SMD1812P075TF/24

series introduction

# Introduction to the SMD1812P075TF/24 Product Series

## 1. Overview
The SMD1812P075TF/24 is a highly specialized and innovative product series within the surface - mount device (SMD) category. These components are designed to meet the demanding requirements of modern electronic circuits, offering a combination of high performance, reliability, and compact design.

## 2. Physical Characteristics

### 2.1 Dimensions
The "1812" in the product name refers to the industry - standard SMD package size. In the imperial measurement system, it has 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 board (PCB) designs and automated assembly processes. The compact size allows for high - density PCB layouts, enabling the development of smaller and more portable electronic devices.

### 2.2 Termination and Mounting
The components in this series feature surface - mount terminations, which are designed for easy and reliable soldering onto PCBs. The terminations are made of high - quality materials that ensure good electrical conductivity and mechanical stability. This surface - mount design eliminates the need for through - hole drilling in the PCB, reducing manufacturing costs and improving the overall efficiency of the assembly process.

## 3. Electrical Specifications

### 3.1 Resistance Value
The "P075" in the product code indicates the resistance value of the components in the series. In this case, the resistance is 0.075 ohms. This relatively low resistance value makes the SMD1812P075TF/24 suitable for applications where low power loss and high - current handling are required, such as power management circuits, battery charging circuits, and motor control circuits.

### 3.2 Tolerance
The components are engineered to have a tight tolerance. The "TF" in the product name typically implies a high - precision tolerance level. This ensures that the actual resistance value of each component is very close to the specified value, which is crucial for accurate circuit performance. For example, in a precision current - sensing application, a tight tolerance helps in obtaining accurate current measurements.

### 3.3 Power Rating
The "24" in the product name is related to the power rating of the components. These devices are capable of handling a certain amount of power, which is determined by factors such as the resistance value, the maximum current they can carry, and the heat dissipation capabilities. A higher power rating allows the components to operate in high - power applications without overheating, ensuring long - term reliability.

## 4. Performance Features

### 4.1 Low Temperature Coefficient of Resistance (TCR)
The SMD1812P075TF/24 series exhibits a low TCR. This means that the resistance of the components changes very little with temperature variations. In applications where the operating temperature can fluctuate significantly, such as in automotive electronics or industrial control systems, a low TCR ensures stable circuit performance over a wide temperature range.

### 4.2 High - Frequency Performance
These components are designed to have excellent high - frequency characteristics. They have low parasitic capacitance and inductance, which minimizes signal distortion and attenuation at high frequencies. This makes them suitable for use in high - speed communication circuits, RF (radio frequency) applications, and other high - frequency electronic systems.

## 5. Applications

### 5.1 Power Electronics
In power supply circuits, the SMD1812P075TF/24 can be used for current sensing. By measuring the voltage drop across the low - resistance component, the current flowing through the circuit

Images for reference

Image Preview

Datasheets

• SMD1812
• SMD1812

Partlist