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PartsTable / COMPONENT / RYN 121 205/4
RYN 121 205/4 ✓ 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 RYN 121 205/4 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 5961-00-071-1483, 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
RYN 121 205/4
NSN: 5961-00-071-1483
FSC: 5961
CAGE: S3092 — RHEINMETALL AIR DEFENCE AG (CHE)
SPECIFICATIONS
Part NumberRYN 121 205/4
NSN5961-00-071-1483
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 RYN 121 205/4 MFR OEM RYN 121 205/4
KEY FEATURES
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
SPECIFICATION/STANDARD DATA: 80131-2N918 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
SEMICONDUCTOR MATERIAL: SILICON
•
INTERNAL JUNCTION CONFIGURATION: NPN
•
TERMINAL TYPE AND QUANTITY: 4 UNINSULATED WIRE LEAD
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDHERMETICALLY SEALED CASE
INTERNAL CONFIGURATIONJUNCTION CONTACT
SPECIFICATION/STANDARD DATA80131-2N918 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SEMICONDUCTOR MATERIALSILICON
INTERNAL JUNCTION CONFIGURATIONNPN
TERMINAL TYPE AND QUANTITY4 UNINSULATED WIRE LEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
RS2754Interchangeable
interchangeable cross-reference
interchangeable
300-2285Interchangeable
interchangeable cross-reference
interchangeable
2N918Interchangeable
interchangeable cross-reference
interchangeable
207011P1Interchangeable
interchangeable cross-reference
interchangeable
145530-4Interchangeable
interchangeable cross-reference
interchangeable
PS101122Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RYN 121 205/4?
RYN 121 205/4 is a RYN 121 205/4.
What parts can replace RYN 121 205/4?
There are 18 known substitutes for RYN 121 205/4: RS2754, 300-2285, 2N918 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RYN 121 205/4?
RYN 121 205/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-071-1483. 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