DLW21SN900HQ2L

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Common Mode Chokes (CMCs) are components that are designed to suppress `common-mode\' noise from electric power or signal lines, typically resulting from crosstalk between adjacent lines in a system. CMCs are also widely used for EMI (electromagnetic interference) or ESD (electrostatic discharge) protection since they are capable of carrying a current, but blocking high frequency noise.

The DLW21SN900HQ2L is a common mode choke that is designed for a wide range of applications from power supplies to signal lines. This device has a rated inductance of 900 uH and a rated current of 2A. The DLW21SN900HQ2L also has a rated frequency of up to 4GHz. This choke is designed with two winding layers, where the windings are tightly wound around a ferrite core. The ferrite core provides a high magnetic permeability, which helps to increase the effectiveness of the choke at higher frequencies.

The working principle of this choke is based on the induction of an electric current in the two winding layers of the choke. When a voltage is applied to the two windings, it creates a magnetic flux in the core material which induces a current in the two winding layers. This induced current acts in opposition to the applied voltage, creating an impedance to the flow of current. The impedance is highest at high frequency signals, which allows the choke to effectively suppress common-mode noise.

The DLW21SN900HQ2L is designed for a wide range of applications, including power supplies, switching power supplies, AC/DC converters, AC motor drives, and signal lines. It can be used in applications such as EMI suppression, ESD protection, noise reduction, and transient voltage protection. In power supply applications, this choke can help to reduce common-mode noise and improve efficiency. In signal line applications, the choke can effectively suppress high frequency interference, allowing for clearer communication and data transmission.

The DLW21SN900HQ2L is a high-performance common mode choke that is designed for a wide range of applications. This device is capable of suppressing high frequency noise from electric power and signal lines, making it an ideal choice for EMI and ESD protection. Additionally, the choke’s high magnetic permeability makes it an effective choice for power supply and signal line applications, where it can help to reduce common-mode noise and improve efficiency.

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