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Through Hole Resistors

Through hole resistors are a type of resistor with a metallic, cylindrical enclosed body. They are composed of a resistive element that is usually made of carbon and two metal terminals for electrical connection. Unlike surface mount resistors, they have an added advantage of being able to dissipate more power.

The FMP300JB-52-1K2 is a through hole resistance type, designed for automotive and telecommunication applications. It has a rated power of 300mW and a resistance of 500ohm up to one kilo-ohm.

Application Field

The FMP300JB-52-1K2 through hole resistor is mainly used in in-feed and return circuits of automotive systems for sensor circuits and telecommunication applications. It generally features a robust construction that is highly suitable for building circuits in automotive and consumer electronics. In addition, it has a power rating of 300mW which is more than double the rating of a chip resistor, making it possible to be used in higher power circuits.

Another key application of FMP300JB-52-1K2 are its widely used in voltage divider circuits to limit the amount of current passing through a circuit. Such applications are responsible for limiting the outrush current drawn from the system and can help to reduce the stress to the semiconductor device. As such, it can help to protect other components, such as transformers, from being damaged by excessive current flow.

Working Principle

The FMP300JB-52-1K2 through hole resistor works on the principle of Ohm\'s law, which states that the current flowing through a resistor is inversely proportional to the resistance. This means that the higher the resistance, the lower the amount of current that can flow through the device. The FMP300JB-52-1K2 is designed with an adjustable resistance range, allowing it to be coupled with other discrete components to provide precise control over the current passing through the device.

The FMP300JB-52-1K2 also features a heat sink design which helps to draw off the heat generated by the resistor. This allows for a more reliable operation and helps to provide a longer lifespan for the device. The heat sink also helps to reduce the losses associated with resistive heating.

The FMP300JB-52-1K2 is also designed with a flame barrier which helps to prevent potential fires caused by short-circuiting in the event of accidental mishandling. The flame barrier also ensures that the damage is contained to the surrounding components, preventing the spread of fire to other parts of the system.

Overall, the FMP300JB-52-1K2 through hole resistor is an excellent component for automotive and telecommunication applications. Its adjustable resistance range, robust construction, and flame barrier make it a reliable device for higher power circuits. In addition, its heat sink design and flame barrier help to provide a longer lifespan and reduce the losses associated with resistive heating.

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