L-14CR12KV4T

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The L-14CR12KV4T Inductor is a dual-element fixed inductor and is used to reduce the ripple generated by switching power converter systems. It is ideal for use in applications such as portable electronic devices, automotive audio systems, industrial power supplies, and other applications that require high-precision and low-noise operations. This device is classified as a Fixed Inductor and is characterized by its small size, low cost, reliability, and wide operating temperature range. It is available in an SMD package and is constructed with two rows of flat winding coils, which are connected in series and designed to absorb specific frequencies of ripple.

The operating principle of an inductor is based on the Faraday’s Law of Electromagnetic Induction. This law states that when an electrical current flows through a conductor, a magnetic field is created in the surrounding area. When that magnetic field encounters another current-carrying conductor, a voltage is induced within the neighboring conductor. This induced voltage is known as the back emf, and it opposes the change in current. The induced voltage, or back emf, keeps the current from increasing its amplitude or frequency beyond a certain point. Thus, the inductor acts as a low-pass filter, allowing only current below the cut-off frequency to pass through the circuit.

The L-14CR12KV4T Inductor is designed to reduce the large frequency-related disturbances known as EMI or noise. EMI can cause interference in the output of a switching regulator, causing the output voltage to overflow and cause a malfunction. The inductor takes advantage of its series direction winding configuration and the inductive reactance of the coil to reduce this EMI noise. The coil is also designed to have a moderate DCR (Direct Current Resistance), enabling it to handle the high-current requirements of DC-to-DC converters.

The L-14CR12KV4T Inductor can be used in many applications requiring efficient and reliable DC-to-DC power conversion. It is ideal for use in mobile communications systems, automobile electronics, DVD players, and other high-quality audio and video devices. Additionally, it can be used in critical industrial power supplies, medical devices, computer accessories, and other high-end applications where low-noise power conversion is a necessity. Other uses include DC-DC converters, voltage regulators, and any other application requiring the attenuation of EMI or noise.

The L-14CR12KV4T Inductor is a highly reliable, precision-crafted device that can provide up to 95% reduction in EMI noise. It boasts a wide operating temperature range of -40 to +125°C and is available in various package sizes. It is robust, low-cost, and easy to use, making it the perfect choice for applications requiring efficient performance and noise reduction.

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