PartsTable
Technical Data Sheet
PartsTable / MRO / 305-1685
305-1685 ✓ 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/THD MTG HOLE(S)/STUD(S) TERMINAL(S) ON ONE SURFACE, body_width: 1.500 INCHES NOMINAL IN, body_height: 2.375 INCHES NOMINAL IN, body_length: 2.688 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED CASE, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-539-6019, 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→ 305-1685
NSN: 5910-00-539-6019
FSC: 5910
CAGE: 11530 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN INFORMATION SYSTEMS & GLOBAL SOLUTIONS (USA)
SPECIFICATIONS
body_styleW/THD MTG HOLE(S)/STUD(S) TERMINAL(S) ON ONE SURFACE
body_width1.500 INCHES NOMINAL IN
body_height2.375 INCHES NOMINAL IN
body_length2.688 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 80.0 CELSIUS MAXIMUM DEGC
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_section4.000 MICROFARADS SINGLE SECTION
mounting_facility_type_and_quantity2 THREADED MOUNTING STUDS
NSN5910-00-539-6019
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 305-1685 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
BODY STYLE: W/THD MTG HOLE(S)/STUD(S) TERMINAL(S) ON ONE SURFACE
•
CAPACITANCE VALUE PER SECTION: 4.000 MICROFARADS SINGLE SECTION
•
TOLERANCE RANGE PER SECTION: -10.00 TO 10.00 PERCENT SINGLE SECTION
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 400.0 DC SINGLE SECTION
•
BODY HEIGHT: 2.375 INCHES NOMINAL IN
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 1.750 INCHES NOMINAL IN
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 80.0 CELSIUS MAXIMUM DEGC
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 INDICATORNOT ESTABLISHED
BODY STYLEW/THD MTG HOLE(S)/STUD(S) TERMINAL(S) ON ONE SURFACE
CAPACITANCE VALUE PER SECTION4.000 MICROFARADS SINGLE SECTION
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION400.0 DC SINGLE SECTION
BODY HEIGHT2.375 INCHES NOMINAL IN
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH1.750 INCHES NOMINAL IN
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 80.0 CELSIUS MAXIMUM DEGC
FEATURES PROVIDEDHERMETICALLY SEALED CASE
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
716062-031Interchangeable
interchangeable cross-reference
interchangeable
28-15135A08Interchangeable
interchangeable cross-reference
interchangeable
105-737BInterchangeable
interchangeable cross-reference
interchangeable
20963Interchangeable
interchangeable cross-reference
interchangeable
DC20963Interchangeable
interchangeable cross-reference
interchangeable
659-002-9003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 305-1685?
305-1685 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 305-1685?
There are 10 known substitutes for 305-1685: 716062-031, 28-15135A08, 105-737B and 7 more. Substitute compatibility should be verified for your specific system.
Is 305-1685 still available?
305-1685 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