BD139 is designed for use as audio amplifiers and drivers utilizing complementary or quasi complementary circuits. This is NPN power transistor. Complementary low voltage transistor.
Part number : BD139, BC137, BC135
Functions : Complementary Low Voltage Transistor
Package information : SOT-32, TO-126 Pin
Manufacturer : STMicroelectronics, NXP, Fairchild
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.
Absolute maximum ratings
1. Products are pre-selected in DC current gain
2. General purpose
· High current (max. 1.5 A)
· Low voltage (max. 80 V).
Driver stages in hi-fi amplifiers and television circuits.