Compact wirewound ferrite inductors for power applications
Manufacturer: murata
# Introduction to the LQW18CN15NJ00 Product Series
## 1. Overview
The LQW18CN15NJ00 belongs to a specialized series of electronic components, specifically inductors. Inductors are fundamental passive components in electronic circuits, playing crucial roles in various applications such as filtering, energy storage, and impedance matching. This particular product series is designed to meet the high - performance requirements of modern electronic devices with its unique features and specifications.
## 2. Physical Characteristics
### Size and Dimensions
The LQW18CN15NJ00 is designed with a compact form factor. Its small size makes it suitable for use in space - constrained electronic devices, such as mobile phones, tablets, and wearable devices. The precise dimensions are engineered to ensure easy integration onto printed circuit boards (PCBs), allowing for efficient use of board space and enabling the design of more miniaturized and lightweight electronic products.
### Packaging
It typically comes in a surface - mount device (SMD) package. SMD packages are highly popular in modern electronics manufacturing due to their ease of automated assembly. The package is designed to provide good mechanical stability and electrical connection to the PCB, ensuring reliable performance during the manufacturing process and throughout the product's lifespan.
## 3. Electrical Specifications
### Inductance Value
The "15N" in the model number indicates an inductance value of 15 nH (nanohenries). Inductance is a measure of an inductor's ability to store energy in a magnetic field when an electric current flows through it. This specific inductance value is carefully selected to meet the requirements of a wide range of high - frequency circuits, such as radio frequency (RF) circuits in wireless communication devices.
### Tolerance
The "J" in the model number represents a tolerance of ±5%. This means that the actual inductance value of the LQW18CN15NJ00 can vary within ±5% of the nominal 15 nH value. A relatively tight tolerance ensures consistent performance across different units, which is crucial for maintaining the stability and accuracy of electronic circuits.
### DC Resistance (DCR)
The inductor has a low DC resistance. Low DCR is important because it reduces power losses in the circuit. When current flows through the inductor, a lower DCR means less energy is dissipated as heat, resulting in higher efficiency of the overall circuit. This is particularly beneficial in battery - powered devices, where power consumption is a critical factor.
### Self - Resonant Frequency (SRF)
The LQW18CN15NJ00 has a high self - resonant frequency. The self - resonant frequency is the frequency at which the inductor's inductive reactance and capacitive reactance are equal, and the inductor behaves as a resonant circuit. A high SRF allows the inductor to maintain its inductive characteristics over a wide frequency range, making it suitable for high - frequency applications such as RF front - end circuits in wireless communication systems.
## 4. Performance Advantages
### High - Frequency Performance
Due to its high self - resonant frequency and low parasitic capacitance, the LQW18CN15NJ00 offers excellent high - frequency performance. It can effectively filter out high - frequency noise and interference in RF circuits, improving the signal quality and reliability of wireless communication devices. This makes it an ideal choice for applications such as Wi - Fi, Bluetooth, and cellular communication modules.
### Stability
The inductor exhibits good stability over a wide range of operating temperatures and environmental conditions. It is designed to maintain its electrical characteristics, such as inductance and DCR, within specified limits under different temperature and humidity levels. This stability ensures the long - term reliability of the electronic circuits in which it is used, reducing the risk of performance degradation or failure.
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