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Technical Data Sheet
JANTXV2N3999 ✓ 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: 0.975 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S), special_features: JUNCTION PATTERN ARRANGEMENT: NPN, nominal_thread_size: 0.190 INCHES IN, internal_configuration: JUNCTION CONTACT, semiconductor_material: SILICON. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-359-3125, 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
JANTXV2N3999
NSN: 5961-01-359-3125
FSC: 5961
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
overall_length0.975 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S)
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
nominal_thread_size0.190 INCHES IN
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
thread_series_designatorUNF
mounting_facility_quantity1
overall_width_across_flats0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
terminal_type_and_quantity3 WIRE HOOK
specification/standard_data81349-MIL-S-19500/374 GOVERNMENT SPECIFICATION
power_rating_per_characteristic30.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
NSN5961-01-359-3125
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 JANTXV2N3999 MFR OEM TRANSISTOR
KEY FEATURES
NOMINAL THREAD SIZE: 0.190 INCHES IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
CURRENT RATING PER CHARACTERISTIC: 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
SEMICONDUCTOR MATERIAL: SILICON
MOUNTING FACILITY QUANTITY: 1
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: JUNCTION CONTACT
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.190 INCHES IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
OVERALL LENGTH0.975 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
CURRENT RATING PER CHARACTERISTIC5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
SEMICONDUCTOR MATERIALSILICON
MOUNTING FACILITY QUANTITY1
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 CONFIGURATIONJUNCTION CONTACT
MOUNTING METHODTHREADED STUD(S)
OVERALL WIDTH ACROSS FLATS0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
JAN2N3997AInterchangeable
interchangeable cross-reference
interchangeable
MILS19500-374Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-19500/374Interchangeable
interchangeable cross-reference
interchangeable
JAN2N3998Interchangeable
interchangeable cross-reference
interchangeable
JAN2N3998AInterchangeable
interchangeable cross-reference
interchangeable
MIL-S-19500/374Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JANTXV2N3999?
JANTXV2N3999 is a TRANSISTOR.
What parts can replace JANTXV2N3999?
There are 19 known substitutes for JANTXV2N3999: JAN2N3997A, MILS19500-374, MIL-PRF-19500/374 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JANTXV2N3999?
JANTXV2N3999 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-359-3125. This indicates validated use in U.S. government and defense supply chains.
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