CAL45TB390K

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Fixed inductors serve as a passive electrical component. They are generally characterized by their inductance, which is the ratio of the voltage to the rate of current in a specific circuit. This ratio is fixed for a given fixed inductor component.CAL45TB390K is one type of fixed inductor. This particular device has medium power rating, high current rating, high temperature stability, and low parasitic inductance. This product is designed for automotive and industrial applications including power supplies, dc-dc converters, motor drives, and switches.The working principle of a fixed inductor is based on Faraday\'s law of induction. Faraday\'s law states that when a current-carrying conductor is placed in a changing magnetic field, an induced voltage will be created in the conductor. The effect is known as inductive coupling. Through repeating this process multiple times, the current in the inductor continues to increase.The CAL45TB390K is specifically designed with a low impedance value compared to its inductance. This makes it ideal for high-current applications, which require higher levels of power dissipation. Additionally, the low impedance value results in a shorter transition time and a lower transition peak current. This type of fixed inductor also has a low ESR, which reduces ripple and improves reliability. When used in applications such as motor drives, the low ESR also ensures high frequency operation.In terms of specs, the CAL45TB390K features a working voltage of 12-100 VRMS and 490 mA maximum current. The operating temperature ranges from -40°C to 125°C. The inductance of the device is 4.5 uH. Its tolerance is±20% during temperature changes. The device is also dustproof and provides high mechanical stability.Overall, the CAL45TB390K fixed inductor is an excellent choice for a wide range of automotive and industrial applications requiring high current rating, high temperature resistance, and low parasitic inductance. Its construction materials and design parameters make it both durable and reliable. Furthermore, thanks to its low impedance value, the device offers shorter transition times and lower peak current for applications such as motor drives.

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