PartsTable
Technical Data Sheet
2N3057A ✓ 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: 0.060 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN, features_provided: HERMETICALLY SEALED CASE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-173-3232, 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
2N3057A
NSN: 5961-00-173-3232
FSC: 5961
CAGE: 07263 — FAIRCHILD SEMICONDUCTOR CORP (USA)
SPECIFICATIONS
overall_length0.060 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-PRF-19500/391 GOVERNMENT SPECIFICATION
power_rating_per_characteristic5.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
NSN5961-00-173-3232
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 2N3057A MFR OEM TRANSISTOR
KEY FEATURES
POWER RATING PER CHARACTERISTIC: 1.8 WATTS MAXIMUM TOTAL POWER DISSIPATION
SEMICONDUCTOR MATERIAL: SILICON
OVERALL DIAMETER: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS JUNCTION DEGC
TERMINAL LENGTH: 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA: 81349-MIL-PRF-19500/391 GOVERNMENT SPECIFICATION
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TECHNICAL CHARACTERISTICS (FLIS)
POWER RATING PER CHARACTERISTIC1.8 WATTS MAXIMUM TOTAL POWER DISSIPATION
SEMICONDUCTOR MATERIALSILICON
OVERALL DIAMETER0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS JUNCTION DEGC
TERMINAL LENGTH0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA81349-MIL-PRF-19500/391 GOVERNMENT SPECIFICATION
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
FEATURES PROVIDEDHERMETICALLY SEALED CASE
CURRENT RATING PER CHARACTERISTIC1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
28463-31018Interchangeable
interchangeable cross-reference
interchangeable
JAN2N3700Interchangeable
interchangeable cross-reference
interchangeable
5961004337025Interchangeable
interchangeable cross-reference
interchangeable
947307-191Interchangeable
interchangeable cross-reference
interchangeable
05-990032Interchangeable
interchangeable cross-reference
interchangeable
848145-0001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N3057A?
2N3057A is a TRANSISTOR.
What parts can replace 2N3057A?
There are 26 known substitutes for 2N3057A: 28463-31018, JAN2N3700, 5961004337025 and 23 more. Substitute compatibility should be verified for your specific system.
Is 2N3057A still available?
2N3057A is currently cancelled.
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