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Technical Data Sheet
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FN4839 ✓ Verified by PartsTable
— · SFP TRANSCEIVER
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

The TRANSISTOR is a the manufacturer industrial component. Key specifications include overall_length: 0.150 INCHES MAXIMUM IN, mounting_method: TERMINAL, semiconductor_material: SILICON, end_item_identification: F-16 AIRCRAFT, terminal_type_and_quantity: 1 CASE AND 3 PIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-184-8887, 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
FN4839
NSN: 5961-01-184-8887
FSC: 5961
CAGE: 17856 — SILICONIX INCORPORATED DIV SILICONIX (USA)
SPECIFICATIONS
overall_length0.150 INCHES MAXIMUM IN
mounting_methodTERMINAL
semiconductor_materialSILICON
end_item_identificationF-16 AIRCRAFT
terminal_type_and_quantity1 CASE AND 3 PIN
NSN5961-01-184-8887
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN FN4839 MFR OEM TRANSISTOR
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 1 CASE AND 3 PIN
•
SEMICONDUCTOR MATERIAL: SILICON
•
MOUNTING METHOD: TERMINAL
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY1 CASE AND 3 PIN
SEMICONDUCTOR MATERIALSILICON
OVERALL LENGTH0.150 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
END ITEM IDENTIFICATIONF-16 AIRCRAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
4839Interchangeable
interchangeable cross-reference
interchangeable
V4832Interchangeable
interchangeable cross-reference
interchangeable
RRC00281Interchangeable
interchangeable cross-reference
interchangeable
1801382Interchangeable
interchangeable cross-reference
interchangeable
50353Interchangeable
interchangeable cross-reference
interchangeable
006996Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FN4839?
FN4839 is a TRANSISTOR.
What parts can replace FN4839?
There are 7 known substitutes for FN4839: 4839, V4832, RRC00281 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FN4839?
FN4839 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-184-8887. 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