PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1N5731B
1N5731B ✓ 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: 0.177 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.072 INCHES MAXIMUM IN, terminal_type_and_quantity: 2 UNINSULATED WIRE LEAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-579-1682, 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
1N5731B
NSN: 5961-00-579-1682
FSC: 5961
CAGE: 25403 — PHILIPS CIRCUIT ASSEMBLIES (USA)
SPECIFICATIONS
materialGLASS ENCLOSURE
overall_length0.177 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.072 INCHES MAXIMUM IN
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE6257 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic10.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
voltage_rating_in_volts_per_characteristic6.2 MAXIMUM NOMINAL REGULATOR VOLTAGE
maximum_operating_temp_per_measurement_point200.0 CELSIUS AMBIENT AIR DEGC
NSN5961-00-579-1682
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 1N5731B MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
MATERIAL: GLASS ENCLOSURE
•
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
•
OVERALL DIAMETER: 0.072 INCHES MAXIMUM IN
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 6.2 MAXIMUM NOMINAL REGULATOR VOLTAGE
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS AMBIENT AIR DEGC
•
CURRENT RATING PER CHARACTERISTIC: 10.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
•
POWER RATING PER CHARACTERISTIC: 400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALGLASS ENCLOSURE
TERMINAL LENGTH0.500 INCHES MINIMUM IN
OVERALL DIAMETER0.072 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC6.2 MAXIMUM NOMINAL REGULATOR VOLTAGE
OVERALL LENGTH0.177 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS AMBIENT AIR DEGC
CURRENT RATING PER CHARACTERISTIC10.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
POWER RATING PER CHARACTERISTIC400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
MOUNTING METHODTERMINAL
SPECIFICATION/STANDARD DATA80131-RELEASE6257 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
210062Interchangeable
interchangeable cross-reference
interchangeable
001-30144Interchangeable
interchangeable cross-reference
interchangeable
5T5147Interchangeable
interchangeable cross-reference
interchangeable
MA1605Interchangeable
interchangeable cross-reference
interchangeable
FBM-Z238Interchangeable
interchangeable cross-reference
interchangeable
BZX79C8V2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N5731B?
1N5731B is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N5731B?
There are 20 known substitutes for 1N5731B: 210062, 001-30144, 5T5147 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N5731B?
1N5731B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-579-1682. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026