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Technical Data Sheet
54S251FMQB ✓ 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: 0.245 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN, body_height: 0.045 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN, body_length: 0.440 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED AND MONOLITHIC AND SCHOTTKY AND 3-STATE OUTPUT, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, precious_material: GOLD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-111-3859, 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
54S251FMQB
NSN: 5962-01-111-3859
FSC: 5962
CAGE: 07263 — FAIRCHILD SEMICONDUCTOR CORP (USA)
SPECIFICATIONS
body_width0.245 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
body_height0.045 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
body_length0.440 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED AND MONOLITHIC AND SCHOTTKY AND 3-STATE OUTPUT
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
precious_materialGOLD
inclosure_materialCERAMIC
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern12 INPUT
inclosure_configurationFLAT PACK
design_function_and_quantity1 MULTIPLEXER AND 1 SELECTOR, DATA
NSN5962-01-111-3859
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 54S251FMQB MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
DESIGN FUNCTION AND QUANTITY: 1 MULTIPLEXER AND 1 SELECTOR, DATA
CASE OUTLINE SOURCE AND DESIGNATOR: F-5 MIL-M-38510
INCLOSURE MATERIAL: CERAMIC
OUTPUT LOGIC FORM: TRANSISTOR-TRANSISTOR LOGIC
INPUT CIRCUIT PATTERN: 12 INPUT
BODY LENGTH: 0.440 INCHES MAXIMUM IN
PRECIOUS MATERIAL: GOLD
BODY WIDTH: 0.245 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN FUNCTION AND QUANTITY1 MULTIPLEXER AND 1 SELECTOR, DATA
CASE OUTLINE SOURCE AND DESIGNATORF-5 MIL-M-38510
INCLOSURE MATERIALCERAMIC
OUTPUT LOGIC FORMTRANSISTOR-TRANSISTOR LOGIC
INPUT CIRCUIT PATTERN12 INPUT
BODY LENGTH0.440 INCHES MAXIMUM IN
PRECIOUS MATERIALGOLD
BODY WIDTH0.245 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
TEST DATA DOCUMENT05869-725004-143 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
STORAGE TEMP RANGE-65.0 TO 150.0 CELSIUS DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
8002201FAInterchangeable
interchangeable cross-reference
interchangeable
8002201FBInterchangeable
interchangeable cross-reference
interchangeable
54S251/BFAInterchangeable
interchangeable cross-reference
interchangeable
SN54S251WBInterchangeable
Same NIIN cross-reference
interchangeable
SNJ54S251WInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54S251FMQB?
54S251FMQB is a MICROCIRCUIT,DIGITAL.
What parts can replace 54S251FMQB?
There are 5 known substitutes for 54S251FMQB: 8002201FA, 8002201FB, 54S251/BFA and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54S251FMQB?
54S251FMQB is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-111-3859. This indicates validated use in U.S. government and defense supply chains.
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