SC73B-331

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Fixed inductors are passive components used in electrical engineering which inductively store energy in a magnetic field. The SC73B-331 fixed inductor is an economical metal composite core inductor primarily used as an output inductor for DC-DC converters.

The SC73B-331 inductor has a rated inductance of 3.3mH, an AC resistance of 21.5mΩ and a maximum DC resistance of 45mΩ. The rated primary current is 4.8A and the external power dissipation is 2.3W. The saturated current is 7.2A and the temperatures range from -40 to +105°C. The core material is a ferrite metal composite and the package is non-solder coated.

The working principle of the SC73B-331 fixed inductor is that current is passed through an inductive coil to produce a magnetic field which stores energy. This stored energy is used by circuit since it can react back into the circuit on command. The strength of the magnetic field produced is proportional to the amount of current passed through it.

When the SC73B-331 inductor is used in a converter, it acts as a load for the switching power supply which filters out the ripple from the converter output. The inductor stores and releases energy as required, and helps to maintain a constant output voltage. It also helps limit the current which passes through the circuit to protect against damage.

The SC73B-331 fixed inductor is also used in switching power supplies, power filter, snubber networks, and other applications, such as signal processing and power transmission systems. It is ideal for use in many general purpose and special purpose DC-DC converters.

In conclusion, the SC73B-331 fixed inductor is an economical, efficient, and reliable component used in a wide variety of applications. It is designed to have a low saturated current, high temperature rating, and shielded packaging which makes it ideal for applications requiring noise reduction. The working principle of this device is that current is passed through an inductive coil to produce a magnetic field for storage and release energy when it is needed. This device is widely used and is an excellent choice for powering a variety of electrical systems.

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