ST Life.augmented

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.

pdf Please read
Errata Sheet
pdf Download
Datasheet

Key Features

  • Products are pre-selected in DC current gain

Design Resources

Top

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

Top
Part Number Marketing StatusPackagePacking TypeAutomotive GradeOrder From STUnit Price (US$)*
@ 1000
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
BD139ActiveSOT-32Tube_-.131Distributor reported inventory date: 2015-04-28
Distributor NameRegionStockMin. order
ARROWOrder NowAMERICA15502000
AVNETOrder NowAMERICA89350
Newark Element14Order NowAMERICA1760
ANGLIA LiveOrder NowEUROPE4750050
ARROWOrder NowEUROPE43990
Farnell Element14Order NowEUROPE69631
RS COMPONENTSOrder NowEUROPE31621
RUTRONIKOrder NowEUROPE2994050
DIGIKEYOrder NowWORLDWIDE46901
FUTUREOrder NowWORLDWIDE43501
MOUSEROrder NowWORLDWIDE75111
Ecopack1-
BD139-10ActiveSOT-32Tube_-.133Distributor reported inventory date: 2015-04-28
Distributor NameRegionStockMin. order
ARROWOrder NowEUROPE165170
Farnell Element14Order NowEUROPE22101
RS COMPONENTSOrder NowEUROPE529920
RUTRONIKOrder NowEUROPE460050
DIGIKEYOrder NowWORLDWIDE1501
Ecopack1-
BD139-16ActiveSOT-32Tube_-.133Distributor reported inventory date: 2015-04-28
Distributor NameRegionStockMin. order
ARROWOrder NowAMERICA18502000
ARROWOrder NowEUROPE235850
Farnell Element14Order NowEUROPE16111
RS COMPONENTSOrder NowEUROPE572020
RUTRONIKOrder NowEUROPE355050
DIGIKEYOrder NowWORLDWIDE79271
MOUSEROrder NowWORLDWIDE32851
Ecopack1-

(*) 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.
Feedback Form
Customer Feedback