PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 581-291
581-291 ✓ 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: 0.250 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.100 INCHES MINIMUM IN, overall_diameter: 0.107 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 5961-00-110-7873, 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
581-291
NSN: 5961-00-110-7873
FSC: 5961
CAGE: 92739 — AMPEX SYSTEMS CORP (USA)
SPECIFICATIONS
materialGLASS ENCLOSURE
overall_length0.250 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.100 INCHES MINIMUM IN
overall_diameter0.107 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE5009 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic16.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
voltage_rating_in_volts_per_characteristic16.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
maximum_operating_temp_per_measurement_point200.0 CELSIUS AMBIENT AIR DEGC
NSN5961-00-110-7873
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 581-291 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
TERMINAL LENGTH: 1.100 INCHES MINIMUM IN
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
MOUNTING METHOD: TERMINAL
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 16.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS AMBIENT AIR DEGC
•
POWER RATING PER CHARACTERISTIC: 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
•
CURRENT RATING PER CHARACTERISTIC: 16.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL LENGTH1.100 INCHES MINIMUM IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
MOUNTING METHODTERMINAL
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC16.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS AMBIENT AIR DEGC
OVERALL LENGTH0.250 INCHES MAXIMUM IN
POWER RATING PER CHARACTERISTIC1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
CURRENT RATING PER CHARACTERISTIC16.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
OVERALL DIAMETER0.107 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
VSZ313425Interchangeable
interchangeable cross-reference
interchangeable
12043-0027Interchangeable
interchangeable cross-reference
interchangeable
353-6481-350Interchangeable
interchangeable cross-reference
interchangeable
81891Interchangeable
interchangeable cross-reference
interchangeable
83473Interchangeable
interchangeable cross-reference
interchangeable
161024-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 581-291?
581-291 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 581-291?
There are 17 known substitutes for 581-291: VSZ313425, 12043-0027, 353-6481-350 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 581-291?
581-291 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-110-7873. 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