RNF14BAE388R

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Through Hole Resistors

RNF14BAE388R is a through hole, 4-terminal resistor module with integrated heat sink and E-Fuse features. This versatile resistor module is widely used in many applications, such as in the audio, automotive, computer and consumer electronics industries.

Application fields

RNF14BAE388R is ideal for controlling signal current and voltage levels. It is commonly used as a low power, high current USB interface, a power converter for charging batteries, a resistor bridge for controlling voltage or current in high frequency power circuits, and a series circuit element for controlling line regulation. The module also works well as an easy-to-assemble surge suppressor. In audio applications, the module can be used to implement current sources and load devices, as well as provide current-to-voltage conversion and line balancing. Automotive engineers use it for controlling charging current or providing voltage controlled current limiters.

Working principle

The RNF14BAE388R works by using four resistors in parallel to create a low resistance path for the current. The resulting current loop forms a bridge network. The four resistors are connected in a series configuration and their parameters are adjustable. This makes it possible to fine-tune the working characteristics of the module to the application, like optimizing the charging current or controlling voltage or current in high-frequency power circuits. Each resistor is connected to the power supply (VIN) by an electronic fuse. When the current exceeds the predetermined value set by the user, the fuse will disconnect the resistor from the power supply to protect the module from damage.

The RNF14BAE388R also features an integrated heat sink that helps dissipate heat. This helps to keep the module from getting too hot and prevents the resistors from burning out. The heat sink can also be externally connected to a fan to further increase the cooling effect.

Conclusion

The RNF14BAE388R is a highly versatile module that can be used in a wide variety of applications. Its adjustable resistors, integrated heat sink, and electronic fuses provide a powerful combination of features that make it an ideal choice for controlling signal current and voltage levels in a variety of applications.

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