TIP126TU

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The TIP126TU is a single, NPN type bipolar junction transistor (BJT) designed for use in high power switching and linear amplifying applications. It is housed in a TO-220 package and features an impressive 400V breakdown voltage and 5A collector-emitter saturation current rating.

More specifically, the TIP126TU is a NPN Darlington transistor consisting of two NPN BJT connected in series. This transistor is particularly well-suited for use in power management circuits, including inverters, converters, and ES fly-back circuits. It is also widely used in amplifier circuits, motor drive circuits, and other high current applications.

The TIP126TU’s working principle is based on the properties of a BJT. A BJT is like a "sandwich" of three layers of semiconductor material: base, collector, and emitter. As current flows through the base-emitter junction, a tiny current (known as the base current) is amplified and can control the larger current that flows from the collector to the emitter.

The voltage at the base terminal decides the amount of current amplification and is known as the ‘transistor action’ or ‘gain’ of the transistor. This gain can be adjusted by varying the base voltage with the help of the external bias circuit. This, in turn, controls the output current and voltage of the transistor, making it just the right choice for power management and amplifier circuits.

The TIP126TU’s built-in thermal protection prevents the circuit from overheating. It also features an anti-saturation impedance and a self-biasing circuit for improved reliability and stability. This makes it ideal for applications requiring high power, high current, and high voltage.

Compared to other transistors, the TIP126TU offers superior performance and reliability at an affordable price. And, with its TO-220 package, it can easily be integrated into compact designs. Thanks to its wide range of features and benefits, the TIP126TU is quickly becoming a popular choice for high power switching and linear amplifying applications.

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