RN55C4751FR
Precision metal film resistors for through-hole electronic circuits
Manufacturer： vishay
series introduction
# Introduction to the RN55C4751FR Product Series
## Overview
The RN55C4751FR product series represents a cutting - edge range of electronic components engineered to meet the diverse and demanding requirements of modern electronic applications. These components are designed with precision and adhere to the highest industry standards, offering reliability, performance, and versatility.
## Key Features
### Resistance Value and Tolerance
The RN55C4751FR series is characterized by its specific resistance value. The "4751" in the model number indicates a resistance value that is carefully calibrated. This resistance value is crucial for applications where precise current and voltage control is necessary. The components in this series also come with a tight tolerance, ensuring that the actual resistance of each unit closely matches the specified value. This high - level of accuracy is essential for circuits where even minor variations in resistance can lead to significant performance issues.
### Power Rating
These components are designed to handle a specific power rating. The power rating determines the amount of electrical power that the resistor can safely dissipate without overheating or suffering damage. The RN55C4751FR series is engineered to have an appropriate power rating for a wide range of applications, from low - power consumer electronics to more power - hungry industrial systems. This allows for flexibility in design, as engineers can use these resistors in various circuits without having to worry about exceeding the power - handling capabilities.
### Temperature Coefficient
The temperature coefficient of the RN55C4751FR series is another important feature. It describes how the resistance of the component changes with temperature. A low temperature coefficient means that the resistance remains relatively stable over a wide temperature range. This is particularly important in applications where the operating environment may experience significant temperature fluctuations, such as automotive electronics or outdoor communication equipment. By maintaining a stable resistance, the performance of the overall circuit is less likely to be affected by temperature changes.
### Package Type
The RN55C4751FR series is available in a specific package type. The package not only provides physical protection for the component but also affects its ease of installation and compatibility with different circuit boards. The chosen package is designed to be compatible with standard surface - mount technology (SMT) assembly processes, which are widely used in modern electronics manufacturing. This makes it easier for manufacturers to integrate these resistors into their production lines, reducing assembly time and costs.
## Applications
### Consumer Electronics
In consumer electronics, the RN55C4751FR series finds numerous applications. For example, in smartphones and tablets, these resistors can be used in power management circuits to regulate the flow of current and voltage. They can also be used in audio circuits to control the volume and tone, ensuring high - quality sound output. In addition, in home appliances such as televisions and refrigerators, these resistors play a role in controlling various functions and ensuring the stable operation of the devices.
### Automotive Electronics
The automotive industry has strict requirements for the reliability and performance of electronic components. The RN55C4751FR series meets these requirements and is suitable for use in automotive electronics. It can be used in engine control units (ECUs) to monitor and control various engine parameters, such as fuel injection and ignition timing. In addition, these resistors can be used in automotive lighting systems, climate control systems, and safety systems, contributing to the overall safety and performance of the vehicle.
### Industrial Automation
In industrial automation, the RN55C4751FR series is used in a variety of control and monitoring circuits. For example, in programmable logic controllers (PLCs), these resistors can be used to set input and output levels, ensuring accurate signal processing. They can also be used in motor control circuits to regulate the speed and torque of motors, improving the efficiency and reliability of industrial machinery
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