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Technical Data Sheet
PartsTable / COMPONENT / 2N4125
2N4125 ✓ 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 2N4125 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 5961-00-269-2242, 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
2N4125
NSN: 5961-00-269-2242
FSC: 5961
CAGE: C7191 — ADELCO ELEKTRONIK GMBH (DEU)
SPECIFICATIONS
Part Number2N4125
NSN5961-00-269-2242
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 2N4125 MFR OEM 2N4125
KEY FEATURES
•
MOUNTING METHOD: TERMINAL
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
•
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
•
POWER RATING PER CHARACTERISTIC: 1.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
•
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: TO-92
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODTERMINAL
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: PNP
INTERNAL CONFIGURATIONJUNCTION CONTACT
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
TERMINAL LENGTH0.500 INCHES MINIMUM IN
POWER RATING PER CHARACTERISTIC1.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
OVERALL LENGTH0.205 INCHES MAXIMUM IN
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONTO-92
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT150.0 CELSIUS JUNCTION DEGC
OVERALL WIDTH0.165 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
94150-2Interchangeable
interchangeable cross-reference
interchangeable
257-102Interchangeable
interchangeable cross-reference
interchangeable
Q71253-1Interchangeable
interchangeable cross-reference
interchangeable
RELEASE5306Interchangeable
interchangeable cross-reference
interchangeable
915617Interchangeable
interchangeable cross-reference
interchangeable
2N4124Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N4125?
2N4125 is a 2N4125.
What parts can replace 2N4125?
There are 17 known substitutes for 2N4125: 94150-2, 257-102, Q71253-1 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N4125?
2N4125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-269-2242. 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