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Technical Data Sheet
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2N490 ✓ 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 features_provided: HERMETICALLY SEALED CASE, internal_configuration: POINT CONTACT, semiconductor_material: SILICON, terminal_type_and_quantity: 3 UNINSULATED WIRE LEAD, specification/standard_data: 80131-2N490 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD, internal_junction_configuration: NPN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-814-5874, 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
2N490
NSN: 5961-00-814-5874
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
features_providedHERMETICALLY SEALED CASE
internal_configurationPOINT CONTACT
semiconductor_materialSILICON
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data80131-2N490 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
internal_junction_configurationNPN
NSN5961-00-814-5874
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 2N490 MFR OEM TRANSISTOR
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 80131-2N490 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
INTERNAL CONFIGURATION: POINT CONTACT
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
SEMICONDUCTOR MATERIAL: SILICON
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA80131-2N490 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
INTERNAL CONFIGURATIONPOINT CONTACT
FEATURES PROVIDEDHERMETICALLY SEALED CASE
SEMICONDUCTOR MATERIALSILICON
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
MILT19500Interchangeable
interchangeable cross-reference
interchangeable
2N490Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N490?
2N490 is a TRANSISTOR.
What parts can replace 2N490?
There are 2 known substitutes for 2N490: MILT19500, 2N490. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N490?
2N490 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-814-5874. 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