EXC-34CE900U

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Common mode chokes, also called transmission line chokes, are inductors specifically designed for the purpose of providing differential mode noise reduction and common mode noise isolation. They are often used in power supplies, motor drives, and industrial communication systems to reduce conducted noise from power inputs and radiated noise from cables. The EXC-34CE900U application field and working principle can be broken down into two main sections. Firstly, the application fields, and secondly, the working principle and implementation of common mode chokes.

The EXC-34CE900U is a surface mount common mode choke, primarily used to reduce conducted noise along power supplies and transmission lines. The choke consists of a two-coil element connected in series, with an inductance value of 900μH. This choke is suitable for a wide range of applications, such as measuring equipment, audio-visual equipment, telecommunications, automotive electronics, and industrial equipment. Its high inductance value allows it to effectively reduce common-mode currents. The dual-coil construction of the choke provides improved EMI/EMC performance, due to its high isolation levels between the coils.

The functionality of the EXC-34CE900U is based on the principles of electromagnetic induction. It is a type of electromagnetic component, which works by generating a magnetic field in response to a changing electrical current. The two coils in the choke are connected in series. The coils are electrically isolated from each other, and each connected to a separate power lead. When an electrical current is applied to one of the coils, the alternating current induces a current in the second coil, which is in phase opposition to the current in the first coil. This results in a potential difference being generated between the two coils. This potential difference creates a high level of magnetic field inside the choke, which increases the impedance of the device and reduces the potential for common mode current noise.

The EXC-34CE900U\'s high inductance value ensures that it is able to capture and eliminate any unwanted high frequency and low frequencies in the system. Its built-in capacitance also reduces and dissipates any noise caused by on-load switching and other transient operations. The results are improved performance, significantly lower EMI levels, and increased noise suppression.

The EXC-34CE900U is an ideal choice for reducing common mode current and improving system performance and reliability. It has a small form factor, low profile, and low noise profile, making it an ideal choice for applications where size, cost, and low EMI levels are critical. Additionally, its two-coil, series connection makes it ideal for applications where differential and common mode noise reduction is required.

The EXC-34CE900U is a highly versatile and robust surface mount common mode choke, designed to reduce EMI/EMC in multiple electronic applications. Its two-coil construction and high inductance value ensures superior filtering performance and excellent transient suppression. The choke is designed for use in a wide range of applications, including industrial, automotive, audio/visual, and telecommunications, making it an ideal choice for reducing power line conducted and radiated noise.

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