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Technical Data Sheet
21806.3 ✓ 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 21806.3 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-544-3447, 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
21806.3
NSN: 5920-01-544-3447
FSC: 5920
CAGE: 75915 — LITTELFUSE, INC. (USA)
SPECIFICATIONS
Part Number21806.3
NSN5920-01-544-3447
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 21806.3 TITLE COMPONENT PN 21806.3 MFR 21806.3
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMDR
SPECIAL FEATURESFUSE, 6.3A 250VAC 5X20MM TIME LAG (SLO BLO) VAC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
JANFFS92Interchangeable
interchangeable cross-reference
interchangeable
0202-251032Interchangeable
interchangeable cross-reference
interchangeable
218063Interchangeable
interchangeable cross-reference
interchangeable
500575Interchangeable
interchangeable cross-reference
interchangeable
500573Interchangeable
interchangeable cross-reference
interchangeable
S506-6.3AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21806.3?
21806.3 is a 21806.3.
What parts can replace 21806.3?
There are 7 known substitutes for 21806.3: JANFFS92, 0202-251032, 218063 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21806.3?
21806.3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-544-3447. This indicates validated use in U.S. government and defense supply chains.
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