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PartsTable / COMPONENT / JANTX2N4261UB
JANTX2N4261UB ✓ 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 semiconductor_material: GERMANIUM, end_item_identification: 1430-01-622-9674, part_name_assigned_by_controlling_agency: SEMICONDUCTOR DEVICE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-645-7683, 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
JANTX2N4261UB
NSN: 5961-01-645-7683
FSC: 5961
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
semiconductor_materialGERMANIUM
end_item_identification1430-01-622-9674
part_name_assigned_by_controlling_agencySEMICONDUCTOR DEVICE
NSN5961-01-645-7683
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 JANTX2N4261UB MFR OEM TRANSISTOR
KEY FEATURES
•
SEMICONDUCTOR MATERIAL: GERMANIUM
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION1430-01-622-9674
PART NAME ASSIGNED BY CONTROLLING AGENCYSEMICONDUCTOR DEVICE
SEMICONDUCTOR MATERIALGERMANIUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
MIL-PRF-19500/511Interchangeable
interchangeable cross-reference
interchangeable
JANTX2N4261Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-19500/511Interchangeable
interchangeable cross-reference
interchangeable
JANTXV2N4261Interchangeable
interchangeable cross-reference
interchangeable
13-1235508-1Interchangeable
interchangeable cross-reference
interchangeable
JANS2N4261Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JANTX2N4261UB?
JANTX2N4261UB is a TRANSISTOR.
What parts can replace JANTX2N4261UB?
There are 6 known substitutes for JANTX2N4261UB: MIL-PRF-19500/511, JANTX2N4261, MIL-S-19500/511 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JANTX2N4261UB?
JANTX2N4261UB is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-645-7683. 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