FMMT497TA Discrete Semiconductor Products

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The FMMT497TA is a PNP transistor, often used in amplifier and switching applications. It has a wide range of uses due to its maximum current rating of 250mA, a collector-base breakdown voltage of 50V and a collector-emitter breakdown voltage of 30V.

The FMMT497TA is a general-purpose transistor, with other main features including a gain-bandwidth product of 150MHz and a 0.33V E-B junction voltage drop. Although it can be used in various other applications, it is most commonly used for amplifying signals, driving LEDs and for load-switching circuits.

In an amplifying application, the FMMT497TA is used to increase a small signal from a source, such as a microphone or an antenna, to a level that can then be used by other components. It works by having electrons move from the input to the output, creating a current flow. As the collector current increases, the voltage across the transistor also increases, allowing it to operate as an amplifier. The gain of the transistor depends on the ratio of the collector current to the base current.

When driving LEDs, the FMMT497TA is used to switch a large current on and off using a low-power control source. This is done by connecting the transistor to a current sink, such as a battery or power supply. When the base voltage is increased, current will flow through the transistor, causing the LED to be illuminated. When the base voltage is decreased, the LED will turn off.

In a load-switching circuit, the FMMT497Ta is used to switch an electrical load on and off using a low-power control source. The transistor is connected to a load, such as a motor or relay, and a control source, such as a timer. When the base voltage is increased, current will flow through the transistor, causing the load to be turned on. When the base voltage is decreased, the load will be turned off.

The FMMT497TA is a easy-to-use and versatile transistor, which makes it suitable for a wide range of applications, including amplifying signals, driving LEDs and load-switching. Due to its maximum current rating, high-gain bandwidth and low-voltage drop junction, it is an ideal choice for many applications.

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