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Technical Data Sheet
1N3346B ✓ 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: 0.450 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S), overall_diameter: 0.667 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE, nominal_thread_size: 0.250 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-929-4974, 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
1N3346B
NSN: 5961-00-929-4974
FSC: 5961
CAGE: 5V1P1 — ON SEMICONDUCTOR CORPORATION (USA)
SPECIFICATIONS
materialGLASS ENCLOSURE
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
terminal_type_and_quantity2 TAB, SOLDER LUG
specification/standard_data80131-RELEASE3669 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic50.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic85.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
NSN5961-00-929-4974
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 1N3346B MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
MATERIAL: SILICON SEMICONDUCTOR
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 150.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
MOUNTING FACILITY QUANTITY: 1
CURRENT RATING PER CHARACTERISTIC: 85.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
POWER RATING PER CHARACTERISTIC: 50.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS JUNCTION DEGC
MOUNTING METHOD: THREADED STUD(S)
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSILICON SEMICONDUCTOR
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC150.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
MOUNTING FACILITY QUANTITY1
CURRENT RATING PER CHARACTERISTIC85.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
OVERALL LENGTH0.450 INCHES MAXIMUM IN
POWER RATING PER CHARACTERISTIC50.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS JUNCTION DEGC
MOUNTING METHODTHREADED STUD(S)
NOMINAL THREAD SIZE0.250 INCHES IN
SPECIFICATION/STANDARD DATA80131-RELEASE3669 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
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 1N3346B?
1N3346B is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N3346B?
There are 16 known substitutes for 1N3346B: MIL-PRF-19500/358, 1N3323RB, RELEASE 3669 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N3346B?
1N3346B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-929-4974. This indicates validated use in U.S. government and defense supply chains.
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