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Technical Data Sheet
PartsTable / COMPONENT / 4066DMQB
4066DMQB ✓ 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 design_function_and_quantity: 4 SWITCH, BILATERAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-154-2906, 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
4066DMQB
NSN: 5962-01-154-2906
FSC: 5962
CAGE: 07263 — FAIRCHILD SEMICONDUCTOR CORP (USA)
SPECIFICATIONS
design_function_and_quantity4 SWITCH, BILATERAL
NSN5962-01-154-2906
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 4066DMQB MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
DESIGN FUNCTION AND QUANTITY: 4 SWITCH, BILATERAL
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN FUNCTION AND QUANTITY4 SWITCH, BILATERAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
MS35238-41Interchangeable
interchangeable cross-reference
interchangeable
420059Interchangeable
interchangeable cross-reference
interchangeable
42005-49Interchangeable
interchangeable cross-reference
interchangeable
42005-39Interchangeable
interchangeable cross-reference
interchangeable
DM7402NInterchangeable
interchangeable cross-reference
interchangeable
703SN7402NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4066DMQB?
4066DMQB is a MICROCIRCUIT,DIGITAL.
What parts can replace 4066DMQB?
There are 20 known substitutes for 4066DMQB: MS35238-41, 420059, 42005-49 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4066DMQB?
4066DMQB is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-154-2906. 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