PartsTable
Technical Data Sheet
2N4899A ✓ 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: 0.297 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), overall_diameter: 0.620 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: PNP, features_provided: HERMETICALLY SEALED CASE, internal_configuration: JUNCTION CONTACT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-404-5599, 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
2N4899A
NSN: 5961-00-404-5599
FSC: 5961
CAGE: C7191 — ADELCO ELEKTRONIK GMBH (DEU)
SPECIFICATIONS
overall_length0.297 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
overall_diameter0.620 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
mounting_facility_quantity2
terminal_type_and_quantity2 UNINSULATED WIRE LEAD AND 1 CASE
specification/standard_data80131-RE.EASE5443 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic25.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
current_rating_per_characteristic1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-00-404-5599
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 2N4899A MFR OEM TRANSISTOR
KEY FEATURES
OVERALL DIAMETER: 0.620 INCHES MAXIMUM IN
INTERNAL CONFIGURATION: JUNCTION CONTACT
MOUNTING FACILITY QUANTITY: 2
SEMICONDUCTOR MATERIAL: SILICON
CURRENT RATING PER CHARACTERISTIC: 1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
MOUNTING METHOD: UNTHREADED HOLE(S)
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASE: COLLECTOR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.620 INCHES MAXIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
MOUNTING FACILITY QUANTITY2
OVERALL LENGTH0.297 INCHES NOMINAL IN
SEMICONDUCTOR MATERIALSILICON
CURRENT RATING PER CHARACTERISTIC1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
MOUNTING METHODUNTHREADED HOLE(S)
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASECOLLECTOR
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
2N4902Interchangeable
interchangeable cross-reference
interchangeable
10001560Interchangeable
interchangeable cross-reference
interchangeable
2N4905Interchangeable
interchangeable cross-reference
interchangeable
28435-876Interchangeable
interchangeable cross-reference
interchangeable
271SEA4903Interchangeable
interchangeable cross-reference
interchangeable
0100426Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N4899A?
2N4899A is a TRANSISTOR.
What parts can replace 2N4899A?
There are 25 known substitutes for 2N4899A: 2N4902, 10001560, 2N4905 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N4899A?
2N4899A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-404-5599. This indicates validated use in U.S. government and defense supply chains.
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