2SD21390PA Discrete Semiconductor Products

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

2SD21390PA is a type of bipolar junction transistor (BJT). It is often used for low-power applications such as switching audio and video signals. This PNP transistor is usually used in circuits where the desired effect of amplification or switching is required.

Working Principle

2SD21390PA works on the basic principle of BJT. When the base of this transistor is connected to the ground and a voltage is applied to the emitter-collector junction it will cause the electrons to flow from emitter to collector. This flow of electrons is the principle on which this transistor works. The current flow is regulated by the base current, which is supplied by the voltage applied to the base of the transistor. This causes the current to flow in one direction only, which is known as unipolar or monotransistor.

Application Field

2SD21390PA is used in a wide range of applications due to its small size and low power consumption. It is commonly used for signal switching, such as audio signal switching, video signal switching, data signal switching, and many other signal types. It is also used for amplification, as it can be used to increase signal level without increasing power consumption. This makes it ideal for small signal applications. Additionally, due to its low power consumption and small size it is often used in portable devices that require minimal power.

2SD21390PA is also used in commercial electronics, such as TV and radio. It is used in transducers, amplifiers, and other audio components, as well as in logic circuits, where it is often used to control the flow of data and signals. This transistor is also found in the joystick circuits of many game consoles, where it is used to control the direction of the joystick.

Overall, 2SD21390PA is a versatile and highly utilized transistor due to its small size, low power consumption and excellent performance. As such, it is often used in a wide variety of applications and is an essential component of many electronic circuits.

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