PartsTable
Technical Data Sheet
407257-1-C ✓ 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 overall_width: 0.387 INCHES NOMINAL IN, overall_height: 0.236 INCHES NOMINAL IN, overall_length: 0.905 INCHES NOMINAL IN, mounting_method: PRESS FIT, special_features: JUNCTION PATTERN ARRANGEMENT: NPN, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-346-3957, 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
407257-1-C
NSN: 5961-01-346-3957
FSC: 5961
CAGE: 20284 — AIMTRON SYSTEMS, LLC (USA)
SPECIFICATIONS
overall_width0.387 INCHES NOMINAL IN
overall_height0.236 INCHES NOMINAL IN
overall_length0.905 INCHES NOMINAL IN
mounting_methodPRESS FIT
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
end_item_identificationN/FRN-43 & 45
terminal_type_and_quantity4 RIBBON
power_rating_per_characteristic250.0 WATTS MINIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic40.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
NSN5961-01-346-3957
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 407257-1-C MFR OEM TRANSISTOR
KEY FEATURES
SEMICONDUCTOR MATERIAL: SILICON
MOUNTING METHOD: PRESS FIT
CURRENT RATING PER CHARACTERISTIC: 40.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
TERMINAL TYPE AND QUANTITY: 4 RIBBON
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 65.0 MINIMUM BREAKDOWN VOLTAGE, DC
POWER RATING PER CHARACTERISTIC: 250.0 WATTS MINIMUM TOTAL POWER DISSIPATION
TECHNICAL CHARACTERISTICS (FLIS)
SEMICONDUCTOR MATERIALSILICON
MOUNTING METHODPRESS FIT
OVERALL HEIGHT0.236 INCHES NOMINAL IN
CURRENT RATING PER CHARACTERISTIC40.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
TERMINAL TYPE AND QUANTITY4 RIBBON
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC65.0 MINIMUM BREAKDOWN VOLTAGE, DC
POWER RATING PER CHARACTERISTIC250.0 WATTS MINIMUM TOTAL POWER DISSIPATION
OVERALL LENGTH0.905 INCHES NOMINAL IN
OVERALL WIDTH0.387 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
407257-1-AInterchangeable
interchangeable cross-reference
interchangeable
SD8250 (GENERIC)Interchangeable
interchangeable cross-reference
interchangeable
64044Interchangeable
interchangeable cross-reference
interchangeable
407257-1-DInterchangeable
interchangeable cross-reference
interchangeable
407257-1Interchangeable
interchangeable cross-reference
interchangeable
MX0912B350YSInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 407257-1-C?
407257-1-C is a TRANSISTOR.
What parts can replace 407257-1-C?
There are 6 known substitutes for 407257-1-C: 407257-1-A, SD8250 (GENERIC), 64044 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 407257-1-C?
407257-1-C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-346-3957. This indicates validated use in U.S. government and defense supply chains.
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