Looking For Power Resistors – Things To Take Note
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.
It is important for you to know first the basic law of electricity which is the Ohms law before you will decide on a power resistor. Based on the Ohms law, the current that will be going through the resistor is inversely proportional to the resistance, at the same time is also directly proportional to the voltage that you find across it. Heat can be produced by the electric current that will flow through the power resistor. Every time you will think of heat dissipation, this is also another important factor that you should consider every time you will look for a power resistor.
There is one important thing that you need to know first every time you will be looking for a power resistor for your needs. When it comes to looking for a power resistor, you will need to look for one that will be able to endure the heat it will generate without causing any performance reduction and physical damage. The electric current that will be flowing through the power resistor will be able to produce a rise in temperature. The power resistor that you will find should be able to dissipate heat. In addition to that, you need to look for a power resistor that will be able to endure the rising temperature that it will experience.
You need to know that the physical size and the construction of the power resistor will greatly affect its ability to withstand and dissipate heat. You need to take note of this and all the important features of the power resistor that you will choose. You should know how much is the resistance value required by the power resistor. Next thing that you should make sure is that the power resistor should 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. The last thing that you need to do is to look for a power resistor that has the best construction. You need to make sure that you will take note of all these factors in order for you to really choose the best power resistor.