2N1481

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The 2N1481 is a low-power NPN transistor which is commonly used in circuits of limited size and power requirements. Its main area of application is switching and small signal amplification or switching. It is commonly used in circuits like radio, TV and audio equipment, medical equipment and industrial controls.

The 2N1481 is a single bipolar junction transistor (BJT), which is a type of transistor that regulates the flow of current in a circuit. A bipolar junction transistor is composed of three terminals: the base, collector, and emitter. Voltage applied to the base will activate or deactivate the current flow between the collector and emitter. This is also known as amplification.

The working principle of the 2N1481 is that when voltage is applied to the base terminal, electrons flow from the emitter terminal to the base, then to the collector. This creates an electric field, which amplifies the input signal applied to the base. The amplified output signal is then passed on to the collector. This process is commonly known as the transistor action.

In the case of the 2N1481, the transistor is designed with a low power rating, and so is not suitable for use in high voltage or power circuits. It can typically handle a maximum voltage of 50 volts and a maximum current of 500mA. It also has a maximum power dissipation of 1.5W.

The transistor gain of the 2N1481 is in the range of 20-50, which means that a small base current can be used to control a relatively large current through the collector-emitter circuit. This makes it useful for amplification purposes in circuits with limited power requirements.

The 2N1481 is available in a variety of packages such as the TO-39 and TO-3 case. The TO-3 is preferred for higher power applications, while the TO-39 is suited for low-power applications. The 2N1481 also has a high input impedance, so it is ideal for use in high-frequency applications.

To sum up, the 2N1481 is a single bipolar junction transistor which is commonly used in circuits of limited size and power requirements. Its main application is switching, small-signal amplification, and high-frequency computations. Its low-power rating and high input impedance make it an ideal choice for these applications. It is available in various packages including TO-3 and TO-39.

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