Choosing a replacement transistor with approximately the same current gain is necessary. A power transistor is larger than a normal transistor and is capable of carrying more current without melting or burning the transistor.Īlthough they are slightly different, for all circuit equivalences of this nature these transistor parameters are the same. What is the difference between transistor and power transistor?Ī transistor is a three-terminal semiconducting device. Transistors are broadly divided into three types: bipolar transistors (bipolar junction transistors: BJTs), field-effect transistors (FETs), and insulated-gate bipolar transistors (IGBTs). How many types of power transistors are there? It is a junction transistor, is designed to handle high current and power and also used in audio and switching circuits. Power transistors are suited for application where a lot of power is being used current and voltage. The power transistor is a transistor that used in high power amplifier and power supplies. It is a transistor type of enduring popularity. Its numbering follows the JEDEC standard. It was introduced in the early 1960s by RCA using a hometaxial power transistor process, transitioned to an epitaxial base in the mid-1970s. The 2N3055 is a silicon NPN power transistor intended for general purpose applications. You can download the datasheet of 2N3055 from the link given below: ∗ Pulsed: Pulse duration = 300 µs, duty cycle 1.5 %įor PNP types voltage and current values are negative ■ STMicroelectronics preferred salestypes
It is intended for power switching circuits, series and shunt regulators, output stages and high fidelity amplifiers. The 2N3055 is a silicon Epitaxial-Base Planar NPN transistor mounted in Jedec TO-3 metal case.
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