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Technical Data Sheet

2N499A — Network Technical Data

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— · 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: 0.375 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, overall_diameter: 0.200 INCHES MINIMUM AND 0.240 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 under NSN 5961-00-840-7952, 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
2N499A
NSN: 5961-00-840-7952
FSC: 5961
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
overall_length0.375 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
overall_diameter0.200 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialGERMANIUM
terminal_circle_diameter0.071 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/72 GOVERNMENT SPECIFICATION
internal_junction_configurationPNP
power_rating_per_characteristic60.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
NSN5961-00-840-7952
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 2N499A MFR OEM TRANSISTOR
KEY FEATURES
•
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.).
•
MOUNTING METHOD: TERMINAL
•
POWER RATING PER CHARACTERISTIC: 60.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: -30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -18.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -0.5 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
•
CURRENT RATING PER CHARACTERISTIC: -50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
•
OVERALL DIAMETER: 0.200 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
•
SEMICONDUCTOR MATERIAL: GERMANIUM
TECHNICAL CHARACTERISTICS
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.).
MOUNTING METHODTERMINAL
POWER RATING PER CHARACTERISTIC60.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC-30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -18.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -0.5 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
CURRENT RATING PER CHARACTERISTIC-50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
OVERALL DIAMETER0.200 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
SEMICONDUCTOR MATERIALGERMANIUM
TERMINAL CIRCLE DIAMETER0.071 INCHES NOMINAL IN
INTERNAL JUNCTION CONFIGURATIONPNP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
2N499InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-S-19500/72InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DMS 78019BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5961011369804InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
RELEASE3463InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E6725035InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N499A?
2N499A is a TRANSISTOR.
What parts can replace 2N499A?
There are 9 known substitutes for 2N499A: 2N499, MIL-S-19500/72, DMS 78019B and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N499A?
2N499A is cataloged in the Federal Logistics Information System under NSN 5961-00-840-7952. This indicates validated use in U.S. government and defense supply chains.
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