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Technical Data Sheet
PartsTable / COMPONENT / RELEASE 0493
RELEASE 0493 ✓ 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, features_provided: HERMETICALLY SEALED CASE, terminal_type_and_quantity: 1 FERRULE, nondefinitive_spec/std_data: 1N21B TYPE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-842-0796, 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
RELEASE 0493
NSN: 5961-00-842-0796
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity1 FERRULE
nondefinitive_spec/std_data1N21B TYPE
NSN5961-00-842-0796
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 RELEASE 0493 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
MATERIAL: SILICON SEMICONDUCTOR
•
TERMINAL TYPE AND QUANTITY: 1 FERRULE
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
NONDEFINITIVE SPEC/STD DATA: 1N21B TYPE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSILICON SEMICONDUCTOR
TERMINAL TYPE AND QUANTITY1 FERRULE
FEATURES PROVIDEDHERMETICALLY SEALED CASE
NONDEFINITIVE SPEC/STD DATA1N21B TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
1900-0001Interchangeable
interchangeable cross-reference
interchangeable
1N21BInterchangeable
interchangeable cross-reference
interchangeable
5M5530-990-01Interchangeable
interchangeable cross-reference
interchangeable
4430015493Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RELEASE 0493?
RELEASE 0493 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace RELEASE 0493?
There are 4 known substitutes for RELEASE 0493: 1900-0001, 1N21B, 5M5530-990-01 and 1 more. Substitute compatibility should be verified for your specific system.
Is RELEASE 0493 still available?
RELEASE 0493 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