PartsTable
Technical Data Sheet
1N2989B ✓ 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: 0.300 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S), features_provided: HERMETICALLY SEALED CASE, nominal_thread_size: 0.190 INCHES IN, thread_series_designator: UNF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-476-4539, 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
1N2989B
NSN: 5961-00-476-4539
FSC: 5961
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
overall_length0.300 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S)
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.190 INCHES IN
thread_series_designatorUNF
mounting_facility_quantity1
overall_width_across_flats0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
terminal_type_and_quantity2 TAB, SOLDER LUG
nondefinitive_spec/std_data1N2989B TYPE
specification/standard_data81349-MIL-S-19500/124 GOVERNMENT SPECIFICATION
power_rating_per_characteristic10.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
NSN5961-00-476-4539
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 1N2989B MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
THREAD SERIES DESIGNATOR: UNF
TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG AND 1 THREADED STUD
MATERIAL: SILICON SEMICONDUCTOR
OVERALL WIDTH ACROSS FLATS: 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 30.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
MOUNTING METHOD: THREADED STUD(S)
POWER RATING PER CHARACTERISTIC: 10.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.300 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG AND 1 THREADED STUD
MATERIALSILICON SEMICONDUCTOR
OVERALL WIDTH ACROSS FLATS0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC30.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
MOUNTING METHODTHREADED STUD(S)
POWER RATING PER CHARACTERISTIC10.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS CASE DEGC
CURRENT RATING PER CHARACTERISTIC1.60 AMPERES MAXIMUM PEAK REVERSE SURGE CURRENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
1N2989BInterchangeable
interchangeable cross-reference
interchangeable
VBE890/1N2989BInterchangeable
interchangeable cross-reference
interchangeable
490052Interchangeable
interchangeable cross-reference
interchangeable
10M30Z5Interchangeable
interchangeable cross-reference
interchangeable
418608-16Interchangeable
Same NIIN cross-reference
interchangeable
JANTX1N2989BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N2989B?
1N2989B is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N2989B?
There are 11 known substitutes for 1N2989B: 1N2989B, VBE890/1N2989B, 490052 and 8 more. Substitute compatibility should be verified for your specific system.
Is 1N2989B still available?
1N2989B is currently cancelled.
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