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PartsTable / COMPONENT / SR0666/1
SR0666/1 ✓ 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 SR0666/1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-917-3478, 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
SR0666/1
NSN: 5961-00-917-3478
FSC: 5961
CAGE: K5070 — DEVONPORT ROYAL DOCKYARD LIMITED, DEVONPORT ROYAL DOCKYARD (GBR)
SPECIFICATIONS
Part NumberSR0666/1
NSN5961-00-917-3478
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 SR0666/1 MFR OEM SR0666/1
KEY FEATURES
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD AND 1 CASE
•
POWER RATING PER CHARACTERISTIC: 117.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDHERMETICALLY SEALED CASE
INTERNAL CONFIGURATIONJUNCTION CONTACT
OVERALL LENGTH0.375 INCHES NOMINAL IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
MOUNTING METHODUNTHREADED HOLE(S)
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD AND 1 CASE
POWER RATING PER CHARACTERISTIC117.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
CURRENT RATING PER CHARACTERISTIC7.00 AMPERES MAXIMUM BASE CURRENT, DC AND 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
OVERALL DIAMETER0.875 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
571-4025-01-0519Interchangeable
interchangeable cross-reference
interchangeable
1151-05-0519Interchangeable
interchangeable cross-reference
interchangeable
4025-1Interchangeable
interchangeable cross-reference
interchangeable
2656224Interchangeable
interchangeable cross-reference
interchangeable
4020-32Interchangeable
interchangeable cross-reference
interchangeable
18301-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SR0666/1?
SR0666/1 is a SR0666/1.
What parts can replace SR0666/1?
There are 16 known substitutes for SR0666/1: 571-4025-01-0519, 1151-05-0519, 4025-1 and 13 more. Substitute compatibility should be verified for your specific system.
Is SR0666/1 still available?
SR0666/1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026