENT SINGLE SECTION
schematic_diagram_designatorELECTRODE(S) GROUNDED TO CASE
capacitance_value_per_section0.250 MICROFARADS SINGLE SECTION
unthreaded_mounting_hole_diameter0.281 INCHES NOMINAL IN
mounting_facility_type_and_quantity1 UNTHREADED MOUNTING HOLES
NSN5910-00-583-0832
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 312A151 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 100.0 DC SINGLE SECTION
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.281 INCHES NOMINAL IN
•
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP: 15.0 MEGOHM-MICROFARADS
•
TOLERANCE RANGE PER SECTION: -10.00 TO 50.00 PERCENT SINGLE SECTION
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 UNTHREADED MOUNTING HOLES
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
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 OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION100.0 DC SINGLE SECTION
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL IN
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP15.0 MEGOHM-MICROFARADS
TOLERANCE RANGE PER SECTION-10.00 TO 50.00 PERCENT SINGLE SECTION
MOUNTING FACILITY TYPE AND QUANTITY1 UNTHREADED MOUNTING HOLES
FEATURES PROVIDEDHERMETICALLY SEALED CASE
CAPACITANCE VALUE PER SECTION0.250 MICROFARADS SINGLE SECTION
BODY DIAMETER0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
226MAD1Interchangeable
interchangeable cross-reference
interchangeable
312A150Interchangeable
interchangeable cross-reference
interchangeable
12CW260BInterchangeable
interchangeable cross-reference
interchangeable
25704-281600-17-0Interchangeable
interchangeable cross-reference
interchangeable
312A28Interchangeable
interchangeable cross-reference
interchangeable
502031Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 312A151?
312A151 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 312A151?
There are 29 known substitutes for 312A151: 226MAD1, 312A150, 12CW260B and 26 more. Substitute compatibility should be verified for your specific system.
Is 312A151 still available?
312A151 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026