Bipolar Transistors, also known as Bipolar Junction Transistors (BJTs), are used for amplifying or switching applications in electronic circuits. These transistors use both electron and hole charge carriers, making them highly efficient for high-gain amplification and fast switching operations. Bipolar transistors are commonly used in audio amplifiers, signal processing, and switching power supplies.

With their ability to handle high currents and voltages, bipolar transistors are essential for applications requiring high performance and reliability. For engineers working with analog signals, bipolar transistors provide the precision and stability needed for optimal signal amplification.