BD139:NPN SILICON TRANSISTORS

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.

Key Features

  • Products are pre-selected in DC current gain
Product Specifications
DescriptionVersionSize
DS1150: Complementary low voltage transistor5.2152 KB
Technical Notes & Articles
DescriptionVersionSize
TN0025: LED balancing circuit with power limit2.389 KB
TN0026: LED balancing circuits2.4113 KB
HW Model & CAD Libraries
DescriptionVersionSize
BD139 PSpice model1.0949 bytes
Sample & Buy
Part NumberPackagePacking TypeUnit Price (US$) *QuantityECCN (EU)ECCN (US)Country of Origin
BD139-16SOT-32Tube0.1331000NECEAR99INDIA
BD139-10SOT-32Tube0.1331000NECEAR99INDIA
BD139SOT-32Tube0.1311000NECEAR99INDIA
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
BD139-16SOT-32IndustrialEcopack1md_ot-wspc-sot-32_tcot-wspc-f715s6c_vers2_sdm_signed.pdf
md_ot-wspc-sot-32_tcot-wspc-f715s6c_vers2_sdm.xml
BD139-10SOT-32IndustrialEcopack1md_ot-wspc-sot-32_tcot-wspc-b715s6c.pdf
md_ot-wspc-sot-32_tcot-wspc-b715s6c.xml
BD139SOT-32IndustrialEcopack1md_ot-wspc-sot-32_tcot-wspc-f715s6c_vers2_sdm_signed.pdf
md_ot-wspc-sot-32_tcot-wspc-f715s6c_vers2_sdm.xml
Complementary low voltage transistor BD136
LED balancing circuit with power limit BD241C
LED balancing circuits MJD31C
LED balancing circuits BD139
md_ot-wspc-sot-32_tcot-wspc-b715s6c.pdf BD139
md_ot-wspc-sot-32_tcot-wspc-b715s6c.xml BD139
md_ot-wspc-sot-32_tcot-wspc-f715s6c_vers2_sdm_signed.pdf BD135
md_ot-wspc-sot-32_tcot-wspc-f715s6c_vers2_sdm.xml BD135