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Technical Data Sheet
74LS251N ✓ 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: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.896 INCHES MAXIMUM IN, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: CERAMIC AND GLASS, 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 5962-01-030-7991, 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
74LS251N
NSN: 5962-01-030-7991
FSC: 5962
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.896 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED AND LOW POWER AND MONOLITHIC AND POSITIVE OUTPUTS AND COMPLEMENTARY OUTPUTS AND SCHOTTKY AND W/ENABLE AND W/STROBE AND 3-STATE OUTPUT
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC AND GLASS
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern12 INPUT
end_item_identificationDIGITAL DATA SET TYPE AN/FSQ-111 FSCM 81995
inclosure_configurationDUAL-IN-LINE
design_function_and_quantity1 MULTIPLEXER, EIGHT TO ONE LINE
NSN5962-01-030-7991
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 74LS251N MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
BODY HEIGHT: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
BODY WIDTH: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
INCLOSURE MATERIAL: CERAMIC AND GLASS
DESIGN FUNCTION AND QUANTITY: 1 MULTIPLEXER, EIGHT TO ONE LINE
INPUT CIRCUIT PATTERN: 12 INPUT
CASE OUTLINE SOURCE AND DESIGNATOR: D-2 MIL-M-38510
MAXIMUM POWER DISSIPATION RATING: 66.0 MILLIWATTS
TECHNICAL CHARACTERISTICS (FLIS)
BODY HEIGHT0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
BODY WIDTH0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
INCLOSURE MATERIALCERAMIC AND GLASS
DESIGN FUNCTION AND QUANTITY1 MULTIPLEXER, EIGHT TO ONE LINE
INPUT CIRCUIT PATTERN12 INPUT
CASE OUTLINE SOURCE AND DESIGNATORD-2 MIL-M-38510
MAXIMUM POWER DISSIPATION RATING66.0 MILLIWATTS
END ITEM IDENTIFICATIONDIGITAL DATA SET TYPE AN/FSQ-111 FSCM 81995
FEATURES PROVIDEDHERMETICALLY SEALED AND LOW POWER AND MONOLITHIC AND POSITIVE OUTPUTS AND COMPLEMENTARY OUTPUTS AND SCHOTTKY AND W/ENABLE AND W/STROBE AND 3-STATE OUTPUT
OUTPUT LOGIC FORMTRANSISTOR-TRANSISTOR LOGIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
74LS251JInterchangeable
interchangeable cross-reference
interchangeable
DM74LS251J/883CInterchangeable
interchangeable cross-reference
interchangeable
99000361-001Interchangeable
interchangeable cross-reference
interchangeable
3125-407577Interchangeable
interchangeable cross-reference
interchangeable
SN74LS251NInterchangeable
interchangeable cross-reference
interchangeable
N74LS251BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74LS251N?
74LS251N is a MICROCIRCUIT,DIGITAL.
What parts can replace 74LS251N?
There are 21 known substitutes for 74LS251N: 74LS251J, DM74LS251J/883C, 99000361-001 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74LS251N?
74LS251N is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-030-7991. This indicates validated use in U.S. government and defense supply chains.
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