75BCF10R

Power Line Filter Modules

Power line filter modules, such as the 75BCF10R, are essential components in the design of electronic systems that require power. Their primary function is to reduce or eliminate electromagnetic interference (EMI) caused by the transmission or conduction of electrical signals on the system power line. This article will discuss the application field and working principle of the 75BCF10R.

Application field

The 75BCF10R module is designed for use in power filtering of up to four-watt power systems operating at an input voltage of 75 V. It is designed to reduce or eliminate EMI that is generated by the system power lines, as well as other sources, such as electric motors, transformers, and radio frequency (RF) transmitters. It is commonly used in power systems for appliances, medical equipment, lighting, communication systems, and automotive applications. It is also suitable for use in industrial environments with corrosive atmospheres.

The 75BCF10R is particularly suited for power filtering applications where high performance, robustness, and reliability are required. It is designed to meet stringent safety and EMC standards, with advanced safety functions protected by a comprehensive EMC filtering system. The module also features an integrated over-voltage protection system to protect against dangerous voltage spikes.

Working principle

The 75BCF10R module employs a unique three-stage power line filtering system to reduce and suppress EMI generated by the system power lines. In the first stage, high-frequency noise is filtered out by an LC (inductor/capacitor) filter. In the second stage, low-frequency noise is filtered out by a capacitive filter. And in the third stage, transient voltage surge suppression is provided by a TVS (Transient Voltage Suppression) diode. The combination of LC, capacitive, and TVS filters results in a high-performance module with superior protection against EMI.

The 75BCF10R also features a fail-safe protection system in the form of a built-in thermal fuse. The fuse provides additional protection against dangerous voltage spikes, as it will automatically open and disconnect the system power lines in the event of an overload. Furthermore, the thermal fuse is designed to automatically reset once the load has been cleared, ensuring that the power line filter module remains safe and secure at all times.

In addition to filtering out EMI, the 75BCF10R module also offers a high degree of flexibility in terms of assembly. It is suitable for both through-hole and surface-mount assembly, making it an ideal choice for a variety of applications.

Conclusion

The 75BCF10R power line filter module is an essential component in the design of electronic systems that require power. It provides a high degree of protection against EMI, voltage spikes, and overloads. Furthermore, it is designed to meet stringent safety and EMC standards, and is suitable for both through-hole and surface-mount assembly. This makes it an ideal choice for a wide range of power filtering applications.