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Technical Data Sheet
1N3891 ✓ 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: 1.022 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S), overall_diameter: 0.424 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE, nominal_thread_size: 0.190 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-464-9020, 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
1N3891
NSN: 5961-00-464-9020
FSC: 5961
CAGE: 09214 — GENERAL ELECTRIC CO SEMI-CONDUCTOR PRODUCTS DEPT POWER COMPONENTS OPN (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
overall_length1.022 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S)
overall_diameter0.424 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.190 INCHES IN
thread_series_designatorUNF
mounting_facility_quantity1
overall_width_across_flats0.423 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN
terminal_type_and_quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
function_for_which_designedGENERAL PURPOSE
specification/standard_data81349-MIL-S-19500/304 GOVERNMENT SPECIFICATION
NSN5961-00-464-9020
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 1N3891 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG AND 1 THREADED STUD
THREAD SERIES DESIGNATOR: UNF
FEATURES PROVIDED: HERMETICALLY SEALED CASE AND MOUNTING HARDWARE
MATERIAL: SILICON SEMICONDUCTOR
MOUNTING METHOD: UNTHREADED HOLE(S)
CURRENT RATING PER CHARACTERISTIC: 12.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
NOMINAL THREAD SIZE: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG AND 1 THREADED STUD
THREAD SERIES DESIGNATORUNF
FEATURES PROVIDEDHERMETICALLY SEALED CASE AND MOUNTING HARDWARE
MATERIALSILICON SEMICONDUCTOR
MOUNTING METHODUNTHREADED HOLE(S)
CURRENT RATING PER CHARACTERISTIC12.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
OVERALL LENGTH1.187 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.190 INCHES IN
MOUNTING FACILITY QUANTITY1
OVERALL WIDTH ACROSS FLATS0.437 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
JANTX1N3891Interchangeable
interchangeable cross-reference
interchangeable
20-00903-011Interchangeable
interchangeable cross-reference
interchangeable
353-9009-141Interchangeable
interchangeable cross-reference
interchangeable
5961009887738Interchangeable
interchangeable cross-reference
interchangeable
1N3891Interchangeable
interchangeable cross-reference
interchangeable
Q62702A289ZInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N3891?
1N3891 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N3891?
There are 9 known substitutes for 1N3891: JANTX1N3891, 20-00903-011, 353-9009-141 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N3891?
1N3891 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-464-9020. This indicates validated use in U.S. government and defense supply chains.
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