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Technical Data Sheet
PartsTable / COMPONENT / 126438-01
126438-01 ✓ 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 126438-01 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 5961-00-553-4820, 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
126438-01
NSN: 5961-00-553-4820
FSC: 5961
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
Part Number126438-01
NSN5961-00-553-4820
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 126438-01 MFR OEM 126438-01
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
SEMICONDUCTOR MATERIAL: SILICON
•
INTERNAL JUNCTION CONFIGURATION: NPN
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
INTERNAL CONFIGURATIONJUNCTION CONTACT
SEMICONDUCTOR MATERIALSILICON
INTERNAL JUNCTION CONFIGURATIONNPN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
9135121Interchangeable
interchangeable cross-reference
interchangeable
2N333Interchangeable
interchangeable cross-reference
interchangeable
9011477Interchangeable
interchangeable cross-reference
interchangeable
2N335Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-19500/37Interchangeable
interchangeable cross-reference
interchangeable
1261915-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 126438-01?
126438-01 is a 126438-01.
What parts can replace 126438-01?
There are 13 known substitutes for 126438-01: 9135121, 2N333, 9011477 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 126438-01?
126438-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-553-4820. 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