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Technical Data Sheet
PartsTable / COMPONENT / FS141-4003-003N
FS141-4003-003N ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: GLASS ENCLOSURE, overall_length: 0.130 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.900 INCHES MINIMUM AND 1.300 INCHES MAXIMUM IN, overall_diameter: 0.110 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, 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 5961-00-433-7220, 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
FS141-4003-003N
NSN: 5961-00-433-7220
FSC: 5961
CAGE: K3902 — BAE SYSTEMS MARITIME SERVICES (GBR)
SPECIFICATIONS
materialGLASS ENCLOSURE
overall_length0.130 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.900 INCHES MINIMUM AND 1.300 INCHES MAXIMUM IN
overall_diameter0.110 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/411 GOVERNMENT SPECIFICATION
current_rating_per_characteristic80.00 AMPERES MAXIMUM PEAK REVERSE SURGE CURRENT
voltage_rating_in_volts_per_characteristic200.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE
maximum_operating_temp_per_measurement_point175.0 CELSIUS JUNCTION DEGC
NSN5961-00-433-7220
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 FS141-4003-003N MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
OVERALL DIAMETER: 0.110 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
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.).
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 200.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE
•
TERMINAL LENGTH: 0.900 INCHES MINIMUM AND 1.300 INCHES MAXIMUM IN
•
CURRENT RATING PER CHARACTERISTIC: 80.00 AMPERES MAXIMUM PEAK REVERSE SURGE CURRENT
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-19500/411 GOVERNMENT SPECIFICATION
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS JUNCTION DEGC
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.110 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
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.).
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC200.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE
TERMINAL LENGTH0.900 INCHES MINIMUM AND 1.300 INCHES MAXIMUM IN
CURRENT RATING PER CHARACTERISTIC80.00 AMPERES MAXIMUM PEAK REVERSE SURGE CURRENT
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/411 GOVERNMENT SPECIFICATION
OVERALL LENGTH0.130 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS JUNCTION DEGC
MOUNTING METHODTERMINAL
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
44002Interchangeable
interchangeable cross-reference
interchangeable
B44002PCBRGInterchangeable
interchangeable cross-reference
interchangeable
465975Interchangeable
interchangeable cross-reference
interchangeable
20-00903-028Interchangeable
interchangeable cross-reference
interchangeable
10133073Interchangeable
interchangeable cross-reference
interchangeable
538119-9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FS141-4003-003N?
FS141-4003-003N is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace FS141-4003-003N?
There are 30 known substitutes for FS141-4003-003N: 44002, B44002PCBRG, 465975 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FS141-4003-003N?
FS141-4003-003N is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-433-7220. 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