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Technical Data Sheet
PartsTable / COMPONENT / J1N5552
J1N5552 ✓ 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: 0.130 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.900 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, overall_diameter: 0.115 INCHES MINIMUM AND 0.180 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 5961-00-146-4486, 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
J1N5552
NSN: 5961-00-146-4486
FSC: 5961
CAGE: 14099 — SEMTECH CORPORATION (USA)
SPECIFICATIONS
materialGLASS ENCLOSURE
overall_length0.130 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.900 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
overall_diameter0.115 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/420 GOVERNMENT SPECIFICATION
power_rating_per_characteristic20.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic50.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
voltage_rating_in_volts_per_characteristic600.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
maximum_operating_temp_per_measurement_point175.0 CELSIUS AMBIENT AIR DEGC
NSN5961-00-146-4486
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 J1N5552 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
POWER RATING PER CHARACTERISTIC: 20.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-19500/420 GOVERNMENT SPECIFICATION
•
OVERALL DIAMETER: 0.115 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
CURRENT RATING PER CHARACTERISTIC: 50.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 600.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
•
TERMINAL LENGTH: 0.900 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
POWER RATING PER CHARACTERISTIC20.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/420 GOVERNMENT SPECIFICATION
OVERALL LENGTH0.130 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
OVERALL DIAMETER0.115 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
CURRENT RATING PER CHARACTERISTIC50.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC600.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
TERMINAL LENGTH0.900 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS AMBIENT AIR DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
941-0403-0102Interchangeable
interchangeable cross-reference
interchangeable
JAN1N5551AInterchangeable
interchangeable cross-reference
interchangeable
1N5551Interchangeable
interchangeable cross-reference
interchangeable
JAN1N5552Interchangeable
interchangeable cross-reference
interchangeable
L01171Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-19500/420Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J1N5552?
J1N5552 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace J1N5552?
There are 35 known substitutes for J1N5552: 941-0403-0102, JAN1N5551A, 1N5551 and 32 more. Substitute compatibility should be verified for your specific system.
What is the NSN for J1N5552?
J1N5552 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-146-4486. 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.
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Last verified: July 2026