PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1N1490
1N1490 ✓ 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: CERAMIC ENCLOSURE, overall_length: 0.242 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 1.250 INCHES MINIMUM IN, overall_diameter: 0.254 INCHES NOMINAL 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 5961-00-685-9274, 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
1N1490
NSN: 5961-00-685-9274
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
materialCERAMIC ENCLOSURE
overall_length0.242 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.250 INCHES MINIMUM IN
overall_diameter0.254 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
current_rating_per_characteristic750.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
voltage_rating_in_volts_per_characteristic400.0 MAXIMUM REVERSE VOLTAGE, PEAK
maximum_operating_temp_per_measurement_point140.0 CELSIUS AMBIENT AIR DEGC
NSN5961-00-685-9274
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 1N1490 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
MATERIAL: SILICON SEMICONDUCTOR
•
TERMINAL LENGTH: 1.000 INCHES MINIMUM AND 1.620 INCHES MAXIMUM IN
•
MOUNTING METHOD: TERMINAL
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 140.0 CELSIUS AMBIENT AIR DEGC
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
CURRENT RATING PER CHARACTERISTIC: 0.75 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE AND 15.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
•
OVERALL DIAMETER: 0.245 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 400.0 MAXIMUM REVERSE VOLTAGE, PEAK
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSILICON SEMICONDUCTOR
TERMINAL LENGTH1.000 INCHES MINIMUM AND 1.620 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT140.0 CELSIUS AMBIENT AIR DEGC
FEATURES PROVIDEDHERMETICALLY SEALED CASE
CURRENT RATING PER CHARACTERISTIC0.75 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE AND 15.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
OVERALL DIAMETER0.245 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC400.0 MAXIMUM REVERSE VOLTAGE, PEAK
OVERALL LENGTH0.220 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1N1492Interchangeable
interchangeable cross-reference
interchangeable
353-1661-00Interchangeable
interchangeable cross-reference
interchangeable
RELEASE2260Interchangeable
interchangeable cross-reference
interchangeable
1N1488Interchangeable
interchangeable cross-reference
interchangeable
1N1491Interchangeable
interchangeable cross-reference
interchangeable
1N1487Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N1490?
1N1490 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N1490?
There are 17 known substitutes for 1N1490: 1N1492, 353-1661-00, RELEASE2260 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N1490?
1N1490 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-685-9274. 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