CMF5020K000FKRE

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Through Hole Resistors

Through hole resistors, also known as "wirewound resistors", are the most common type of resistor used in most electrical and electronic circuits. CMF5020K000FKRE is an example of a through hole resistor.

Application Field

Through hole resistors are widely used in various applications both in digital and analog circuits. Some of its common uses include loading current sources, providing bias voltages, emulating capacitors, and providing temperature stability. These applications are often combined with other technology such as transistors, lamps, inductors, and circuits. Through hole resistors are also known to provide protection from over-driving and/or over-voltages, as well as providing more uniform electrical and thermal properties compared to other resistor types.

CMF5020K000FKRE specifically is designed to provide reliable over-voltage protection in high-efficiency circuits. It is able to protect against voltage spikes of up to 5.5V. It is used in many applications such as LED backlighting, automotive lighting, AC adapters, and renewable energy applications.

Working Principle

The basic working principle of a through hole resistor is ohmic resistance. This type of resistor produces a voltage drop across its body depending on the current passing through it. This voltage drop is equal to the current multiplied by the resistance value. In other words, the voltage drop is proportional to the amount of current that is applied to the resistor. It is important to note that the voltage drop is also temperature dependent.

In the case of CMF5020K000FKRE, it has a wattage rating of 0.25w, a tolerance of +- 5%, and a resistance value of 0.20 ohms. Its resistance value enables it to protect against voltage spikes and provide reliable over-voltage protection.

Conclusion

Through-hole resistors have been used for many decades and continue to find applications in many different technological fields. CMF5020K000FKRE is an example of a through-hole resistor designed to provide reliable over-voltage protection. It is a low wattage, high temperature tolerant, and low cost resistor which makes it an ideal solution for many applications in the current market.

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