PSM1-471P-02T0

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Electromagnetic filtering, or EMI/RFI filtering, is a technology used to help isolate radio frequency interference (RFI) from a signal, such as a voltage or current. EMI/RFI filters block disruptive frequencies – typically those below 30 MHz – from entering a circuit, preventing them from interfering with the signal. Common EMI/RFI filters use inductors, capacitors, and resistor circuits to isolate the signal from the RFI noise.

One such filter is the PSM1-471P-02T0, a common-mode EMI/RFI filter specifically designed to reduce the common-mode and differential modes of interference. This filter features a 28 mm shielded housing design that provides superior shielding, and a compact size that makes it suitable for a variety of applications. The filter consists of four 7mm through-hole mounted inductors, four ceramic capacitors, two coaxial filters, and two multilayer ceramic capacitors for superior interference rejection in both common-mode and differential-mode components.

The PSM1-471P-02T0 is a suitable EMI/RFI filter for a variety of applications, including communications, consumer electronics, industrial control systems, healthcare devices, and automotive systems. Additionally, the filter is ideal for any application which requires enhanced common-mode and differential mode noise suppression. The wide bandwidth of the filter provides superior RFI attenuation across a broad frequency range.

The main working principle of the PSM1-471P-02T0 is based on the concept of “passing” and “blocking” of electrical signals. The high pass inductors are designed to “pass” signals above the specified cutoff frequency, while the low pass capacitors “block” any RFI noises that are present below that same frequency. The two coaxial filters also provide increased attenuation at specific frequencies, while the multilayer ceramic capacitors provide optimal performance for noise rejection. This combination of components gives the PSM1-471P-02T0 filter excellent performance for both common mode and differential mode noise suppression.

In summary, the PSM1-471P-02T0 is a robust EMI/RFI filter for a variety of applications that require a high level of noise suppression. The 28 mm shielded housing provides superior shielding, while the combination of inductors, capacitors, resistors, and coaxial filters allow the filter to provide a high level of noise attenuation across a wide frequency range. The filter is an optimal choice for applications requiring effective common-mode and differential-mode noise suppression, such as communications, consumer electronics, industrial control systems, healthcare devices, and automotive systems.

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