IP4051CX11/LF,135 Filters

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Whenever electrical and electronic components and associated systems are connected, filtering is normally required to control the electromagnetic interference (EMI) and radio frequency interference (RFI) generated by the system. Filtering includes the use of EMI/RFI filters such as LC, RC networks that include inductors and capacitors. One example of an EMI/RFI filter is the IP4051CX11/LF, 135 filter. This filter is designed to reduce the noise created by the electromagnetic and electrical interference associated with automotive applications.

The IP4051CX11/LF, 135 filter has an outer diameter of 3.6 millimeters and an inner diameter of 2.3 millimeters. It is a bulk capacitor that is designed to be used in automotive electronics, and is specifically optimized for high frequency noise suppression in 12V electrical systems. The filter is rated for 160V AC and has a capacitance value of 0.2uF and a dissipation factor of 0.2. The filter has a lead spacing of 2.5 millimeters, and can withstand an operating temperature of -40°C to +105°C.

The working principle of the IP4051CX11/LF, 135 filter is fairly straightforward. Its components – usually an inductor and a capacitor – create an LC (inductance and capacitance) filter circuit that is used to control the EMI and RFI signals. By creating a series circuit with the inductor and the capacitor, the device takes electrical signals that have been distorted by noise in the form of EMI and RFI signals, and passes them through a “CR filter.” The capacitance and resistive elements in this filter are tuned to the frequency of the noise signal, which helps suppress the noise.

The IP4051CX11/LF, 135 filter is used in a wide range of automotive applications, such as audio systems, LCD displays, CAN bus systems, navigation systems, airbag systems, and power supply systems. These components are also used to provide RFI-suppressing interference and filtering for home theater and home audio systems, and for signal-processing systems, communication systems, and medical equipment.

This EMI/RFI filter is a simple device, but it is highly effective at reducing the amount of unwanted noise that is generated in automotive and other electronic systems. While it is not always necessary to use an EMI/RFI filter for automotive systems, using one will ensure that the system is as quiet and clean as possible.

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