STD1639-9 — CAPACITOR,FIXED,MICA DIELECTRIC

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

STD1639-9: CAPACITOR,FIXED,MICA DIELECTRIC.

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include body_style: BUTTON TYPE, W/THD MTG HOLE/STUD, body_length: 0.250 INCHES NOMINAL IN, body_diameter: 0.875 INCHES NOMINAL IN, nominal_thread_size: 0.099 INCHES IN, reliability_indicator: NOT ESTABLISHED, nonderated_operating_temp: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-101-9668, 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→ STD1639-9

NSN: 5910-00-101-9668
FSC: 5910 — Capacitors
CAGE: K5294 — GE AVIATION SYSTEMS LTD (GBR)

SPECIFICATIONS

body_style	BUTTON TYPE, W/THD MTG HOLE/STUD
body_length	0.250 INCHES NOMINAL IN
body_diameter	0.875 INCHES NOMINAL IN
nominal_thread_size	0.099 INCHES IN
reliability_indicator	NOT ESTABLISHED
nonderated_operating_temp	-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity	2 TAB, SOLDER LUG
tolerance_range_per_section	-20.00 TO 20.00 PERCENT SINGLE SECTION
schematic_diagram_designator	NO COMMON OR GROUNDED ELECTRODE(S)
capacitance_value_per_section	100.000 PICOFARADS SINGLE SECTION
mounting_facility_type_and_quantity	1 THREADED MOUNTING STUDS
mounting_facility_screw_thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5910-00-101-9668

COMPONENT DIAGRAM

KEY FEATURES

•

BODY DIAMETER: 0.875 INCHES NOMINAL IN

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED MOUNTING STUDS

•

BODY STYLE: BUTTON TYPE, W/THD MTG HOLE/STUD

•

TOLERANCE RANGE PER SECTION: -20.00 TO 20.00 PERCENT SINGLE SECTION

•

NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC

•

MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)

•

NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 25.0 DC SINGLE SECTION

•

SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)

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 DIAMETER	0.875 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED MOUNTING STUDS
BODY STYLE	BUTTON TYPE, W/THD MTG HOLE/STUD
TOLERANCE RANGE PER SECTION	-20.00 TO 20.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP	-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION	25.0 DC SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATOR	NO COMMON OR GROUNDED ELECTRODE(S)
NOMINAL THREAD SIZE	0.099 INCHES IN
BODY LENGTH	0.250 INCHES NOMINAL IN

OTHER ITEMS IN FSC 5910 — Capacitors

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5910-00-000-1038 5910-00-000-1049 5910-00-000-1080 5910-00-000-6838 5910-00-001-1913 5910-00-001-2576 5910-00-001-2577 5910-00-001-2578

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is STD1639-9?

STD1639-9 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).

What is the NSN for STD1639-9?

STD1639-9 is cataloged in the U.S. Government catalog under NSN 5910-00-101-9668. This indicates validated use in U.S. government and defense supply chains.

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STD1639-9 — CAPACITOR,FIXED,MICA DIELECTRIC

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