PartsTable
Technical Data Sheet

2N4949 — 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: PN, features_provided: HERMETICALLY SEALED CASE. This part is cataloged in the Federal Logistics Information System under NSN 5961-00-497-0988, 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
2N4949
NSN: 5961-00-497-0988
FSC: 5961
CAGE: 43611 — MICROSEMI CORP - MASSACHUSETTS (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: PN
features_providedHERMETICALLY SEALED CASE
internal_configurationUNIJUNCTION
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/388 GOVERNMENT SPECIFICATION
power_rating_per_characteristic360.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
NSN5961-00-497-0988
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 2N4949 MFR OEM TRANSISTOR
KEY FEATURES
•
OVERALL DIAMETER: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
MOUNTING METHOD: TERMINAL
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-19500/388 GOVERNMENT SPECIFICATION
•
CURRENT RATING PER CHARACTERISTIC: 50.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC
•
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.).
•
INTERNAL CONFIGURATION: UNIJUNCTION
•
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/388 GOVERNMENT SPECIFICATION
CURRENT RATING PER CHARACTERISTIC50.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC
OVERALL LENGTH0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM 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.).
INTERNAL CONFIGURATIONUNIJUNCTION
TERMINAL LENGTH0.500 INCHES MINIMUM IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
2N4949HRInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2N918InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
200778-006InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
352-7500-571InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
5961PL0975956InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
352+7500+131InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
Ready to buy 2N4949?
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 2N4949?
2N4949 is a TRANSISTOR.
What parts can replace 2N4949?
There are 8 known substitutes for 2N4949: 2N4949HR, 2N918, 200778-006 and 5 more. Substitute compatibility should be verified for your specific system.
Is 2N4949 still available?
2N4949 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 — 2N4949