FMMT489TC

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The FMMT489TC is a widely used bipolar (BJT) transistor in the complementary small-signal NPN/PNP family. It is manufactured by Toshiba and is widely used in various applications.

The FMMT489TC has an exemplary maximum continuous collector current rating of 200mA and its maximum continuous limit of collector-emitter voltage is 30V. It is a small signal bipolar NPN/PNP transistor. Its special heat-resistant characteristic helps it to remain stable even at high temperatures.

The FMMT489TC is primarily used in switching-mode power supplies and in AC/DC converters. It is also used in audio amplifiers, motor drivers, and in industrial control systems. It is also used in alarm circuits and sensing circuits.

The transistor works on the principle of the transistor action when a small current is induced in the emitter and a large current flow is obtained in the collector. A voltage is then applied between the emitter and the base, and as the current increases, it is amplified and passed on to the collector. This is how BJT works and so is FMMT489TC.

The FMMT489TC is versatile in application and can be used in either of the two configurations i.e. common-emitter or common-base. The common-emitter configuration uses the transistor’s inherent voltage gain properties. The base current is amplified before it can pass to the collector and the emitter. This configuration provides the highest gain among the two.

On the other hand, when using the common-base configuration, current is amplified before it passes to the emitter and base again. This configuration gives an improved input resistance but the voltage gain is relatively low. The FMMT489TC is highly reliable; hence, it is perfect for applications requiring consistent performance.

Due to its simplicity, durability, and high performance, the FMMT489TC is highly preferred for many applications. The fact that it does not require any external components for operation makes it ideal for its use in a wide range of applications. Furthermore, it is energy efficient and does not draw much power. The FMMT489TC is the best choice for various applications such as audio amplifiers, power control, and industrial control applications.

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