Resettable polymer fuses for overcurrent protection in circuits
Manufacturer： littelfuse
# Introduction to the 1812L260/16MR Product Series
## Overview
The 1812L260/16MR product series represents a cutting - edge and high - performance range of components designed to meet the diverse and demanding requirements of modern electronic systems. This series combines advanced technology, precision engineering, and reliable performance, making it an ideal choice for a wide variety of applications across multiple industries.
## Physical Characteristics
### Package Size
The "1812" in the product name refers to the industry - standard package size. In the imperial measurement system, it measures approximately 0.18 inches in length and 0.12 inches in width. This standardized size offers several advantages. It allows for easy integration into existing printed circuit board (PCB) designs, as many PCB layouts are pre - configured to accommodate components of this size. Additionally, the relatively compact size makes it suitable for applications where space is at a premium, such as in portable electronic devices.
### Construction
The components in the 1812L260/16MR series are built with high - quality materials and a robust construction. The outer casing is designed to provide excellent protection against environmental factors such as moisture, dust, and mechanical stress. This ensures the long - term reliability and durability of the components, even in harsh operating conditions.
## Electrical Specifications
### Inductance Value
The "L260" indicates the inductance value of the components in the series. With an inductance of 260 μH (microhenries), these components are well - suited for applications that require energy storage and filtering in electrical circuits. Inductors play a crucial role in smoothing out current fluctuations, reducing electromagnetic interference (EMI), and providing impedance matching in various electronic systems.
### Current Rating
The "16MR" represents the current rating of the series. These components are capable of handling a maximum current of 16 mA (milliamperes). This current rating is carefully selected to ensure that the inductors can operate safely and efficiently within the specified electrical parameters. It is important for designers to consider the current requirements of their circuits when selecting components from this series to avoid overheating and potential damage.
## Performance Features
### Low Resistance
The 1812L260/16MR series features low DC resistance (DCR). Low DCR is beneficial as it minimizes power losses in the inductor, resulting in higher energy efficiency. This is particularly important in battery - powered devices, where every bit of energy conservation counts. By reducing power losses, the components help to extend the battery life of the device and improve its overall performance.
### High Q Factor
The components in this series have a high quality factor (Q factor). The Q factor is a measure of the efficiency of an inductor and is defined as the ratio of the reactance to the resistance. A high Q factor indicates that the inductor has low losses and can store and release energy more effectively. This makes the 1812L260/16MR series suitable for applications such as resonant circuits, where high - efficiency energy transfer is required.
### Stable Performance
The series is designed to provide stable performance over a wide range of operating temperatures and frequencies. This stability is crucial for maintaining the accuracy and reliability of electronic systems. Whether the components are used in a temperature - controlled laboratory environment or in an industrial setting with large temperature variations, they can be relied upon to deliver consistent performance.
## Applications
### Power Supply Circuits
In power supply circuits, the 1812L260/16MR series can be used as part of the filtering stage. The inductors help to smooth out the DC output of the power supply by reducing ripple voltage and suppressing high - frequency noise. This results in