PSM1F-680M-10T0

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EMI/RFI Filters (LC, RC Networks) are essential components in the design of electronic products in order to guarantee its normal and safe operation. The purpose of their existence is to reduce or eliminate electromagnetic interference (EMI) and radio frequency interference (RFI). The LC and RC networks elements for EMI/RFI filters are coil, resistor, capacitor etc. Now let\'s take the PSM1F-680M-10T0 EMI/RFI Filter as an example to discuss the application field and working principle of it.

PSM1F-680M-10T0 is a differential-mode EMI/RFI filter module which is applicable to the electrical equipment in the following field and environment that are affected by high-frequency interference:

1. Accuracy instrumentation
2. Industrial field instruments
3. Computer and peripherals
4. Industrial robots
5. Hybrid circuits

The PSM1F-680M-10T0 module is designed with a shielded case that gives high-density system, high-performance, and multiple function with a single device. It can provide 10 dB common-mode attenuation between 50 MHz to 1GHz, and 18dB differential-mode attenuation between 300 kHz to 800 MHz.

From an electrical point of view, PSM1F-680M-10T0 EMI/RFI Filter is considered as an LC (curcuit or system composed of an inductor and capacitor) resonance filter whose resonant frequency typically falls in the critical range of the most severe form of the electrical interference.

In this configuration, inductors and capacitors are arranged in series combination in order to form a low-pass filter, while the inductors and capacitors can be in parallel to form a high-pass filter. In either case, the filter works to reduce or eliminate high-frequency interference, while passing the desired frequency signals from one point to another element. The circuit architecture of the PSM1F-680M-10T0 filter is designed in such a way that it helps to reduce the level of incoming interference from the critical range of the most severe types of interference. It will cut off the high frequency level of the signals that falls in the range between the cut off frequency of low pass filter (usually given in the datasheet of the filter) and the cut off frequency of the high pass filter.

In summary, the application field of PSM1F-680M-10T0 EMI/RFI Filter are suitable for accuracy instrumentation, industrial field instrumentation, computer and peripherals, industrial robots, and hybrid circuits. The working principle of this EMI/RFI filter are form of LC resonance filter which helps to reduce or eliminate high-frequency interference, while passing the desired frequency signals from one point to another element.

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