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Technical Data Sheet
1N551 ✓ 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: 0.300 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.975 INCHES MINIMUM IN, overall_diameter: 0.145 INCHES MAXIMUM IN, terminal_circle_diameter: 0.040 INCHES NOMINAL 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 5961-01-202-5095, 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
1N551
NSN: 5961-01-202-5095
FSC: 5961
CAGE: SD633 — MICROSEMI IRELAND (IRL)
SPECIFICATIONS
materialGLASS ENCLOSURE
overall_length0.300 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.975 INCHES MINIMUM IN
overall_diameter0.145 INCHES MAXIMUM IN
terminal_circle_diameter0.040 INCHES NOMINAL IN
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
current_rating_per_characteristic100.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
maximum_operating_temp_per_measurement_point175.0 CELSIUS AMBIENT AIR DEGC
NSN5961-01-202-5095
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 1N551 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
MATERIAL: GLASS ENCLOSURE
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
OVERALL DIAMETER: 0.145 INCHES MAXIMUM IN
TERMINAL LENGTH: 0.975 INCHES MINIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS AMBIENT AIR DEGC
CURRENT RATING PER CHARACTERISTIC: 100.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
MOUNTING METHOD: TERMINAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALGLASS ENCLOSURE
MATERIALSILICON SEMICONDUCTOR
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
OVERALL DIAMETER0.145 INCHES MAXIMUM IN
TERMINAL LENGTH0.975 INCHES MINIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS AMBIENT AIR DEGC
CURRENT RATING PER CHARACTERISTIC100.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
MOUNTING METHODTERMINAL
TERMINAL CIRCLE DIAMETER0.040 INCHES NOMINAL IN
OVERALL LENGTH0.300 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
941-0403-0102Interchangeable
interchangeable cross-reference
interchangeable
JAN1N5551AInterchangeable
interchangeable cross-reference
interchangeable
1N5551Interchangeable
interchangeable cross-reference
interchangeable
23443Interchangeable
interchangeable cross-reference
interchangeable
JANTX1N5551AInterchangeable
interchangeable cross-reference
interchangeable
12448/34803Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N551?
1N551 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N551?
There are 10 known substitutes for 1N551: 941-0403-0102, JAN1N5551A, 1N5551 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N551?
1N551 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-202-5095. This indicates validated use in U.S. government and defense supply chains.
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