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Technical Data Sheet
PartsTable / COMPONENT / 2N2499
2N2499 ✓ 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: 0.260 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES MINIMUM IN, overall_diameter: 0.370 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: PN, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-902-7972, 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
2N2499
NSN: 5961-00-902-7972
FSC: 5961
CAGE: 15818 — TELCOM SEMICONDUCTOR INC (USA)
SPECIFICATIONS
overall_length0.260 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MINIMUM IN
overall_diameter0.370 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.200 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE3967 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic500.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
NSN5961-00-902-7972
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 2N2499 MFR OEM TRANSISTOR
KEY FEATURES
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 20.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
•
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL IN
•
POWER RATING PER CHARACTERISTIC: 500.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
•
SEMICONDUCTOR MATERIAL: SILICON
•
TERMINAL LENGTH: 1.500 INCHES MINIMUM IN
•
SPECIFICATION/STANDARD DATA: 80131-RELEASE3967 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC20.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
POWER RATING PER CHARACTERISTIC500.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
SEMICONDUCTOR MATERIALSILICON
TERMINAL LENGTH1.500 INCHES MINIMUM IN
SPECIFICATION/STANDARD DATA80131-RELEASE3967 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
INTERNAL CONFIGURATIONJUNCTION CONTACT
OVERALL LENGTH0.260 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2N2565Interchangeable
interchangeable cross-reference
interchangeable
RELEASE3967Interchangeable
interchangeable cross-reference
interchangeable
23306Interchangeable
interchangeable cross-reference
interchangeable
048618-0001Interchangeable
interchangeable cross-reference
interchangeable
48618-1Interchangeable
interchangeable cross-reference
interchangeable
2N2497Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N2499?
2N2499 is a TRANSISTOR.
What parts can replace 2N2499?
There are 11 known substitutes for 2N2499: 2N2565, RELEASE3967, 23306 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N2499?
2N2499 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-902-7972. 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