UNR212200L Discrete Semiconductor Products

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The UNR212200L is a single, pre-biased bipolar junction transistor (BJT) with many applications and a straightforward working principle. In this article, we’ll learn about the transistor’s working principle and its most common applications.

A bipolar junction transistor is a three-terminal semiconductor device consisting of two p-n junctions. The UNR212200L has an emitter, a base, and a collector. It is a specified device, with a rated maximum collector-emitter voltage of 200V, a maximum collector current of 2A, a maximum power dissipation of 800mW, and a minimum transition frequency of 50MHz.

The transistor works by allowing an electrical current to flow between its collector and emitter terminals. To make the current flow, a voltage must be applied to the base terminal. This voltage is known as the base-emitter voltage. When the base-emitter voltage exceeds a pre-determined level, a current will flow from the collector to the emitter, reducing the voltage across the collector-emitter and thus reducing the base-emitter voltage. This is known as a regenerative feedback action and is the working principle of the transistor.

The UNR212200L is a pre-biased BJT, meaning the device already has a voltage applied between the base and emitter above the base-emitter threshold. This allows the transistor to switch with a lower drive current and can increase the switching speed and system efficiency. The transistor has common applications such as:

• High-efficiency audio amplifiers
• High-frequency satellite signal amplifiers
• Broadcasting receivers
• Organic light-emitting diode (OLED) backlight drivers

The UNR212200L is a reliable and cost-effective pre-biased BJT. It is easy to use, with a straightforward working principle and many applications. With its high power-handling capabilities, it is an ideal solution for many audio and signal amplifier applications.

In conclusion, the UNR212200L transistor is a single, pre-biased, bipolar junction transistor with many applications and a straightforward working principle. It offers high power-handling capabilities with a simple and efficient design, making it a popular option for many audio and signal amplifier applications.

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