SRU3028-330MH

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Fixed inductors are electronic components that store energy in the form of a magnetic field. Generally, they consist of one or more coils of wire wound around a magnetic material core. SRU3028-330MH is a small size, radial leaded inductor from the SRU series with ultra-high inductance performance. It is made of molded powder core with PLASTIC bobbin.

Application Field

SRU3028-330MH’s application field is especially suitable for high frequency SMPS and HF filtering etc. Its main advantages include very high inductance with low DCR and self-resonant frequency, wide range of inductance constant, good stable bias points, and high temperature stability.

The most popular applications include DC/DC conversion, telecom base station, and regulators; they are also well adapted to high volume consumer electronics, such as MP3 players, portable radios, smart phones, and notebooks. SRU3028-330MH is great for MCU power supplies and charger circuits.

Working Principle

The SRU3028-330MH uses a copper or aluminum wire in a coil connected to a few pins. Current flowing through the wire induces a magnetic field, which is stored as energy in the inductor. As magnetic fields are created around the inductor, current is induced in the same direction as the original current that flowed through the inductor. This phenomenon is known as self-inductance.

When an alternating voltage is applied to the inductor, the current flows in both directions, creating an alternating magnetic field. This changing magnetic field induces an alternating current in the inductor. This phenomenon is known as mutual inductance. Mutual inductance can also occur between current-carrying wires that are near each other.

The stored energy in the inductor can be used to reduce noise in high-frequency circuits. It also helps to filter AC ripple in high-current DC power supplies and provides reliability to RF circuits. One of the main reasons for the SRU3028-330MH’s popularity is its ability to do all these tasks while still keeping a compact size.

SRU3028-330MH is a great choice for high-power outputs and power management applications. Its low profile design and small package size make it ideal for use in tightly packed circuit boards. It also has excellent temperature stability, making it suitable for use in high temperature applications.

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