PartsTable
Technical Data Sheet
MU668 ✓ 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 MU668 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 5961-00-103-7410, 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
MU668
NSN: 5961-00-103-7410
FSC: 5961
CAGE: 17856 — SILICONIX INCORPORATED DIV SILICONIX (USA)
SPECIFICATIONS
Part NumberMU668
NSN5961-00-103-7410
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 MU668 MFR OEM MU668
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
M103Interchangeable
interchangeable cross-reference
interchangeable
135-1219-3Interchangeable
interchangeable cross-reference
interchangeable
66704Interchangeable
interchangeable cross-reference
interchangeable
M3Interchangeable
interchangeable cross-reference
interchangeable
A-A-558Interchangeable
interchangeable cross-reference
interchangeable
SYA003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MU668?
MU668 is a MU668.
What parts can replace MU668?
There are 17 known substitutes for MU668: M103, 135-1219-3, 66704 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MU668?
MU668 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-103-7410. This indicates validated use in U.S. government and defense supply chains.
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