2N4938

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

The 2N4938 is a bipolar transistor array for use in high-speed switching amplifier applications. This device was designed for both high current and low noise requirements. The 2N4938 is constructed from two PNP transistors and two NPN transistors which are connected in an integrated package to provide a single package solution. The 2N4938 has a multi-package solution for different current-gain applications and is ideal for use in high-speed switch circuits.

The 2N4938 array provides a number of advantages over other types of transistors. It is a compact device that can be easily mounted on a printed circuit board and is a low-cost solution for high-speed switching applications. The 2N4938 also has a low on-state resistance, low thermal resistance and a high current-gain bandwidth.

The main application of the 2N4938 is in the switching amplifier. A switching amplifier is a device used to amplify a signal to its maximum value. This device is typically used in audio, video and other circuits to increase the amplification of a signal. The 2N4938 can be used to improve the power efficiency of the switching amplifier.

The working principle of the 2N4938 is based on the biasing of the transistors. It works by applying a bias voltage to the base terminal of each of the transistors. This voltage activates the individual transistors and allows them to work in their linear region. This in turn allows the transistor to operate with maximum current gain. The amount of current gain is dependent on the bias voltage applied.

The 2N4938 operates in a class B amplifier configuration. This configuration reduces the amount of crossover distortion which is a form of signal distortion created when the two transistors cross over from one operating region to another. In the class B amplifier configuration, the bias voltage applied to the two transistors is set in such a way that the transistors take turns in operating, thus avoiding the crossover distortion.

The 2N4938 can also be used in a Darlington pair arrangement. In this arrangement, two transistors are connected in series and share a common emitter. The Darlington configuration increases the current gain available and also increases the input resistance of the device. This is advantageous in some applications as it provides a higher input resistance and a higher gain.

The 2N4938 array is also ideal for use in high-speed switching and switching amplifier circuits. It is capable of operating at frequencies up to 500MHz and can be used in AC applications as well. The 2N4938 is also suitable for use in other applications such as optical isolators, circuit breakers, thyristors and other switching applications.

In conclusion, the 2N4938 is a versatile and useful transistor array for use in high-speed switching and amplifying applications. It provides a cost-effective, low-noise solution for a wide variety of circuit designs and applications. Its versatile nature also allows for use in a number of different configurations, providing designers with a reliable and efficient transistor array for a wide variety of applications.

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