ROX0501M20FNLB

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Through Hole Resistors are the most common type of electrical resistance. Rather than taking up board space on a PCB, they are mounted directly onto the board, held in place with various types of fasteners. The most common type of through hole resistors are simple resistors, also referred to as fixed resistors, which are used to provide a fixed amount of resistance. The ROX0501M20FNLB is one such resistor.

The ROX0501M20FNLB is a metal oxide film resistor with an operating temperature range of -55°C to +155°C. It has a total resistance value of 0.5Ohms and can handle up to 2W of power. Further specifications include a tolerance of 20%, and a power dissipation of 301mW per Watt. These specifications make the ROX0501M20FNLB suitable for a wide range of applications.

The most common application for the ROX0501M20FNLB is for low-voltage signal level control. With its low total resistance value and the ability to handle up to 2W of power, it is well suited to audio applications, particularly in amplifiers. It is also used in control circuits, such as for controlling the speed of a motor. As a low-voltage device, it is often used in automotive electronics, such as ECUs.

The working principle of the ROX0501M20FNLB is fairly straightforward. The metal oxide coating works as a resistor, allowing only a certain amount of electrical current to pass through it. The total resistance value of the resistor is determined by the amount of metal oxide used in the coating. The tolerance defines how closely the true resistance value must match the specified value, with a 20% tolerance implying that the actual resistance must be within 20% of the specified value.

The power dissipation rating is the amount of power that the device can handle without being damaged. In this case, the power dissipation rating is 2W, meaning that the device can handle up to 2 watts of power before it reaches its maximum operating temperature. An increase in power will cause the resistor to increase in temperature, and if the power exceeds the power dissipation rating the device can become damaged.

In conclusion, the ROX0501M20FNLB is a low-voltage metal oxide film resistor with a resistance value of 0.5Ohms and a power dissipation rating of 2 Watts. It is commonly used in audio applications such as amplifiers and control circuits, as well as in automotive electronics. The device works by using its metal oxide coating to resist electrical current, and has a tolerance of 20% to ensure accuracy.

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