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U3I993351XB4 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

U3I993351XB4: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include features_provided: HERMETICALLY SEALED, inclosure_material: CERAMIC, operating_temp_range: -55.0 TO 125.0 CELSIUS DEGC, input_circuit_pattern: 4 INPUT, inclosure_configuration: FLAT PACK, design_function_and_quantity: 2 EXPANDER. This part is cataloged in the U.S.

Government catalog under NSN 5962-00-405-3147, 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
U3I993351XB4
NSN: 5962-00-405-3147
FSC: 5962 — Microcircuits, Electronic
CAGE: 07263 — FAIRCHILD SEMICONDUCTOR CORP (USA)
SPECIFICATIONS
features_providedHERMETICALLY SEALED
inclosure_materialCERAMIC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern4 INPUT
inclosure_configurationFLAT PACK
design_function_and_quantity2 EXPANDER
NSN5962-00-405-3147
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN U3I993351XB4 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
INPUT CIRCUIT PATTERN: 4 INPUT
•
INCLOSURE MATERIAL: CERAMIC
•
DESIGN FUNCTION AND QUANTITY: 2 EXPANDER
•
FEATURES PROVIDED: HERMETICALLY SEALED
•
INCLOSURE CONFIGURATION: FLAT PACK
•
OPERATING TEMP RANGE: -55.0 TO 125.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS
INPUT CIRCUIT PATTERN4 INPUT
INCLOSURE MATERIALCERAMIC
DESIGN FUNCTION AND QUANTITY2 EXPANDER
FEATURES PROVIDEDHERMETICALLY SEALED
INCLOSURE CONFIGURATIONFLAT PACK
OPERATING TEMP RANGE-55.0 TO 125.0 CELSIUS DEGC
OTHER ITEMS IN FSC 5962 — Microcircuits, Electronic
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5962-00-001-1861 5962-00-001-1901 5962-00-001-1902 5962-00-001-1905 5962-00-001-1906 5962-00-001-1907 5962-00-001-1908 5962-00-001-1909
SUBSTITUTES & CROSS-REFERENCES 2
905176-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
U31993351XB4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is U3I993351XB4?
U3I993351XB4 is a MICROCIRCUIT,DIGITAL.
What parts can replace U3I993351XB4?
There are 2 known substitutes for U3I993351XB4: 905176-2, U31993351XB4. Substitute compatibility should be verified for your specific system.
What is the NSN for U3I993351XB4?
U3I993351XB4 is cataloged in the U.S. Government catalog under NSN 5962-00-405-3147. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.