PartsTable
Technical Data Sheet
JANS2N2857 ✓ 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: 0.210 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.230 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN, features_provided: HERMETICALLY SEALED CASE AND QUALITY ASSURANCE LEVEL S. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-235-2199, 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
JANS2N2857
NSN: 5961-01-235-2199
FSC: 5961
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
overall_length0.210 INCHES MAXIMUM IN
transfer_ratio30.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER AND 150.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.230 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE AND QUALITY ASSURANCE LEVEL S
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.071 INCHES NOMINAL IN
terminal_type_and_quantity4 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/343 GOVERNMENT SPECIFICATION
NSN5961-01-235-2199
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 JANS2N2857 MFR OEM TRANSISTOR
KEY FEATURES
TERMINAL TYPE AND QUANTITY: 4 UNINSULATED WIRE LEAD
INTERNAL CONFIGURATION: JUNCTION CONTACT
SPECIFICATION/STANDARD DATA: 81349-MIL-S-19500/343 GOVERNMENT SPECIFICATION
TERMINAL CIRCLE DIAMETER: 0.071 INCHES NOMINAL IN
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.).
OVERALL DIAMETER: 0.230 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
TERMINAL TYPE AND QUANTITY4 UNINSULATED WIRE LEAD
INTERNAL CONFIGURATIONJUNCTION CONTACT
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/343 GOVERNMENT SPECIFICATION
TERMINAL CIRCLE DIAMETER0.071 INCHES NOMINAL IN
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.).
OVERALL DIAMETER0.230 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
OVERALL LENGTH0.210 INCHES MAXIMUM IN
TERMINAL LENGTH0.500 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
425-2849Interchangeable
interchangeable cross-reference
interchangeable
352-8019-010Interchangeable
interchangeable cross-reference
interchangeable
475-284Interchangeable
interchangeable cross-reference
interchangeable
2N2857Interchangeable
interchangeable cross-reference
interchangeable
352-7500-350Interchangeable
interchangeable cross-reference
interchangeable
1854-0323Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JANS2N2857?
JANS2N2857 is a TRANSISTOR.
What parts can replace JANS2N2857?
There are 9 known substitutes for JANS2N2857: 425-2849, 352-8019-010, 475-284 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JANS2N2857?
JANS2N2857 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-235-2199. This indicates validated use in U.S. government and defense supply chains.
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