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C4391 — CAPACITOR,FIXED,MICA DIELECTRIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

C4391: CAPACITOR,FIXED,MICA DIELECTRIC.

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: PAPER OVERALL, body_width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, body_height: 0.680 INCHES NOMINAL IN, body_length: 0.660 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN, thread_class: 2A ALL THREADED STUD A, body_diameter: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-078-5305, 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
C4391
NSN: 5930-00-078-5305
NIINs: 000785305, 001474456, 004290680, 006086187, 008665876, 008944563
FSC: 5930 — Switches
CAGE: 81412 — TREADWELL CORPORATION (DELAWARE) DBA TREADWELL CORP (USA)
SPECIFICATIONS
materialPAPER OVERALL
body_width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
body_height0.680 INCHES NOMINAL IN
body_length0.660 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
thread_class2A ALL THREADED STUD A
body_diameter1.250 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
thread_length0.257 INCHES MAXIMUM ALL THREADED STUD IN
overall_height1.120 INCHES MAXIMUM IN
overall_length1.870 INCHES NOMINAL IN
mounting_methodBASE AND UNTHREADED HOLE(S)
outside_diameter2.109 INCHES NOMINAL IN
NSN5930-00-078-5305
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN C4391 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
BODY DIAMETER: 1.125 INCHES NOMINAL IN
•
CONTACT ACTION STIMULUS: INCREASE
•
TERMINAL TYPE: TAB, SOLDER LUG
•
MOUNTING FACILITY PATTERN: TWO POSITION IN-LINE
•
CONTACT LOAD CURRENT RATING: 4.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
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
BODY DIAMETER1.125 INCHES NOMINAL IN
OVERALL HEIGHT1.047 INCHES NOMINAL IN
CONTACT ACTION STIMULUSINCREASE
TERMINAL TYPETAB, SOLDER LUG
MOUNTING FACILITY PATTERNTWO POSITION IN-LINE
CONTACT LOAD CURRENT RATING4.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
CONTACT LOAD CURRENT RATING10.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
CONTACT LOAD CURRENT RATING2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
MOUNTING METHODBRACKET(S) AND UNTHREADED HOLE(S)
BODY HEIGHT0.688 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
C4391-6-35-T9AReference document
Same NSN cross-reference
Reference document — Secondary reference
C4391-6-35Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C4391?
C4391 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace C4391?
There are 2 known substitutes for C4391: C4391-6-35-T9A, C4391-6-35. Substitute compatibility should be verified for your specific system.
What is the NSN for C4391?
C4391 is cataloged in the U.S. Government catalog under NSN 5930-00-078-5305. This indicates validated use in U.S. government and defense supply chains.
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