SRR1210-181M
Shielded wirewound power inductors with 180uH inductance
Manufacturer： bourns
series introduction
# SRR1210 - 181M Product Series Introduction
## 1. Overview
The SRR1210 - 181M product series represents a cutting - edge range of electronic components that have been meticulously engineered to meet the diverse and demanding requirements of modern electronic circuits. These components are designed with a focus on high performance, reliability, and compactness, making them an ideal choice for a wide variety of applications in the electronics industry.
## 2. Product Naming Convention
- **SRR**: This is the product family identifier, which indicates the specific series or type of components within the manufacturer's product portfolio. It represents a set of common design features and performance characteristics.
- **1210**: This refers to the physical dimensions of the component. In the industry - standard surface - mount device (SMD) sizing system, the numbers typically represent the length and width of the component in millimeters. So, a 1210 - sized component has a length of 12mm and a width of 10mm, providing a relatively compact form factor that is suitable for high - density circuit board designs.
- **181M**: The first two digits “18” are related to the component's electrical value. In this case, it indicates a specific parameter value, which could be related to inductance, resistance, or other electrical properties depending on the nature of the component. The “1” is often a multiplier or a part of the value - encoding scheme. The “M” is a tolerance code, which specifies the allowable deviation from the nominal value. For example, an “M” might represent a tolerance of ±20%.
## 3. Key Features
### Electrical Performance
- **High - Quality Inductance**: If the SRR1210 - 181M is an inductor, it offers a precisely defined inductance value. The inductance value is crucial in applications such as power supplies, where it helps in filtering out unwanted electrical noise and stabilizing the current flow. The tight tolerance (as indicated by the “M” code) ensures consistent performance across multiple components, reducing the variability in circuit behavior.
- **Low Resistance**: The component has a low direct - current resistance (DCR). A low DCR is beneficial as it minimizes power losses in the form of heat, improving the overall efficiency of the circuit. This is especially important in battery - powered devices, where energy conservation is a top priority.
### Physical Characteristics
- **Robust Construction**: The SRR1210 - 181M is built with high - quality materials and a durable construction. It can withstand mechanical stress, such as vibrations and shocks, which are common in many electronic applications. This makes it suitable for use in automotive electronics, industrial control systems, and other harsh environments.
- **Surface - Mount Design**: The surface - mount technology (SMT) design allows for easy and automated assembly on printed circuit boards (PCBs). This not only reduces the manufacturing cost but also enables high - volume production with consistent quality.
### Thermal Performance
- **Good Heat Dissipation**: The component is designed to dissipate heat effectively. This is achieved through its material selection and physical structure. Efficient heat dissipation helps to maintain the component's performance and reliability over a wide range of operating temperatures, preventing overheating and potential damage.
## 4. Applications
### Power Supplies
- **Switch - Mode Power Supplies (SMPS)**: In SMPS, the SRR1210 - 181M can be used as an energy - storage inductor. It stores energy during the on - time of the switching transistor and releases it during the off - time, helping to convert the input voltage to the desired output voltage. The low DCR and high - quality inductance ensure efficient
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SRR1210-330M
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