PartsTable
Technical Data Sheet
JANTX2N4857 ✓ 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 overall_length: 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, precious_material: GOLD, internal_configuration: FIELD EFFECT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-517-9416, 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
JANTX2N4857
NSN: 5961-00-517-9416
FSC: 5961
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
overall_length0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
precious_materialGOLD
internal_configurationFIELD EFFECT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/385 GOVERNMENT SPECIFICATION
precious_material_and_locationTERMINAL SURFACE OPTION GOLD
power_rating_per_characteristic1.8 WATTS MAXIMUM TOTAL POWER DISSIPATION
NSN5961-00-517-9416
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 JANTX2N4857 MFR OEM TRANSISTOR
KEY FEATURES
PRECIOUS MATERIAL: GOLD
TEST DATA DOCUMENT: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
PRECIOUS MATERIAL AND LOCATION: TERMINAL SURFACE OPTION GOLD
INTERNAL CONFIGURATION: FIELD EFFECT
CURRENT RATING PER CHARACTERISTIC: 50.00 MILLIAMPERES MAXIMUM GATE CURRENT
MOUNTING METHOD: TERMINAL
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PRECIOUS MATERIALGOLD
TEST DATA DOCUMENT81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
PRECIOUS MATERIAL AND LOCATIONTERMINAL SURFACE OPTION GOLD
INTERNAL CONFIGURATIONFIELD EFFECT
CURRENT RATING PER CHARACTERISTIC50.00 MILLIAMPERES MAXIMUM GATE CURRENT
MOUNTING METHODTERMINAL
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
SEMICONDUCTOR MATERIALSILICON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 37
7040025-1Interchangeable
interchangeable cross-reference
interchangeable
2N3436Interchangeable
interchangeable cross-reference
interchangeable
B26044Interchangeable
interchangeable cross-reference
interchangeable
RELEASE5360Interchangeable
interchangeable cross-reference
interchangeable
2N4857Interchangeable
interchangeable cross-reference
interchangeable
2N4857AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JANTX2N4857?
JANTX2N4857 is a TRANSISTOR.
What parts can replace JANTX2N4857?
There are 37 known substitutes for JANTX2N4857: 7040025-1, 2N3436, B26044 and 34 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JANTX2N4857?
JANTX2N4857 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-517-9416. This indicates validated use in U.S. government and defense supply chains.
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