VLS4012ET-4R7M Inductors, Coils, Chokes

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Fixed inductors are electronic components designed to store and supply electrical current with a set value of inductance. The VLS4012ET-4R7M is one of the most widely used fixed inductors, and because of its design and specific characteristics, it has a wide range of applications and advantages. In this article, we will discuss the application field and working principle of the VLS4012ET-4R7M.

The VLS4012ET-4R7M belongs to the SDRE series of fixed inductors. This series is designed to facilitate the integration of the inductor with the circuit in which it is used as well as providing excellent thermal management. The VLS4012ET-4R7M has a flat-top design with an integrated lead frame enclosed in a plastic body which provides excellent protection against corrosion and other forms of damage. It is also UL94V-0 rated, making it suitable for a variety of applications.

The major application fields of the VLS4012ET-4R7M include audio amplification, EMI filtering, switching power systems, and voltage regulator modules. In audio amplification systems, it is used to filter out AC noise and provide stable power to the amplifier. The low inductance and low DC resistance of the VLS4012ET-4R7M makes it ideal for use in these types of applications. In addition, it can also be used for EMI filtering and voltage regulation. It has an excellent self-resonant frequency, allowing it to filter out high frequency noise and avoid damage to sensitive circuits. The high-current rated VLS4012ET-4R7M is also suitable for use in switching power systems, as it can provide a stable current over a wide range of frequencies.

The VLS4012ET-4R7M also boasts a wide range of features and benefits. It is designed to provide high efficiency and reliability in all applications and can operate at temperatures ranging from -40°C to +125°C. The inductor comes in both through-hole and surface-mount packages, making it suitable for both high-volume production and prototyping applications. In addition, the inductor features low leakage flux and low acoustic noise levels, making it suitable for noise sensitive environment.

The working principle of the VLS4012ET-4R7M is based on the inductor equation, which states that the inductance of the device is equal to the square of its current divided by the product of its self-inductance and its core loss. The core of the VLS4012ET-4R7M is made from a high-quality ferrite material, which increases the self-inductance of the device and also provides low-loss operation. The inductance is further increased by winding the coil around the core. This creates a high magnetic field, which stores energy and results in the smooth delivery of current.

In conclusion, the VLS4012ET-4R7M is a widely used fixed inductor with excellent performance characteristics and a wide range of applications. It is designed to be used in audio amplification, EMI filtering, switching power systems, and voltage regulator modules. It is an ideal choice for a variety of applications due to its performance and features. Finally, the working principle of the VLS4012ET-4R7M is based on the inductor equation, which involves the winding of coils around the ferrite core of the device, creating a high magnetic field and providing smooth current delivery.

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