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Technical Data Sheet
SEN 1938 ✓ 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 special_features: HARDNESS CRITICAL PROCESS, end_item_identification: 1440-01-217-2331, nuclear_hardness_critical_feature: HARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-262-6052, 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
SEN 1938
NSN: 5961-01-262-6052
FSC: 5961
CAGE: 13409 — RSM ELECTRON POWER INC (USA)
SPECIFICATIONS
special_featuresHARDNESS CRITICAL PROCESS
end_item_identification1440-01-217-2331
nuclear_hardness_critical_featureHARDENED
NSN5961-01-262-6052
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 SEN 1938 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
TEST DATA DOCUMENT: 19200-12325177 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
NUCLEAR HARDNESS CRITICAL FEATURE: HARDENED
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESHARDNESS CRITICAL PROCESS
END ITEM IDENTIFICATION1440-01-217-2331
TEST DATA DOCUMENT19200-12325177 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
NUCLEAR HARDNESS CRITICAL FEATUREHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
950035Interchangeable
interchangeable cross-reference
interchangeable
SW421Interchangeable
interchangeable cross-reference
interchangeable
SW121Interchangeable
interchangeable cross-reference
interchangeable
668255-11Interchangeable
interchangeable cross-reference
interchangeable
12325177Interchangeable
Same NIIN cross-reference
interchangeable
SPD1014Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SEN 1938?
SEN 1938 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace SEN 1938?
There are 6 known substitutes for SEN 1938: 950035, SW421, SW121 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SEN 1938?
SEN 1938 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-262-6052. This indicates validated use in U.S. government and defense supply chains.
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