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Technical Data Sheet
PartsTable / COMPONENT / 1N3319B
1N3319B ✓ 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: SILICON SEMICONDUCTOR, overall_height: 0.450 INCHES MAXIMUM IN, overall_length: 0.450 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S), overall_diameter: 0.667 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 5961-00-900-4821, 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
1N3319B
NSN: 5961-00-900-4821
FSC: 5961
CAGE: 12954 — MICROSEMI CORP.-SCOTTSDALE DBA MICROSEMI (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
overall_height0.450 INCHES MAXIMUM IN
overall_length0.450 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S)
overall_diameter0.667 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.250 INCHES IN
thread_series_designatorUNF
mounting_facility_quantity1
overall_width_across_flats0.200 INCHES MAXIMUM IN
terminal_type_and_quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
specification/standard_data80131-RELEASE3669 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
NSN5961-00-900-4821
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 1N3319B MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 80131-RELEASE3669 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
•
THREAD SERIES DESIGNATOR: UNF
•
POWER RATING PER CHARACTERISTIC: 50.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
•
MOUNTING FACILITY QUANTITY: 1
•
TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG AND 1 THREADED STUD
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 20.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
•
CURRENT RATING PER CHARACTERISTIC: 630.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA80131-RELEASE3669 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
THREAD SERIES DESIGNATORUNF
POWER RATING PER CHARACTERISTIC50.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
MOUNTING FACILITY QUANTITY1
TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG AND 1 THREADED STUD
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC20.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
CURRENT RATING PER CHARACTERISTIC630.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
OVERALL LENGTH0.450 INCHES MAXIMUM IN
MOUNTING METHODTHREADED STUD(S)
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS JUNCTION DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
MIL-PRF-19500/358Interchangeable
interchangeable cross-reference
interchangeable
1N3323RBInterchangeable
interchangeable cross-reference
interchangeable
RELEASE 3669Interchangeable
interchangeable cross-reference
interchangeable
1N3311AInterchangeable
interchangeable cross-reference
interchangeable
1N3311Interchangeable
interchangeable cross-reference
interchangeable
1N3320BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N3319B?
1N3319B is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N3319B?
There are 16 known substitutes for 1N3319B: MIL-PRF-19500/358, 1N3323RB, RELEASE 3669 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N3319B?
1N3319B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-900-4821. 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