This section provides an overview for resistor kits as well as their applications and principles. Also, please take a look at the list of 4 resistor kit manufacturers and their company rankings.
Table of Contents
A resistor kit is used for prototyping circuits and conducting experiments.
A resistor kit contain dozens of 2-terminal leaded resistors and chip resistors with resistance values ranging from 0 to 1 MΩ.
Since resistors are used for experimental purposes, 1/4 to 1/8W resistors are preferred for leaded resistors because they are easy to handle in terms of size. This is because they are often used with breadboards for experimental purposes. These sizes are suitable as wattages that can be easily plugged into a breadboard.
A resistor kit is typically packaged in plastic cases that are easily portable.
When using resistor kits for prototyping or experimenting with various types of devices, it is not always necessary to use them indoors on a workbench or in a workable space, but sometimes it is necessary to use them outdoors where experimental facilities are not available.
In such cases, resistor kits are convenient because the minimum required resistor value can be immediately transported.
In addition, for engineers working on design work in factories, there are cases where trouble occurs on the prototype or mass production lines in the factory, and the equipment cannot be transported to the laboratory. This is because the equipment may be very large and for troubleshooting, it is necessary to take countermeasures on the spot and in the situation where the problem that has occurred persists.
In such cases, resistor kits are useful as highly mobile and responsive tools.
The main purpose of resistor kits are to provide a highly mobile environment in which circuit considerations can be performed anywhere.
For the same purpose, there are also capacitor kits for other electronic components, in addition to resistor kits. Furthermore, coil kits are also possible as general-purpose electronic components, but it is not certain if they are commercially available.
Finally, I would like to mention the resistance values of the fixed resistors that make up the resistor kits.
Resistance values of fixed resistors are standardized by ISO, a technical international standardization organization.
The purpose of this standardization is that it is not a good idea to prepare a large number of resistors with different resistance values, considering the production cost. Therefore, resistance values are standardized. The resistance values are then standardized and narrowed down to only those with a specific resistance value by using a numerical value called the E series.
This way, the types of resistors to be produced are narrowed down and mass production becomes possible, thus enabling users to obtain the resistors at a lower price.
There are many series in the E series: E3 series, E6 series, E12 series, E24 series, and so on.
In the case of the E3 series, there are 1.0, 2.2, 4.7, 10, 22, 47, 100, 220, 470, 1K, 2.2K, 4.7K, 10K..., and from 1Ω to 1MΩ, only 19 different resistance values are available.
For example, if you want to prepare 20 resistors of each resistance value, you only need 19 types x 20 resistors = 380 resistors. The compact resistor kits should be able to fit in this space.
*Including some distributors, etc.
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