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Technical Data Sheet
357139 ✓ 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: 0.700 INCHES NOMINAL IN, overall_height: 0.295 INCHES MINIMUM IN, overall_length: 1.252 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.360 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 5961-00-431-6829, 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
357139
NSN: 5961-00-431-6829
FSC: 5961
CAGE: 25778 — SIERRA TECHNOLOGIES INC GARDEN CITY DIV (USA)
SPECIFICATIONS
overall_width0.700 INCHES NOMINAL IN
overall_height0.295 INCHES MINIMUM IN
overall_length1.252 INCHES MAXIMUM IN
transfer_ratio25.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER AND 100.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
mounting_methodTERMINAL
terminal_length0.360 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_type_and_quantity2 PIN AND 1 CASE
power_rating_per_characteristic29.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
NSN5961-00-431-6829
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 357139 MFR OEM TRANSISTOR
KEY FEATURES
TERMINAL LENGTH: 0.360 INCHES MAXIMUM IN
SEMICONDUCTOR MATERIAL: SILICON
INTERNAL CONFIGURATION: JUNCTION CONTACT
CURRENT RATING PER CHARACTERISTIC: 4.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
POWER RATING PER CHARACTERISTIC: 29.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL LENGTH0.360 INCHES MAXIMUM IN
OVERALL LENGTH1.252 INCHES MAXIMUM IN
SEMICONDUCTOR MATERIALSILICON
INTERNAL CONFIGURATIONJUNCTION CONTACT
CURRENT RATING PER CHARACTERISTIC4.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
POWER RATING PER CHARACTERISTIC29.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC40.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 1.5 MAXIMUM COLLECTOR TO EMITTER SATURATION VOLTAGE
OVERALL HEIGHT0.295 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
40250Interchangeable
interchangeable cross-reference
interchangeable
08231SPLInterchangeable
interchangeable cross-reference
interchangeable
940.85.48.119Interchangeable
interchangeable cross-reference
interchangeable
300482A4Interchangeable
interchangeable cross-reference
interchangeable
WS1001Interchangeable
interchangeable cross-reference
interchangeable
40250AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 357139?
357139 is a TRANSISTOR.
What parts can replace 357139?
There are 19 known substitutes for 357139: 40250, 08231SPL, 940.85.48.119 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 357139?
357139 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-431-6829. This indicates validated use in U.S. government and defense supply chains.
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