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Technical Data Sheet
1N1191 ✓ 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: SILICON SEMICONDUCTOR, overall_length: 0.450 INCHES NOMINAL IN, mounting_method: THREADED STUD(S), features_provided: HERMETICALLY SEALED CASE, nominal_thread_size: 0.250 INCHES IN, thread_series_designator: UNF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-755-8149, 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
1N1191
NSN: 5961-00-755-8149
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
overall_length0.450 INCHES NOMINAL IN
mounting_methodTHREADED STUD(S)
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.250 INCHES IN
thread_series_designatorUNF
mounting_facility_quantity1
overall_width_across_flats0.687 INCHES NOMINAL IN
terminal_type_and_quantity1 THREADED STUD AND 1 TAB, SOLDER LUG
specification/standard_data80131-RELEASE2574 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic30.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic18.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
NSN5961-00-755-8149
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 1N1191 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
THREAD SERIES DESIGNATOR: UNF
SPECIFICATION/STANDARD DATA: 80131-RELEASE2574 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
OVERALL WIDTH ACROSS FLATS: 0.687 INCHES NOMINAL IN
MOUNTING METHOD: THREADED STUD(S)
POWER RATING PER CHARACTERISTIC: 30.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
MOUNTING FACILITY QUANTITY: 1
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 150.0 CELSIUS CASE DEGC
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF
SPECIFICATION/STANDARD DATA80131-RELEASE2574 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
OVERALL WIDTH ACROSS FLATS0.687 INCHES NOMINAL IN
MOUNTING METHODTHREADED STUD(S)
POWER RATING PER CHARACTERISTIC30.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
OVERALL LENGTH0.450 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY1
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT150.0 CELSIUS CASE DEGC
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC50.0 MAXIMUM REVERSE VOLTAGE, PEAK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1N3214Interchangeable
interchangeable cross-reference
interchangeable
WN5091-9Interchangeable
interchangeable cross-reference
interchangeable
1N2159Interchangeable
interchangeable cross-reference
interchangeable
1N1194Interchangeable
interchangeable cross-reference
interchangeable
1N1163Interchangeable
interchangeable cross-reference
interchangeable
1N250BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N1191?
1N1191 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N1191?
There are 14 known substitutes for 1N1191: 1N3214, WN5091-9, 1N2159 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N1191?
1N1191 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-755-8149. This indicates validated use in U.S. government and defense supply chains.
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