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Technical Data Sheet
PartsTable / COMPONENT / 2N2999
2N2999 ✓ 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, 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 5961-00-913-3001, 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
2N2999
NSN: 5961-00-913-3001
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
overall_length0.210 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.230 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialGERMANIUM
terminal_type_and_quantity4 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE4411 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
internal_junction_configurationPNP
power_rating_per_characteristic75.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
current_rating_per_characteristic20.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-00-913-3001
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 2N2999 MFR OEM TRANSISTOR
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 80131-RELEASE4411 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
•
SEMICONDUCTOR MATERIAL: GERMANIUM
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
OVERALL DIAMETER: 0.230 INCHES MAXIMUM IN
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 10.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 0.2 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
•
POWER RATING PER CHARACTERISTIC: 75.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
•
INTERNAL JUNCTION CONFIGURATION: PNP
•
CURRENT RATING PER CHARACTERISTIC: 20.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA80131-RELEASE4411 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
SEMICONDUCTOR MATERIALGERMANIUM
FEATURES PROVIDEDHERMETICALLY SEALED CASE
OVERALL DIAMETER0.230 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 10.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 0.2 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
POWER RATING PER CHARACTERISTIC75.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
INTERNAL JUNCTION CONFIGURATIONPNP
CURRENT RATING PER CHARACTERISTIC20.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
INTERNAL CONFIGURATIONJUNCTION CONTACT
OVERALL LENGTH0.210 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
RELEASE4411Interchangeable
interchangeable cross-reference
interchangeable
Q0103Interchangeable
interchangeable cross-reference
interchangeable
1850-0172Interchangeable
interchangeable cross-reference
interchangeable
SM-B-867521Interchangeable
interchangeable cross-reference
interchangeable
2N2997Interchangeable
interchangeable cross-reference
interchangeable
2N2998Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N2999?
2N2999 is a TRANSISTOR.
What parts can replace 2N2999?
There are 6 known substitutes for 2N2999: RELEASE4411, Q0103, 1850-0172 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N2999?
2N2999 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-913-3001. 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