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Technical Data Sheet
PartsTable / COMPONENT / SDT7403/STD85503
SDT7403/STD85503 ✓ 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 SDT7403/STD85503 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-138-1497, 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
SDT7403/STD85503
NSN: 5961-01-138-1497
FSC: 5961
CAGE: 13527 — TAIT-TORAN INC FOURIN CORP (USA)
SPECIFICATIONS
Part NumberSDT7403/STD85503
NSN5961-01-138-1497
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 SDT7403/STD85503 MFR OEM SDT7403/STD85503
KEY FEATURES
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC
•
SEMICONDUCTOR MATERIAL: SILICON
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
•
CURRENT RATING PER CHARACTERISTIC: 10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
SEMICONDUCTOR MATERIALSILICON
INTERNAL CONFIGURATIONJUNCTION CONTACT
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
CURRENT RATING PER CHARACTERISTIC10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
23429Interchangeable
interchangeable cross-reference
interchangeable
42676Interchangeable
interchangeable cross-reference
interchangeable
R9096Interchangeable
interchangeable cross-reference
interchangeable
PVC 00502 1200Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SDT7403/STD85503?
SDT7403/STD85503 is a SDT7403/STD85503.
What parts can replace SDT7403/STD85503?
There are 4 known substitutes for SDT7403/STD85503: 23429, 42676, R9096 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SDT7403/STD85503?
SDT7403/STD85503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-138-1497. 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