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Things That You Need To Know About Choosing Power Resistors

Power resistors are being used in a lot of different applications. Among the most common use of these power resistors are the simple ones like the power supplies to the more complex ones like the sonar and radar, and many more military systems. Even if you will easily find a power resistor that will be perfect for all your needs and applications, you need to always take note on a number of important things every time you will be looking for the right power resistor. This article will be able to learn some of the things that you should consider when it comes to looking for a power resistor.

Before you will buy a power resistor, you need to know the basic law of electricity which is the Ohms law. The Ohms law explains how the current that will go through the resistor as inversely proportional to the resistance, it is also directly proportional to the voltage that you will find across it. Heat can be produced by the electric current that will flow through the power resistor. Another important factor that you should take note of every time you will be looking for a power resistor is the idea of heat dissipation.

You need to take note of one thing first every time you will be looking for a power resistor for your application. You will need to look for a power resistor that will be able to endure the heat that it will produce without any damages and reduction on its performance every time you will choose a power resistor. The electric current that will flow through the power resistor will be able to increase the temperature of the resistor. You must look for a resistor that will be able to dissipate the heat. It is also important for you to choose a power resistor that will be able to endure the rise in temperature that it will experience.

The ability of the power resistor to endure and dissipate heat is greatly affected by its construction as well as its physical size. You should always take note of this as well as the other important features of the power resistor that you will be choosing. You should know how much is the resistance value required by the power resistor. You also need to look for a power resistor that can dissipate watts. You will also need to consider the physical size of the power resistor in regards to the watts dissipation, maximum temperature, mounting and environmental conditions, and volts. And lastly, you will need to make sure that the power resistor is properly constructed. In order for you to get the best power resistor, you will really need to consider all of these factors.

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