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U8251A ✓ 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

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include body_width: 0.535 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 1.445 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: PLASTIC, storage_temp_range: -65.0 TO 150.0 CELSIUS DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-092-9544, 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
U8251A
NSN: 5962-01-092-9544
FSC: 5962
CAGE: U0352 — DRS RUGGED SYSTEMS (EUROPE) LTD (GBR)
SPECIFICATIONS
body_width0.535 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length1.445 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN
features_providedASYNCHRONOUS AND MONOLITHIC AND POSITIVE OUTPUTS AND PROGRAMMABLE AND RESETTABLE AND SYNCHRONOUS AND W/DISABLE AND W/ENABLE
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialPLASTIC
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range+0.0 TO 70.0 CELSIUS DEGC
input_circuit_pattern12 INPUT
inclosure_configurationDUAL-IN-LINE
design_function_and_quantity1 RECEIVER, ASYNCHRONOUS AND 1 TRANSMITTER
maximum_power_dissipation_rating1.0 WATTS
NSN5962-01-092-9544
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN U8251A MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
BODY HEIGHT: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
•
STORAGE TEMP RANGE: -65.0 TO 150.0 CELSIUS DEGC
•
OPERATING TEMP RANGE: +0.0 TO 70.0 CELSIUS DEGC
•
FEATURES PROVIDED: ASYNCHRONOUS AND MONOLITHIC AND POSITIVE OUTPUTS AND PROGRAMMABLE AND RESETTABLE AND SYNCHRONOUS AND W/DISABLE AND W/ENABLE
•
INPUT CIRCUIT PATTERN: 12 INPUT
•
OUTPUT LOGIC FORM: TRANSISTOR-TRANSISTOR LOGIC
•
INCLOSURE CONFIGURATION: DUAL-IN-LINE
•
DESIGN FUNCTION AND QUANTITY: 1 RECEIVER, ASYNCHRONOUS AND 1 TRANSMITTER
TECHNICAL CHARACTERISTICS (FLIS)
BODY HEIGHT0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
STORAGE TEMP RANGE-65.0 TO 150.0 CELSIUS DEGC
OPERATING TEMP RANGE+0.0 TO 70.0 CELSIUS DEGC
FEATURES PROVIDEDASYNCHRONOUS AND MONOLITHIC AND POSITIVE OUTPUTS AND PROGRAMMABLE AND RESETTABLE AND SYNCHRONOUS AND W/DISABLE AND W/ENABLE
INPUT CIRCUIT PATTERN12 INPUT
OUTPUT LOGIC FORMTRANSISTOR-TRANSISTOR LOGIC
INCLOSURE CONFIGURATIONDUAL-IN-LINE
DESIGN FUNCTION AND QUANTITY1 RECEIVER, ASYNCHRONOUS AND 1 TRANSMITTER
INCLOSURE MATERIALPLASTIC
MAXIMUM POWER DISSIPATION RATING1.0 WATTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
4558Interchangeable
interchangeable cross-reference
interchangeable
320-0052-001Interchangeable
interchangeable cross-reference
interchangeable
SM-C-540579Interchangeable
interchangeable cross-reference
interchangeable
30B505Interchangeable
interchangeable cross-reference
interchangeable
INS8253NInterchangeable
interchangeable cross-reference
interchangeable
I35-0002-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U8251A?
U8251A is a MICROCIRCUIT,DIGITAL.
What parts can replace U8251A?
There are 16 known substitutes for U8251A: 4558, 320-0052-001, SM-C-540579 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U8251A?
U8251A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-092-9544. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026