FZT757TC

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The FZT757TC is a type of transistor that is part of the Single Bipolar Junction Transistor (BJT) category. It is a three-terminal small-signal NPN transistor, optimised for linear applications, where good linearity over a large range of frequencies is essential. This transistor is suitable for low-cost amplifiers which require good linearity over a wide range of input signals, such as television sets, automotive audio amplifiers, and other small-signal systems.

This device is a complete monolithic transistors, consisting of the basic components such as the collector, emitter, and base terminals. It also contains an integrated high-speed switch, allowing it to be used in applications that require quick on/off switching, such as position sensors and audio switches. The FZT757TC provides high-current gain, low-voltage stability, and a wide range of breakdown voltages.

The FZT757TC has a maximum DC current gain of 200. This can be decreased by limiting the base-collector voltage, or by increasing the charge on the collector-base junction. This device also features low noise operation, high reliability, and excellent temperature stability. Its maximum collector-emitter saturation voltage is between 0.2 and 0.4 volts.

The FZT757TC’s working principle is relatively simple. When a voltage is applied to the base terminal, current is amplified across the other two terminals. This occurs when the base-emitter junction is forward-biased, allowing electrons to flow from the emitter to the base. This creates a larger current to the collector-base junction, which creates an amplified current across the collector-emitter junction. This process is called transistor action.

The FZT757TC is mainly used in linear small-signal applications, such as amplifiers, position sensors, audio switches, and other low-cost systems that require good linearity over a wide range of signal inputs. Its superior high-frequency linearity and stability make it perfect for these types of applications, making it an excellent choice for automotive audio amplifiers and television sets.

Overall, the FZT757TC is an excellent choice for linear small-signal applications. Its superior high-current gain, low-voltage stability, and wide range of breakdown voltages make it perfect for a variety of low-cost systems. Moreover, its easy switching of high-frequency linearity and reliability make it an ideal choice for automotive audio amplifiers and television sets.

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