When it comes to resistance, there are many types available. For instance, you might be having an electronic schematic that tells you to need to get 100K Ohms resistor. However, when you start buying one, you will find that there are numerous choices that you can use. Some are thick carbon; others have metal films, and so much. Thus, this venture can be frustrating when you do not understand what you need. Here is a guide to use when selecting a resistor.
Start by understating the material that you need. You should note that the resistor can be made using various methods and some that you might find are carbon composition, carbon film, foil resistor, metal fill, thick and thin film, and wire wound. Since they are different, you should also not that they have different properties. Learn the most important lesson about current shunt resistor.
When making the selection, the other important thing is to choose one that has the properties you need. You should note that there are some that will assure you, some can be able to withstand high temperatures, there are those that can be able to withstand high power, and others come cheap. Thus, with all these properties, you should choose the ideal one for you.
Before you choose, you should think of the resistor and the power it needs to dissipate. When you are getting the commodity, as a rule, you should get a resistor that has twice the power rating. What you should note is that the price should not bother you as much. You need to get a cheap resistor you can find and one with the ideal power rating.
Most people wonder the reason there are various types of resistor. The idea is that there are also varies circuits. When you are getting the resistor for sine circuits, you should note that the actual type also matters. Thus, you should take the time to shop for the ideal commodity. All of your question about wirewound resistors will be answered when you follow the link.
However, put in mind that for the most standard circuits then you do not have to worry about the commodity you choose. The thing that should concern you is the resistant value and how this can use power. At the same time, you should note that when you are buying the schematic, then it should be able to tell you of the needed power rating for the resistor and how you can be able to calculate it best as this is something that will save you a lot of stress in the long run.