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BD139

NPN SILICON TRANSISTORS
  • active Active

These epitaxial planar transistors are mounted in the SOT-32 plastic package. They are designed for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits.

The NPN types are the BD135 and BD139, and the complementary PNP types are the BD136 and BD140.

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Errata Sheet
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Datasheet

Key Features

  • Products are pre-selected in DC current gain

Design Resources

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Technical Documentation

Product Specifications

Description Version Size
pdf
DS1150: Complementary low voltage transistor
5.1 152 KB

Technical Notes & Articles

Description Version Size
pdf
TN0025: LED balancing circuit with power limit
2.3 89 KB
pdf
TN0026: LED balancing circuits
2.4 114 KB

Sample & Buy

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Part Number Marketing StatusPackagePacking TypeAutomotive GradeOrder From STUnit Price (US$)*
@ 1000
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
BD139ActiveSOT-32Tube_-.131Distributor reported inventory date: 2014-04-17
Distributor NameRegionStockMin. order
ARROWOrder NowAMERICA28006000
AVNETOrder NowAMERICA263340
Newark Element14Order NowAMERICA8120
ARROWOrder NowEUROPE500
Farnell Element14Order NowEUROPE42971
RS COMPONENTSOrder NowEUROPE36191
RUTRONIKOrder NowEUROPE834050
DIGIKEYOrder NowWORLDWIDE59321
FUTUREOrder NowWORLDWIDE22031
MOUSEROrder NowWORLDWIDE14371
Ecopack1PDF
XML
BD139-10ActiveSOT-32Tube_-.133Distributor reported inventory date: 2014-04-17
Distributor NameRegionStockMin. order
ARROWOrder NowEUROPE418920
Farnell Element14Order NowEUROPE7431
RS COMPONENTSOrder NowEUROPE485020
RUTRONIKOrder NowEUROPE1120050
Ecopack1PDF
XML
BD139-16ActiveSOT-32Tube_-.133Distributor reported inventory date: 2014-04-17
Distributor NameRegionStockMin. order
ARROWOrder NowAMERICA10006000
ARROWOrder NowEUROPE35050
Farnell Element14Order NowEUROPE51461
RS COMPONENTSOrder NowEUROPE385020
DIGIKEYOrder NowWORLDWIDE85491
MOUSEROrder NowWORLDWIDE49391
Ecopack1PDF
XML

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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