PartsTable
Technical Data Sheet
J2656 ✓ 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEADLESS (SETSCREW), point_style: HALF DOG, point_length: 0.099 INCHES NOMINAL IN, thread_class: 3A A, point_diameter: 0.250 INCHES NOMINAL 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 5961-01-303-5990, 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
J2656
NSN: 5961-01-303-5990
FSC: 5961
CAGE: 17856 — SILICONIX INCORPORATED DIV SILICONIX (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEADLESS (SETSCREW)
point_styleHALF DOG
point_length0.099 INCHES NOMINAL IN
thread_class3A A
point_diameter0.250 INCHES NOMINAL IN
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
point_chamfer_angle90.0 DEGREES MINIMUM AND 120.0 DEGREES MAXIMUM
internal_drive_styleW/O INTERNAL DRIVE
end_item_identificationDOOR, ACTF EL
nominal_thread_diameter0.375 INCHES IN
NSN5961-01-303-5990
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 J2656 MFR OEM TRANSISTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
173241Interchangeable
interchangeable cross-reference
interchangeable
173242Interchangeable
interchangeable cross-reference
interchangeable
588-7666739 ITEM 29Interchangeable
interchangeable cross-reference
interchangeable
J2656Interchangeable
interchangeable cross-reference
interchangeable
J2656C06HD12G4Interchangeable
interchangeable cross-reference
interchangeable
SX53025Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J2656?
J2656 is a TRANSISTOR.
What parts can replace J2656?
There are 6 known substitutes for J2656: 173241, 173242, 588-7666739 ITEM 29 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for J2656?
J2656 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-303-5990. This indicates validated use in U.S. government and defense supply chains.
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