ELC-18B821L

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Fixed Inductors are an important component used in a wide variety of electrical systems. ELC-18B821L is a type of fixed inductor, which has some unique properties that make it attractive for various applications in the field. This article will discuss the application field and working principle of ELC-18B821L to help readers understand this impressive component better.

ELC-18B821L fixed inductors are widely used in high frequency switch mode power supplies (SMPS) where well-controlled inductor designs are essential for efficient operation. The ELC-18B821L is also used for other types of applications such as RFID antennas, wireless receivers and transmitters, high frequency motor control, and power management of portable devices. These inductors are designed using ceramic core material, making them highly reliable and suited for high temperature environments.

The ELC-18B821L inductor utilizes inductance, which is defined as the ability of a conductor to induce a voltage when exposed to a varying magnetic field. It is most commonly used in applications that require a high level of current or voltage, such as in transformers, motors, and other components. This makes it ideal for high frequency switching and power conversion applications where the components need to withstand rapid changes in both voltage and current.

The inductance in an ELC-18B821L is set by the amount of turns of wire that are used in its construction. A greater number of turns will cause an increase in inductance, and consequently, the current will be higher. On the other hand, a lower number of turns will result in a lower induce voltage. The effectiveness of this inductor also depends on the quality of the core material used, which is why the ceramic core material is so popular with this component.

An important feature of ELC-18B821L fixed inductors is their Self Resonant Frequency (SRF). This is the frequency at which the inductor begins to absorb energy from the source, hence another name for it, “Energy Absorption Frequency”. This frequency depends greatly on the inductor itself, and is essential in applications where the energy needs to be accurately managed. The ELC-18B821L offers good SRF by providing excellent inductance stability at high temperatures.

The ELC-18B821L has a maximum inductance of 220nH, with a tolerance of ±10%. It has a high self-resonant frequency of up to 300MHz, making it ideal for high frequency applications. Its temperature range is from -40°C to +105°C, and its rated operational current is 4.0A. It is suitable for SMT and through-hole mounting, making it easy to install.

As an overall conclusion, the ELC-18B821L fixed inductor is an impressive component with great properties for various applications in the field. Its core material and construction offer excellent performance and high reliability, making it an ideal choice in both SMPS and other applications. Thanks to its low profile design, it can easily fit into tight spaces, allowing it to be included in a wide variety of designs. The ELC-18B821L is a must have for any electrical application that requires efficient operation and precise current management.

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