Are you planning to work on your new Software project or feel like getting crafty? Whether you are trying to learn some new art or just using the old one, you will need a lot of small components. On every small chip that you see, you will be able to find resistors all over it. You might be using them in your project to light up your LEDs or to control the current flow. Since there are many excellent varieties available in the market, it becomes hard to select which resistor would be the best for you. With the help of utsource, you can now choose the perfect resistor for you without any problems.
While buying resistors online, the first thing you need to know is:
What are resistors?
Resistors are one of the most vital components of your small chips. They control the whole flow of current and keep your electronic devices from burning or having any electrical trouble. The small or big LEDs that you see in daily life are all possible because of the resistors on their back.
Kinds of resistors
Resistors are of different types; they can be classified into two main groups, resistance material, and type of construction.
Resistance material
The kind of stuff used in resistors has a significant impact on how they work. While some elements are useful in some specific projects, there are yet some projects where they might not be so helpful. You can read about some materials used in the manufacturing of resistors:
Wire Wound
It is one of the oldest materials used for making resistors, and they still find applications for them. If you require the perfectly precise resistance for your power applications, you can trust the wire wounds material. They have been known to provide exact resistance and being reliable even at low resistance values.
Carbon Composition Resistors
While the Carbon composition resistors are not too old, they have yet been in the market for a while. You can trust carbon composition resistors to be used in any application where high energy pulses occur. They produce precision of low degree. You can find a range of them at utsource, which you can use in your projects. With a variety of power, tolerance, and resistance, you can purchase for all your dream DIY projects.
Metal and metal oxide
These are some of the most used resistors in today’s world. They are the least influenced by the temperature around them and provide a stable resistance and tolerance for your electronic devices.
For High endurance applications, you can buy them online at utsource in different construction types and other variable properties.
Types of construction
There are three type of structures in resistors, and you can get them online at utsource .
1. Physical Quality Resistor
Like chameleons, these resistors can change their resistance and properties depending upon various factors like light levels, magnetic fields, temperature, etc. These resistors may include varistor, magneto resistor, thermistor, etc.
2. Fixed Resistors
Just as the name implies, these resistors are set in their position, their resistance without taking the temperature, light, etc. into account. If you are going for something fixed and want it never to change, this is the one to go with. It is yet not very much simplified.
3. Variable Resistors
These resistors can be modified, and their resistance can be adjusted according to the need of the project. For example, a potentiometer can fix its resistance using the ramp, which can turn the dial the resistance up or down.
Measuring your resistors
You will see resistance in your electronic devices over and over. There are currently two ways to measure the resistance of your resistors, through the SMD codes or color-coded markers.
Colour coded markers
This technique was first launched in 1920, and you might already be quite familiar with it. Before you buy resistors online, you need to know that there are several colors band painted on the bodies of the resistors. They indicate the tolerance and resistance of the resistors. It is essential to understand the resistors color code if you want to work with them. You will typically see four different color bands on your resistors.
Here is what will help you understand the resistors color code more clearly:
- -The first two bands determine the first digits of the resistance value.
- -The multiplying factor, which gives a resistance value, will be
- -determined by the third band.
- -The fourth band will determine the tolerance value.
All the different colors on the resistors color code correspond to a different number. If you are having trouble understanding it all, you can use a resistance calculator, which will help you land the one that you want. It is essential to calculate the resistance of your resistors every time you are going to use them in your electronic devices. You can find them online at utsource .
Every different project requires different resistance; the color codes will help you calculate your resistance. Please pay close attention and calculate the required resistance before and purchase your resistors according to it.
SMD Codes
While there are big resistors enough to print the bands on it, there are yet tiny ones too. It is not big enough to print them correctly on it or for the user to determine it. Hence, in SMD codes, digital visual codes are printed on the resistors. In Surface Mount Devices, these resistors are very common, and you can read the codes as they are all numerical. If you pay close attention to any modern circuit board, you will be able to notice the resistors are all of the almost the same size. You can use these codes to determine the resistance of your resistor very quickly.
Which resistor is the best for you?
Finally, let’s narrow down all the points that you need to keep in mind while purchasing your new resistor. While you can buy resistors online, you yet need to know which one would be the most perfect for you. Before choosing the one for you, you need to calculate yours:
- -Required resistance
- -Required power rating
Until you have not calculated these two factors, it is almost impossible for you to have the resistor, which works the best for you.
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