CMS1-7-R Filters

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Common Mode Chokes (CMS) refer to a type of electromagnetic component used to suppress or cancel the transmission of signals along a common mode path. The devices are often used to prevent interference in high-speed data lines such as those used in the automotive, telecommunications, information technology, and electronics industries. The CMS1-7-R is a common mode choke for three-phase applications. The device features an impedance rating of 4.7 ohms, a maximum current rating of 700mA, and a maximum voltage rating of 600V.

The working principle behind common mode chokes lies in their ability to interact with electrical signals on a differential or common mode basis. Differential mode signals travel in two opposite directions along a single conductor, while common mode signals travel in the same direction along two parallel conductors. A common mode choke will typically block both differential signals within a certain frequency range, as well as suppress any common mode signals that may be present.

For the CMS1-7-R, the device is designed to reduce radiated noise and common mode currents in three-phase applications. The device is composed of three independent windings, each connected to one phase of the power source. The CMS1-7-R is designed to operate at frequencies between 50Hz and 400Hz, with an impedance rating of 4.7 ohms. In addition, the device also features a temperature range of -40°C to 105°C.

The CMS1-7-R is designed to reduce electromagnetic interference (EMI) on high-speed communication lines by operating as a non-linear absorber of common mode currents. As the current travels along the line, it passes through the core of the CMS1-7-R, which is made of a ferromagnetic material. The ferromagnetic material provides a relatively high-impedance path for the current, which causes the current to be absorbed by the core and dissipated as heat. This limits the amount of EMI that is transmitted from the line onto other nearby equipment.

In addition, the CMS1-7-R helps to reduce the level of common mode noise reaching the ground by creating a low-impedance path to ground. This low-impedance path provides an alternate return path for any common mode noise that is present on the power line. This helps to reduce the amount of common mode noise that is transferred onto the sensitive circuits and equipment connected to the power line.

The CMS1-7-R is designed to be reliable and durable in operation. The device can be used in a wide range of applications, from industrial to automotive, and its small size allows for it to be easily incorporated into existing OEM designs. The device also features a high heat dissipation capacity, allowing for reliable operation in high-temperature environments.

The CMS1-7-R is an ideal solution for applications that require the prevention of EMI and the reduction of common mode noise. The device is designed to provide reliable performance in a variety of applications, including those found in the automotive, industrial, and telecommunications industries. Its small size and high heat dissipation capacity make it an ideal solution for space-constrained applications where reliability and durability are key.

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