LQP02HQ3N5B02L

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Fixed inductors including the LQP02HQ3N5B02L type are commonly used in applications where a repeatable inductance is required, such as in power supplies and filters. They are sometimes referred to as chokes because they suppress high frequencies.

Depending on the exact requirements of a circuit, different types of inductors can be used. An inductor is an element that resists a change in current due to an applied voltage. An inductor consists of a wire wound in a coil. In an alternating current (AC) circuit, when a voltage is applied, the inductor acts to store energy in the form of a magnetic field. In a direct current (DC) circuit, an inductor operates like a resistor, resisting the flow of current.

The LQP02HQ3N5B02L is a SMT shielded power inductor for use in power circuit applications such as switching power supplies or DC/DC converters. It is a low-profile SMD inductor, with a height of 4mm and a 3A saturation current rating. It has a ferrite body with a magnetic shield to reduce EMI interference.

The working principle of this type of inductor is relative simple. When AC current is applied, the electrical field causes a magnetic field within the inductor, which induces a counteracting voltage. This counteracting voltage opposes the original current, thus creating a back EMF, which limits the amount of current that can flow. This is known as inductive reactance, or self-inductance.

In a DC circuit, the inductor will act as a resistor, limiting the flow of current through the inductor coil and thus acting as a voltage regulator. By adding inductors to a circuit, it is possible to control the magnitude of the current. In AC circuits, inductors tend to reduce the amount of voltage due to the counter EMF, which is known as inductive reactance.

The LQP02HQ3N5B02L inductors are ideal for use in switching power supplies, DC/DC converters, voltage regulators, and other power applications. Their low profile, high saturation current rating, and EMI shielding make them an excellent choice for a variety of circuit applications.

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