FZT491ATA Discrete Semiconductor Products

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Classification: Transistors - Bipolar (BJT) - Single

FZT491ATA is a commonly used high gain NPN transistor in modern electronics. It is used in a wide variety of applications, ranging from small, low power devices to large, high power systems. This transistor is also considered to be one of the most reliable and versatile NPN transistors on the market.

The main application of the FZT491ATA is as a switching transistor. This transistor can be used to switch electric current in one direction, while allowing electric current to flow in the opposite direction. This makes it useful for controlling the flow of current in DC circuits. This transistor can also be used in other applications, such as audio amplifiers, voltage followers, amplifier stages, and voltage regulators.

The FZT491ATA also has a relatively high collector-emitter breakdown voltage of 40V and can handle a maximum current that is more than 4A. This makes it an ideal choice for applications where high voltage and current are required. In addition, the FZT491ATA has a relatively low saturation voltage of 0.4V and can operate at a low frequency of up to 1MHz.

The working principle of the FZT491ATA is relatively simple. When electric current is applied to the base, it creates an electric field within the transistor. This electric field will cause electrons to flow from the emitter to the base and ultimately to the collector. As a result, electric current can be controlled by applying a voltage to the base.

In a nutshell, the FZT491ATA is a reliable, versatile, and efficient NPN transistor that is suitable for a wide variety of applications. It has a relatively high collector-emitter breakdown voltage and can handle high currents. In addition, it has a relatively low saturation voltage and can operate at relatively low frequencies. This makes it an ideal choice for many electronics applications.

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