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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: 2014-08-21
Distributor NameRegionStockMin. order
ARROWOrder NowAMERICA16506000
AVNETOrder NowAMERICA237260
Newark Element14Order NowAMERICA38480
ANGLIA LiveOrder NowEUROPE5495050
ARROWOrder NowEUROPE185320
Farnell Element14Order NowEUROPE34611
RS COMPONENTSOrder NowEUROPE29601
RUTRONIKOrder NowEUROPE1449050
DIGIKEYOrder NowWORLDWIDE54561
FUTUREOrder NowWORLDWIDE58431
MOUSEROrder NowWORLDWIDE60021
Ecopack1PDF
XML
BD139-10ActiveSOT-32Tube_-.133Distributor reported inventory date: 2014-08-21
Distributor NameRegionStockMin. order
ARROWOrder NowEUROPE357370
Farnell Element14Order NowEUROPE13131
RS COMPONENTSOrder NowEUROPE283020
RUTRONIKOrder NowEUROPE925050
Ecopack1PDF
XML
BD139-16ActiveSOT-32Tube_-.133Distributor reported inventory date: 2014-08-21
Distributor NameRegionStockMin. order
ARROWOrder NowAMERICA4006000
ARROWOrder NowEUROPE923050
Farnell Element14Order NowEUROPE32221
RS COMPONENTSOrder NowEUROPE342020
RUTRONIKOrder NowEUROPE580050
DIGIKEYOrder NowWORLDWIDE84451
MOUSEROrder NowWORLDWIDE46091
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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