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Technical Data Sheet
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669948 ✓ 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,FIXED,MICA DIELECTRIC. Key specifications include body_width: 1.812 INCHES NOMINAL IN, body_height: 3.125 INCHES NOMINAL IN, body_length: 2.125 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 380.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-518-0697, 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
669948
NSN: 5950-00-518-0697
FSC: 5950
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
body_width1.812 INCHES NOMINAL IN
body_height3.125 INCHES NOMINAL IN
body_length2.125 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating380.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
winding_operating_current6.3 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
NSN5950-00-518-0697
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN 669948 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
•
THREAD QUANTITY PER INCH: 32 SINGLE GROUP
•
BODY WIDTH: 1.812 INCHES NOMINAL IN
•
WINDING OPERATING CURRENT: 6.3 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP 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)
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
THREAD QUANTITY PER INCH32 SINGLE GROUP
BODY WIDTH1.812 INCHES NOMINAL IN
WINDING OPERATING CURRENT6.3 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
RELIABILITY INDICATORNOT ESTABLISHED
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY HEIGHT3.125 INCHES NOMINAL IN
WINDING SHIELDING METHODINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
43419Interchangeable
interchangeable cross-reference
interchangeable
634592Interchangeable
interchangeable cross-reference
interchangeable
DD5833Interchangeable
interchangeable cross-reference
interchangeable
5833Interchangeable
interchangeable cross-reference
interchangeable
14U1463PCDD5833Interchangeable
interchangeable cross-reference
interchangeable
BACB10A659AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 669948?
669948 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace 669948?
There are 16 known substitutes for 669948: 43419, 634592, DD5833 and 13 more. Substitute compatibility should be verified for your specific system.
Is 669948 still available?
669948 is currently cancelled.
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Last verified: July 2026