CMF553K7000BHBF

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Through Hole Resistors

Through Hole Resistors are one of the most indispensable components used in modern circuit boards, providing a high degree of flexibility and stability to electronic systems. The CMF553K7000BHBF is a specific type of through hole resistor that is characterized by its high precision and excellent thermal performance. This type of resistor provides excellent protection against shorts and static electricity, making them highly effective in a wide variety of applications.

Application fields of CMF553K7000BHBF

The CMF553K7000BHBF through hole resistor is commonly used in high power and high voltage applications due to its excellent thermal performance. Its temperature coefficient of resistance (TCR) is very low, meaning that the device is capable of maintaining a consistent resistance value despite changes in temperature. This makes the CMF553K7000BHBF ideal for use in high current applications such as High Voltage DC-DC converters, motor controllers, igniter circuits, power amplifiers, and other applications requiring an impedance matched pair.

The CMF553K7000BHBF is also featured in automotive applications such as vehicle breakers, engine control modules, and fuel system electronics. Its low tolerance to environmental changes, high power resistor capability, and high temperature resistance make it ideal for a variety of automotive applications.

The CMF553K7000BHBF is also used in military, aerospace, and commercial communications systems. It is capable of withstanding high levels of vibration, extreme environmental conditions, as well as temperature changes. This makes it perfect for use in these highly specialized applications.

Working principle of CMF553K7000BHBF

The CMF553K7000BHBF is a through hole resistor which utilizes a metal-film, soldered onto a printed circuit board (PCB). The metal-film is created using thin layers of materials such as molybdenum, tungsten, or platinum. Such materials allow the CMF553K7000BHBF to operate at temperatures up to 200°C, offering excellent thermal performance.

The thin metal-film acts as the resistor’s resistance element, allowing a consistent flow of current through the resistor when a voltage is applied. The CMF553K7000BHBF’s resistance element also incorporates a low temperature coefficient of resistance (TCR) - meaning that the resistor is capable of maintaining its initial resistance value despite changes in ambient temperature.

The CMF553K7000BHBF also features a high voltage (HV) breakdown protection system which prevents internal shorts from occurring due to overvoltage. This system employs a metal-oxide varistor (MOV) which is designed to continuously monitor the voltage across the resistor, and will rapidly dissipate any additional electrical energy if the voltage rises beyond a certain threshold.

Conclusion

The CMF553K7000BHBF through hole resistor is a highly reliable device, offering excellent thermal performance and high current capability. It is suitable for use in a diverse range of applications, including automotive, military, aerospace, communication, and industrial applications. The CMF553K7000BHBF operates through intrinsic metal-film resistance and is characterized by its low temperature coefficient of resistance (TCR), high voltage (HV) breakdown protection, and excellent thermal performance.

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