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Technical Data Sheet
PartsTable / COMPONENT / 54121DM
54121DM ✓ 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 inclosure_configuration: DUAL-IN-LINE, design_function_and_quantity: 1 MULTIVIBRATOR, MONOSTABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-00-386-5121, 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
54121DM
NSN: 5962-00-386-5121
FSC: 5962
CAGE: 07263 — FAIRCHILD SEMICONDUCTOR CORP (USA)
SPECIFICATIONS
inclosure_configurationDUAL-IN-LINE
design_function_and_quantity1 MULTIVIBRATOR, MONOSTABLE
NSN5962-00-386-5121
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 54121DM MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
DESIGN FUNCTION AND QUANTITY: 1 MULTIVIBRATOR, MONOSTABLE
•
INCLOSURE CONFIGURATION: DUAL-IN-LINE
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN FUNCTION AND QUANTITY1 MULTIVIBRATOR, MONOSTABLE
INCLOSURE CONFIGURATIONDUAL-IN-LINE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
538712-1Interchangeable
interchangeable cross-reference
interchangeable
SNC54121JInterchangeable
interchangeable cross-reference
interchangeable
DM54121J/883Interchangeable
interchangeable cross-reference
interchangeable
RB54121FInterchangeable
interchangeable cross-reference
interchangeable
54121 DMQBInterchangeable
interchangeable cross-reference
interchangeable
DM54121/883BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54121DM?
54121DM is a MICROCIRCUIT,DIGITAL.
What parts can replace 54121DM?
There are 11 known substitutes for 54121DM: 538712-1, SNC54121J, DM54121J/883 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54121DM?
54121DM is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-00-386-5121. 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