SPD74R-393M

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Fixed Inductors are electronic components which have a fixed inductance value and are primarily used as filtering inductors in power supplies or output stages. The SPD74R-393M is a type of fixed inductor that is used specifically in power supply circuits, and its application field and working principle are described in more detail below.

SPD74R-393M Application Field

The SPD74R-393M is a large surface-mount type inductor designed for use in power supply circuits. It is specifically designed to provide high frequency noise filtration and high inductance values ranging from 4.7 to 390 µH. It is commonly used in point-of-load converters as well as switching regulators, allowing for efficient conversion from DC to AC power. The SPD74R-393M has a low DC resistance and has a wide operating temperature range of -40 to +125°C. It is also designed to have strong solderability and is available in various sizes to meet a variety of application needs.

Working Principle

Fixed inductors work on the principle of Faraday’s Law, which states that a changing magnetic field produced by a current will induce a proportional voltage across an inductor. This induced voltage opposes the current\'s change in magnitude, creating a voltage drop across the inductor. The SPD74R-393M is designed to act as an inductor for power supply circuits, creating a voltage drop for the current. This voltage drop can also be used to filter out noise caused by the switching in the power supply circuit, allowing for a more stable power output.

The SPD74R-393M is a fixed inductor that is designed for use in power supply circuits. Its application field includes point-of-load converters and switching regulators, and it is capable of providing high frequency noise filtration and high inductance values ranging from 4.7 to 390 µH. The SPD74R-393M is designed to work on the principle of Faraday’s Law, creating a voltage drop within the inductor in order to filter out noise in the circuit. It has a low DC resistance and has a wide operating temperature range of -40 to +125°C, allowing for solid performance in a variety of different scenarios.

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