PartsTable
Technical Data Sheet
IS421 ✓ 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 VALVE-ELECTRONIC is a the manufacturer industrial component. Key specifications include overall_width: 0.850 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN, overall_height: 0.305 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN, overall_length: 0.850 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN, mounting_method: TERMINAL AND UNTHREADED HOLE(S), terminal_length: 0.373 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-468-5901, 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
IS421
NSN: 5961-00-468-5901
FSC: 5961
CAGE: 01295 — TEXAS INSTRUMENTS INCORPORATED (USA)
SPECIFICATIONS
overall_width0.850 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
overall_height0.305 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
overall_length0.850 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
mounting_methodTERMINAL AND UNTHREADED HOLE(S)
terminal_length0.373 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
mounting_facility_quantity4
terminal_type_and_quantity1 TAB, SOLDER LUG AND 2 WIRE HOOK
power_rating_per_characteristic100.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
NSN5961-00-468-5901
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 IS421 MFR OEM VALVE-ELECTRONIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
003043-3Interchangeable
interchangeable cross-reference
interchangeable
40-666-628-01Interchangeable
interchangeable cross-reference
interchangeable
40-666-291Interchangeable
Same NIIN cross-reference
interchangeable
5961-99-037Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is IS421?
IS421 is a VALVE-ELECTRONIC.
What parts can replace IS421?
There are 4 known substitutes for IS421: 003043-3, 40-666-628-01, 40-666-291 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for IS421?
IS421 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-468-5901. This indicates validated use in U.S. government and defense supply chains.
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