PartsTable
Technical Data Sheet
2557745-2 ✓ 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_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, mounting_method: TERMINAL, overall_diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN, special_features: MAXIMUM RISE TIME 10.0 MICROSECONDS; JUNCTION PATTERN ARRANGEMENT: PN US, features_provided: BURN IN, precious_material: GOLD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-351-8717, 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
2557745-2
NSN: 5961-00-351-8717
FSC: 5961
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
overall_length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
mounting_methodTERMINAL
overall_diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
special_featuresMAXIMUM RISE TIME 10.0 MICROSECONDS; JUNCTION PATTERN ARRANGEMENT: PN US
features_providedBURN IN
precious_materialGOLD
internal_configurationUNIJUNCTION
semiconductor_materialSILICON
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
precious_material_and_locationTERMINAL SURFACES GOLD
power_rating_per_characteristic600.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic70.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, RMS VALUE OF ALTERNATION COMPONENT AND 2.00 MICROAMPERES MAXIMUM EMITTER REVERSE CURRENT
NSN5961-00-351-8717
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 2557745-2 MFR OEM TRANSISTOR
KEY FEATURES
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
OVERALL DIAMETER: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
TEST DATA DOCUMENT: 10001-2557745 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)
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 60.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC
INTERNAL CONFIGURATION: UNIJUNCTION
MOUNTING METHOD: TERMINAL
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS JUNCTION DEGC
POWER RATING PER CHARACTERISTIC: 600.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
OVERALL DIAMETER0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
TEST DATA DOCUMENT10001-2557745 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)
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC60.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC
INTERNAL CONFIGURATIONUNIJUNCTION
MOUNTING METHODTERMINAL
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS JUNCTION DEGC
POWER RATING PER CHARACTERISTIC600.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
SEMICONDUCTOR MATERIALSILICON
FEATURES PROVIDEDBURN IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
MIL-S-19500/75Interchangeable
interchangeable cross-reference
interchangeable
JANTX2N494AInterchangeable
interchangeable cross-reference
interchangeable
00871-2297-0001Interchangeable
interchangeable cross-reference
interchangeable
C09650-0001Interchangeable
interchangeable cross-reference
interchangeable
8880300013-1Interchangeable
interchangeable cross-reference
interchangeable
7531472P0001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2557745-2?
2557745-2 is a TRANSISTOR.
What parts can replace 2557745-2?
There are 21 known substitutes for 2557745-2: MIL-S-19500/75, JANTX2N494A, 00871-2297-0001 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2557745-2?
2557745-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-351-8717. This indicates validated use in U.S. government and defense supply chains.
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