CR75NP-181KC

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Fixed inductors are one of the most common and versatile electronic components used in a variety of electronic circuits and systems, either as part of the circuit design or as part of an external circuit. This type of inductors, also known as fixed line inductors or fixed-value inductors, are designed to provide a fixed inductance at a given frequency. In this article, we will discuss the application fields and working principles of the CR75NP-181KC fixed inductor.

Application fields

The CR75NP-181KC fixed inductor is a common component in a variety of applications. It is used for a range of frequencies, including audio, radio frequency (RF), and power transmission. It is used in consumer electronics, especially in portable equipment, for decoupling power to Radio Frequency (RF) signals, and for providing impedance matching. Specific products for these application fields include motors, power converters, motor controllers, and generators.

Its design makes it suitable for high-efficiency power delivery and EMI shielding applications. It can also be used for RF shielding to reduce EMI emission. Moreover, its low profile package and very stable performance makes it a preferred part for many DC-DC converters.

The CR75NP-181KC inductor is also compatible with a variety of other components, such as capacitors, diodes, and resistors, and is often used for impedance matching. It can be used in a number of different circuits, including RF signal paths, voltage- and current-controlled oscillators, power supply circuits, voltage step regulators, and more.

Working principle

The basic working principle of a fixed inductor is similar to that of a variable inductor. It uses a magnetic core to transform electrical energy between an AC source and a load. An electrical current flowing through the core induces a magnetic field and the core is designed to allow the magnetic field to flow in a controlled manner. As the magnetic field moves through the core, it builds up a static field, which can be used to induce a voltage in a second loop connected in series. The voltage induced in this loop is proportional to the current in the first loop.

This is the basic operation of any inductor, but the CR75NP-181KC fixed inductor has some unique characteristics that make it suitable for use in a variety of applications. It is designed to be used in high-frequency AC systems as it has high Q-factor (quality factor) meaning that it can retain more energy and has a higher resonance frequency. It also has a low DC resistance (DCR) which allows it to pass more current with less power loss.

The CR75NP-181KC inductor also provides a wide range of inductance values, from 0.5mH to 1.8mH which can be customized according to the application. It is highly temperature stable and it can operate up to a temperature of 125°C. Its durable construction ensures that the part can withstand high mechanical stress and shock. Moreover, its small size makes it suitable for use in compact systems. The device is also RoHS compliant, meaning it is environmentally friendly.

In conclusion, the CR75NP-181KC is a versatile and reliable fixed inductor suitable for use in a wide variety of applications. It has a high Q-factor and low DC resistance, allowing it to operate efficiently at high frequencies. Its temperature stability and durable construction make it a suitable choice for demanding power delivery and EMI shielding applications. In addition, its wide range of inductance values and RoHS compliance make it an environmentally friendly choice.

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