TIP145 Discrete Semiconductor Products

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The TIP145 is a single-diffused medium power NPN transistor used for general purpose switching and amplifier applications. It was the first NPN transistor to use a new manufacturing process called ion implantation. It is a Darlington type, which features a large current gain. The transistor is available in both TO-220 and TO-126 packages.

The TIP145 is a bipolar junction transistor (BJT), which is made up of three layers of semiconductor material. It is a type of current-controlled device, meaning that by controlling the current flowing through the base-emitter junction the current flowing between collector and emitter terminals can be controlled. The traditional bipolar junction transistor has two p-n junctions, which are made up of a layer of p-type semiconductor material sandwiched between two layers of n-type semiconductor material. The TIP145 is a single junction transistor and has only one p-n junction.

The working principle of the TIP145 is based on the basic principles of all bipolar junction transistors. A single-emitter BJT is a current-controlled device, and the current flowing through the collector-emitter junction is proportional to the current flowing through the base. The current gain of the transistor is the ratio between the collector current and the base current and is denoted by the parameter hfe, typically ranging from 20 to 300.

The TIP145 is a medium power transistor and is typically used in circuits designed for power switching and amplifier applications. It can handle a maximum collector current of 3 Amps and a maximum power dissipation of 30 Watts. The TIP145’s large current gain makes it an ideal choice for amplifier applications, as it can amplify small input signals and provide a large output signal. It can also be used in power switching applications such as motor control, relay control, and other applications requiring high power.

The TIP145 is an NPN bipolar junction transistor and is available in both TO-220 and TO-126 packages. It is the world’s first single-diffused NPN transistor to use a new manufacturing process called ion implantation. This has resulted in improved reliability and performance, making the TIP145 a popular choice for switching and amplifier applications.

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