PartsTable
Technical Data Sheet

2N4449 — Network Technical Data

✓ 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, special_features: JUNCTION PATTERN ARRANGEMENT: NPN, features_provided: HERMETICALLY SEALED CASE. This part is cataloged in the Federal Logistics Information System under NSN 5961-00-257-0606, 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
2N4449
NSN: 5961-00-257-0606
FSC: 5961
CAGE: 03877 — GILBERT ENGINEERING CO INC/INCON SUB OF TRANSITRON ELECTRONIC CORP (USA)
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
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
precious_materialGOLD
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/317 GOVERNMENT SPECIFICATION
NSN5961-00-257-0606
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 2N4449 MFR OEM TRANSISTOR
KEY FEATURES
•
POWER RATING PER CHARACTERISTIC: 300.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
•
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.).
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC
•
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASE: COLLECTOR
•
OVERALL DIAMETER: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
•
TERMINAL LENGTH: 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
TECHNICAL CHARACTERISTICS
POWER RATING PER CHARACTERISTIC300.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
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.).
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASECOLLECTOR
OVERALL DIAMETER0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
TERMINAL LENGTH0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/317 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
403-5609InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
QA41InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
03-49027-07InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-PRF-19500/317InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
TXV2N2369AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
JANTXV2N2369AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
Ready to buy 2N4449?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 2N4449?
2N4449 is a TRANSISTOR.
What parts can replace 2N4449?
There are 13 known substitutes for 2N4449: 403-5609, QA41, 03-49027-07 and 10 more. Substitute compatibility should be verified for your specific system.
Is 2N4449 still available?
2N4449 is currently cancelled.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 2N4449