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Technical Data Sheet
PartsTable / COMPONENT / L02121
L02121 ✓ 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: GLASS ENCLOSURE, overall_length: 0.180 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.984 INCHES MINIMUM IN, overall_diameter: 0.075 INCHES MAXIMUM IN, special_features: ITEM MUST COMPLY WITH RQMT OF DESC PRODUCTION STD NO. L02121 FOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-023-1690, 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
L02121
NSN: 5961-01-023-1690
FSC: 5961
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
materialGLASS ENCLOSURE
overall_length0.180 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.984 INCHES MINIMUM IN
overall_diameter0.075 INCHES MAXIMUM IN
special_featuresITEM MUST COMPLY WITH RQMT OF DESC PRODUCTION STD NO. L02121 FOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
criticality_code_justificationFEAT
current_rating_per_characteristic200.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
voltage_rating_in_volts_per_characteristic100.0 MAXIMUM REVERSE VOLTAGE, PEAK
maximum_operating_temp_per_measurement_point175.0 CELSIUS AMBIENT AIR DEGC
NSN5961-01-023-1690
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 L02121 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
MATERIAL: SILICON SEMICONDUCTOR
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS AMBIENT AIR DEGC
•
OVERALL DIAMETER: 0.075 INCHES MAXIMUM IN
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSILICON SEMICONDUCTOR
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
MATERIALGLASS ENCLOSURE
OVERALL LENGTH0.180 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS AMBIENT AIR DEGC
OVERALL DIAMETER0.075 INCHES MAXIMUM IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
SPECIAL FEATURESITEM MUST COMPLY WITH RQMT OF DESC PRODUCTION STD NO. L02121 FOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY
TERMINAL LENGTH0.984 INCHES MINIMUM IN
CRITICALITY CODE JUSTIFICATIONFEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
1081H08H26Interchangeable
interchangeable cross-reference
interchangeable
1081H15H17Interchangeable
interchangeable cross-reference
interchangeable
1N4148-1Interchangeable
interchangeable cross-reference
interchangeable
1N5233BInterchangeable
interchangeable cross-reference
interchangeable
RELEASE5566Interchangeable
interchangeable cross-reference
interchangeable
913007-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L02121?
L02121 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace L02121?
There are 18 known substitutes for L02121: 1081H08H26, 1081H15H17, 1N4148-1 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L02121?
L02121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-023-1690. 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