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Technical Data Sheet
MB2638 ✓ 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: 0.165 INCHES MAXIMUM IN, mounting_method: TERMINAL, special_features: NUCLEAR HARDNESS CRITICAL AND ELECROSTATIC DISCHARGE SENSITIVE ITEM, features_provided: HERMETICALLY SEALED CASE, terminal_type_and_quantity: 2 UNINSULATED WIRE LEAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-236-4452, 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
MB2638
NSN: 5961-01-236-4452
FSC: 5961
CAGE: 14552 — MICROSEMI CORPORATION (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
overall_length0.165 INCHES MAXIMUM IN
mounting_methodTERMINAL
special_featuresNUCLEAR HARDNESS CRITICAL AND ELECROSTATIC DISCHARGE SENSITIVE ITEM
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
nuclear_hardness_critical_featureHARDENED
voltage_rating_in_volts_per_characteristic600.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
NSN5961-01-236-4452
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 MB2638 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
NUCLEAR HARDNESS CRITICAL FEATURE: HARDENED
FEATURES PROVIDED: HERMETICALLY SEALED CASE
MATERIAL: SILICON SEMICONDUCTOR
MOUNTING METHOD: TERMINAL
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 600.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
NUCLEAR HARDNESS CRITICAL FEATUREHARDENED
FEATURES PROVIDEDHERMETICALLY SEALED CASE
MATERIALSILICON SEMICONDUCTOR
MOUNTING METHODTERMINAL
OVERALL LENGTH0.165 INCHES MAXIMUM IN
SPECIAL FEATURESNUCLEAR HARDNESS CRITICAL AND ELECROSTATIC DISCHARGE SENSITIVE ITEM
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC600.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
MATERIALGLASS ENCLOSURE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1N5618Interchangeable
interchangeable cross-reference
interchangeable
5152089-1Interchangeable
interchangeable cross-reference
interchangeable
280-20042-107Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MB2638?
MB2638 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace MB2638?
There are 3 known substitutes for MB2638: 1N5618, 5152089-1, 280-20042-107. Substitute compatibility should be verified for your specific system.
What is the NSN for MB2638?
MB2638 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-236-4452. This indicates validated use in U.S. government and defense supply chains.
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