1812L150/16DR
Resettable polyfuse components for circuit protection
Manufacturer： littelfuse
series introduction
# Introduction to the 1812L150/16DR Product Series
## Overview
The 1812L150/16DR product series represents a cutting - edge and highly reliable line of components designed to meet the diverse and demanding requirements of modern electronic applications. This series combines advanced technology, superior performance, and robust construction to offer users an optimal solution for their specific needs.
## Physical Characteristics
### Size and Dimensions
The 1812 in the product code refers to the industry - standard package size. In the imperial measurement system, it typically means a length of 0.18 inches (4.572 mm) and a width of 0.12 inches (3.048 mm). This standardized size makes it compatible with a wide range of printed circuit boards (PCBs) and assembly processes, allowing for easy integration into existing or new electronic designs.
### Construction
The components in the 1812L150/16DR series are built with high - quality materials. The outer casing is designed to provide excellent protection against environmental factors such as moisture, dust, and mechanical stress. This ensures the long - term stability and reliability of the product, even in harsh operating conditions.
## Electrical Performance
### Inductance
The "L150" in the product code indicates the inductance value of the components in the series. With an inductance of 150 (the unit is usually microhenries, μH), 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.
### DC Resistance (DCR)
The "16DR" part of the code is related to the DC resistance of the inductor. A relatively low DC resistance of 16 (the unit is typically milliohms, mΩ) is beneficial as it minimizes power losses in the form of heat generation. This not only improves the overall efficiency of the circuit but also helps in maintaining the stability of the electrical system, especially in high - current applications.
## Applications
### Power Supply Circuits
In power supply units (PSUs), the 1812L150/16DR series inductors are used for filtering purposes. They help to remove ripple currents from the DC output of the power supply, ensuring a clean and stable voltage for the connected electronic devices. This is essential for the proper functioning of sensitive components such as microprocessors, memory chips, and other integrated circuits.
### RF and Wireless Communication
In radio frequency (RF) and wireless communication systems, these inductors can be used in impedance matching networks. By adjusting the impedance of the circuit, they help to maximize the power transfer between different stages of the RF system, improving the overall performance and signal quality. They can also be used in filtering out unwanted frequencies, reducing interference and noise in the communication channels.
### Automotive Electronics
The automotive industry has strict requirements for the reliability and performance of electronic components due to the harsh operating environment. The 1812L150/16DR series is suitable for automotive applications such as engine control units (ECUs), infotainment systems, and lighting control modules. Their ability to withstand high temperatures, vibrations, and electrical noise makes them a reliable choice for these critical automotive systems.
## Advantages
### High Efficiency
The low DC resistance of the inductors in the 1812L150/16DR series results in less power dissipation, which translates to higher energy efficiency. This is particularly important in battery - powered devices where power consumption needs to be minimized to extend the battery life.
### Reliability
The robust construction and high - quality materials
Images for reference
1812L Series
1812L Series Footprint