NZF220DFT1G Filters

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

EMI/RFI filters are essential components in the design of electronic systems and serve to ensure product reliability, safety, and compliance with the applicable standards. They help to avoid harmful interference between digital and analog signals, protect against electrical noise, and limit the ingress and egress of electro-magnetic interference. They protect sensitive analog, signal or power circuits from possible damage caused by high frequency noise on the data bus. In recent years, different types of EMI/RFI filters (LC, RC networks) have grown in popularity and are now widely used in consumer electronic devices. This article will focus on the NZF220DFT1G filter and discuss its application field and working principle.

The NZF220DFT1G is an integrated EMI/RFI filter designed to reduce conducted EMI from consumer electronics. It combines an LC filter and RC filter in a single board-level package, making it suitable for use in a wide range of consumer electronics including computer monitors, smartphones, and PDAs. The filter features a network of capacitors, inductors, and resisters that can effectively suppress conducted EMI across a frequency range of up to 2.0 GHz. It features two impedance matching networks, one for differential mode and one for common mode, which are specifically designed for audio and video applications where high frequency noise is a major issue. Its integrated design makes it ideal for applications where a large number of filter components are required. In addition, it is also well-suited for audio/video media systems, which require stringent EMI/RFI requirements for interference reduction.

The working principle behind the NZF220DFT1G is simple. It can be broken down into two separate functions: linear filtering and common mode filtering. Linear filtering traps and filters conducted EMI on the signal paths by picking up the signal at the input stage and then filtering out the unwanted high frequency components. The output is then passed through the differential mode and common mode matching networks which ensure good impedance matching and optimum signal transmission. The common mode portion filters out common mode noise, thus ensuring improved inter-component isolation. Apart from this, the filter also features several protective functions, like a fuse for short-circuit protection, thermal protection, and a snubber circuit to protect against high surge voltage.

The NZF220DFT1G filter is an ideal choice for application in a variety of consumer electronic products such as computer monitors, smartphones, video players, gaming consoles, etc. Apart from these, it is also used in medical devices, military systems, aerospace/defense systems, and automotive applications. In addition, it offers an extremely low part count, high performance, and is relatively inexpensive compared to other similar EMI/RFI filters.

In conclusion, the NZF220DFT1G filter is a versatile integrated EMI/RFI filter designed to reduce conducted EMI from consumer electronics. It offers a network of capacitors, inductors, and resistors that effectively suppress conducted EMI across a wide frequency range of up to 2.0 GHz. It is suitable for a variety of consumer electronic products, and can also be deployed in medical, military, aerospace, and automotive applications. With its integrated design and low part count, it is an ideal solution for various types of applications which require stringent EMI/RFI requirements for reduction of interference.

The specific data is subject to PDF, and the above content is for reference