CR75-220KC Inductors, Coils, Chokes

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Fixed inductors are devices with wide application in electrical components. They are used in various electrical and electronic applications, ranging from power control systems and large-scale industrial machines to consumer-grade electronic products. One particular type of fixed inductor, the CR75-220KC, is an excellent device for both commercial and hobbyist applications. In this article, we will explore the fields of application of the CR75-220KC and its working principle.

Application Fields of CR75-220KC

The CR75-220KC is commonly used as a low loss, wide band ferrite chip inductor in electronic products. It has a wide operating temperature range of -40°C to +125°C. The product features stable performance under high temperature and anti-moisture properties. It has a high capacitance-to-resistance ratio which provides excellent performance in the areas of power supply and signal noise reduction. The CR75-220KC is suitable for use in a range of electronic devices, including A/V receivers, amplifiers, PWM motor drives, and power supplies.

The CR75-220KC is also commonly used in consumer electronics, such as personal computers, mobile phones, radios and digital video players. It is used for power filtering, line impedances isolating, MHz range signal attenuating and pulse frequency equalizing. This fixed inductor is also widely used in automotive electronics, developing charging and power delivery systems for electric vehicles.

Working Principle of the CR75-220KC

The CR75-220KC is a ferrite chip inductor, with a core made of a special material such as yttrium iron garnet (YIG). This ferrite material has high permeability which allows it to store and transfer substantial amounts of magnetic flux. The inductor consists of a number of layers of this material, commonly referred to as “turns”.

The ferrite chip inductor works by creating an inductive voltage drop across the inductor when an alternating current (AC) is applied. This voltage drop produces an electromagnetic field which is proportional to the current passing through the turns of the inductor. As the alternating current increases, so does the voltage drop and the amount of electromagnetic field created. This leads to increased inductive impedance, meaning that a greater amount of power is required to overcome the increased impedance.

The CR75-220KC has a rated inductance of 75nH to 220nH and high Q-factor. The Q-factor is a measure of the inductor’s ability to store and transfer energy. A high Q-factor indicates that the inductor is capable of storing and transferring large amounts of energy with minimal power loss.

Conclusion

The CR75-220KC is a versatile ferrite chip inductor with wide application in power control and audio/video systems, consumer electronics, and automotive electronics. Its low-loss, wide-band operation and high Q-factor make it an ideal choice for a range of electronic products. Its working principle is based on the creation of an inductive voltage drop across the inductor, which produces an electromagnetic field when an AC current is applied. This electromagnetic field increases the inductive impedance, leading to increased power consumption and reduced power loss.

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