LQM21PNR54MG0
Shielded multilayer ferrite inductors for power applications, 540nH, 0805 size
Manufacturer： murata
series introduction
# Introduction to the LQM21PNR54MG0 Product Series
## 1. Overview
The LQM21PNR54MG0 product series represents a cutting - edge range of electronic components designed to meet the diverse and demanding requirements of modern electronic circuits. These components are engineered with precision and advanced technology to provide high - performance solutions in various applications, from consumer electronics to industrial equipment.
## 2. Key Features
### 2.1 High - Quality Inductance
The LQM21PNR54MG0 series offers a well - defined and stable inductance value. Inductance is a crucial parameter in electronic circuits, especially in applications such as filters, oscillators, and power supplies. The precise inductance value of these components ensures accurate signal processing and efficient power transfer, minimizing signal distortion and power losses.
### 2.2 Low DC Resistance (DCR)
One of the standout features of this product series is its low DC resistance. Low DCR is essential as it reduces power dissipation in the inductor. In power supply circuits, for example, a lower DCR means less energy is wasted as heat, resulting in higher overall efficiency. This not only saves power but also helps in reducing the operating temperature of the circuit, which can extend the lifespan of other components in the system.
### 2.3 Excellent Frequency Response
The LQM21PNR54MG0 components are designed to have an excellent frequency response. They can operate effectively across a wide range of frequencies, making them suitable for both low - frequency and high - frequency applications. Whether it's in radio frequency (RF) circuits for wireless communication or in audio frequency circuits for sound systems, these inductors can maintain their performance characteristics, providing reliable signal filtering and impedance matching.
### 2.4 Compact Size
In today's electronics market, where miniaturization is a key trend, the LQM21PNR54MG0 series stands out with its compact size. The small form factor allows for easy integration into densely packed printed circuit boards (PCBs). This is particularly beneficial in portable devices such as smartphones, tablets, and wearables, where space is at a premium. Despite their small size, these inductors do not compromise on performance, delivering the same high - quality functionality as larger components.
### 2.5 High Current Handling Capability
These inductors are capable of handling relatively high currents. This makes them suitable for power - hungry applications such as power amplifiers and high - power DC - DC converters. The ability to handle high currents without significant degradation in performance ensures the stability and reliability of the circuit under heavy load conditions.
## 3. Construction and Materials
### 3.1 Core Material
The LQM21PNR54MG0 series uses a high - quality magnetic core material. The choice of core material is carefully selected to optimize the inductor's performance. The core material provides a high magnetic permeability, which helps in achieving a higher inductance value in a smaller physical size. It also has low magnetic losses, which contribute to the overall efficiency of the inductor.
### 3.2 Winding
The winding of the inductors in this series is made of high - conductivity copper wire. The wire is wound precisely around the core to ensure a consistent and stable inductance value. The winding process is carefully controlled to minimize parasitic capacitance and resistance, which can affect the inductor's performance at high frequencies.
### 3.3 Packaging
The components are packaged in a robust and reliable package. The package provides mechanical protection to the inductor and also helps in heat dissipation. It is designed to be compatible with standard surface - mount technology (SMT) assembly processes, which allows for easy and efficient manufacturing of PCBs.
## 4. Applications
### 4.1 Consumer Electronics
In consumer electronics,
Images for reference
LQM21P 0805
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