DLW31SN161SQ2L

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Common mode chokes, otherwise known as differential mode chokes, are used to reduce the amount of electromagnetic interference (EMI) which is produced by quite a wide range of electrical and electronic devices. The DLW31SN161SQ2L is a common mode choke, and it is most often utilized in digital audio, radio and communication technology applications.

The DLW31SN161SQ2L is a 15 Ohm, 16 Amp inductor that provides direct 150 kHz to 250 MHz frequency range filtering within a 0.2-2.0 MHz operating frequency range. It has a very low DCR of 16 ohms, and is able to achieve 50 uH value inductance with up to 1 mA DC bias current. It also requires a maximum operating current of 16 A and has an operating voltage capacity up to 15 V. The DLW31SN161SQ2L choke has an operating temperature range of -40°C to +105°C.

A common mode choke is primarily used to reduce the effect of common mode noise upon circuit or system performance. Common mode noise occurs as an interference signal that is present on both the signal lines simultaneously. As the common mode noise increases, the differential mode noise usually decreases. To reduce the effect of the common mode noise, a common mode choke is used to “filter” the noise, and reduce the level of interference.

Common mode chokes work by opposing the flow of common mode current. By “opposing” the current, the device generates a magnetic field. This magnetic field will then interact with the induced magnetic field created by the common mode signal, and thereby reduce the level of interference. This is the primary mechanism of operation for common mode chokes.

In addition to its primary effect of reducing common mode noise, common mode chokes can also be utilised to suppress EMI in radio frequency (RF) systems. This is achieved through the operation of Faraday\'s Law, which states that an electromagnetic signal will induce a current in an electrical circuit. By introducing a common mode choke into the circuit, the signal will be filtered, and the resulting current will be reduced.

The DLW31SN161SQ2L common mode choke is an ideal choice for a wide range of RF applications. It is well suited for use in digital audio and communication technology products, and can be used on both 1 and 2 lines in order to reduce interference. Its small size and high efficiency make it an ideal choice for many different applications.

To summarise, the DLW31SN161SQ2L is a common mode choke which is used to reduce and/or eliminate the amount of common mode noise or EMI interference. It works by forming a magnetic field that interacts with the induced magnetic field of the common mode signal, which reduces the level of interference. It is small in size and highly efficient, making it a great choice for digital audio, radio, communication technology and other RF applications.

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