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451D ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: SILICON SEMICONDUCTOR, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-225-9123, 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
451D
NSN: 5961-00-225-9123
FSC: 5961
CAGE: 05277 — WESTINGHOUSE ELECTRIC CORP SEMICONDUCTOR DIV (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
features_providedHERMETICALLY SEALED CASE
NSN5961-00-225-9123
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 451D MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
MATERIAL: SILICON SEMICONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDHERMETICALLY SEALED CASE
MATERIALSILICON SEMICONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
4126-2Interchangeable
interchangeable cross-reference
interchangeable
673-0249-000Interchangeable
interchangeable cross-reference
interchangeable
S-5934Interchangeable
interchangeable cross-reference
interchangeable
4913335-73Interchangeable
interchangeable cross-reference
interchangeable
D1015Interchangeable
interchangeable cross-reference
interchangeable
A27BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 451D?
451D is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 451D?
There are 8 known substitutes for 451D: 4126-2, 673-0249-000, S-5934 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 451D?
451D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-225-9123. 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