SU9V-R01180 Filters

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SU9V-R01180 is a high-performance common mode choke, featuring a compact package and excellent signal integrity. It is designed to reduce the electromagnetic interference (EMI) generated by switching power supplies, and is commonly used in applications such as computer motherboards, electronic products and equipment, and automotive power systems. This common mode choke presents an alternative to filter designs for noise suppression, and has several distinct advantages over them, making it a popular choice among engineers who are looking for an effective and economical solution for their noise reduction needs.

The SU9V-R01180 is a three-phase, common mode choke, with a rated input voltage of 12 V. It is typically used as an inductor in a buck or boost switching power supply, to reduce EMI. The choke works by introducing a large inductive reactance to the noise, which causes it to be reflected back to the source. This dissipates the energy of the noise, thus reducing the amount of interference that propagates beyond the switch.

The inductance of the common mode choke is rated at 1.6 mH, and its maximum DC resistance is 0.6 Ω. Its low DC resistance ensures minimal power loss, and its high inductance results in good EMC performance. The choke is also able to work under a wide range of temperatures, from -40 to +125°C, making it suitable for a variety of applications. Furthermore, its package size of 9mm x 7mm x 3.5mm makes it easy to integrate into small electronics designs.

The SU9V-R01180 is designed to act as a "one-way valve" to allow only currents to flow in a certain direction, through the choke coil. The current is fed to the conductor that passes through the center of the choke, and the choking effect occurs along the edges of the winding, blocking the unwanted current from entering the system. This ensures that EMI is reduced to a minimum level. This choke is also very effective in suppressing Differential Mode Noise (DMN) that can occur over a wide frequency range.

Due to its practical design, the SU9V-R01180 is a popular choice for applications such as switching power supplies, noise shielding and data transmission systems. Its compact size and excellent signal integrity make it an optimal solution for design engineers who need a robust and reliable noise suppression solution. In addition, its wide operating temperature range makes it suitable for a wide variety of applications, from industrial and medical equipment to automotive systems.

In summary, the SU9V-R01180 is an excellent choice for design engineers looking for an effective, reliable and economical solution to noise suppression. Its inductive reactance helps to reflect back noise to its source, and its wide operating temperature range makes it an ideal choice for a variety of applications. Furthermore, its low DC resistance ensures minimal power loss and its compact size makes it ideal for space-constrained designs.

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