PH9455.405NL

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Common Mode Chokes (CMCs) are electrical components used to suppress or filter electromagnetic interference (EMI). They\'re composed of windings of insulated wire wrapped around a ferromagnetic core, which acts as an inductor. The most common type of CMC is the ferrite core inductor, which has the advantage of being lightweight, inexpensive, and extremely effective. The PH9455.405NL application field and working principle is one type of CMC that is commonly used in a variety of applications, ranging from consumer electronics and automotive systems to industrial applications.

The PH9455.405NL combines the properties of inductance and capacitance to provide common mode EMI filtering. This CMC is designed to operate at frequencies up to 1 MHz with inductances range from 4 to 10 milliHenries (mH). The operating temperature range is -40°C to 80°C, and the working voltage is 125 volts. The common mode rejection ratio (CMRR) of this CMC is >70 dB @ 1 MHz, and the insertion loss is typically <1.25 dB. The PH9455.405NL also features a low ESR and excellent shielding, making it ideal for applications that require high frequency performance.

The working principle of the PH9455.405NL CMC, like all other CMCs, is based on magnetic and electrical induction. When current flows through the inductor, a magnetic field is created around it. This magnetic field then induces an electrical current in the nearby conductive media, such as wires or other components. The induced current exerts a force that is equal and opposite to the original current, resulting in a cancellation of EMI. The same principle applies to the common mode rejection of this CMC; when an unwanted signal is present on the common mode, the CMC will induce a reverse current and cancel out the noise.

The PH9455.405NL is an effective and reliable common mode EMI filter that is well-suited for a wide range of applications, from consumer electronics to automotive and industrial systems. Its combination of high frequency performance, low ESR, and excellent shielding make it an ideal choice for applications that require EMI filtering.

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