2N2721

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

A 2N2721 is a bipolar junction transistor (BJT) array, composed of three NPN silicon transistors. It is a device specifically designed to operate in a variety of functions, including linear amplification, switching, and other related applications. The practical working principle of the 2N2721 is fairly simple and relatively easy to understand.

The main idea behind the design of the 2N2721 is to provide a transistor array in a single package. By including three NPN silicon transistors in one package, the user is able to easily connect them in various ways, allowing the 2N2721 to be employed in a variety of functions. Depending on a user’s desired application, the 2N2721 may be used in either its common emitter, common collector, or common base configuration.

The common emitter configuration is generally the most widely used in linear applications. In this configuration, the base of the transistor is connected to the input signal, while the collector is connected to the output and the emitter is connected to ground. This configuration is commonly employed in both voltage and current amplifiers, as it allows for electrons to travel from the emitter to the collector with relative ease.

The common collector configuration is typically used in any circuit that requires amplification of voltage. In this configuration, the collector is connected to the output and the emitter is connected to ground, while the base is connected to the input signal. This configuration allows electrons to travel from the emitter to the base with relative ease, but they must transition to the collector before they can reach the output.

The common base configuration is primarily used in any circuit requiring amplification of current. This configuration differs from the above by having the base connected to either the input signal or the output, while the collector and emitter are connected to ground. Electrons then travel from the emitter to the base with relative ease, allowing a greater current gain than the other two configurations.

In addition to its use in linear applications, the 2N2721 may also be employed in various switching applications. In this regard, the device is capable of operating at high frequency and thus can be used in circuits requiring very rapid switching. The device may also be used in timed control applications, as it can easily handle high inrush currents. Some of the most common switching applications include motor control and electronic logic functions.

Regardless of its specific application, the 2N2721 remains an incredibly versatile device. It’s especially useful for its ability to provide three NPN transistors in a single package, making it ideal for a wide range of circuit implementations. Additionally, its ability to handle high inrush currents makes it a great choice for power management circuits. All in all, the 2N2721 is an invaluable asset for any engineer looking to create a circuit with both linear and switching capabilities.

The specific data is subject to PDF, and the above content is for reference