LQB18NNR33K10D

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Fixed Inductors

Fixed inductors are electric components that are designed to resist the passage of electric current by storing energy in the form of a magnetic field when current is present. The device works by inducing an electromotive force (EMF) in the form of a sinusoidal waveform, which is generated by the changing magnetic field.Inductors are classified into two main types of components: fixed and variable. Variable inductors are adjustable components, such as the coil androtor windings used in switch mode power supplies. Fixed inductors, on the other hand, have a fixed inductance value that is set from the design considerations. Fixed inductors are used in a variety of applications, including power supplies, radio and audio frequencies, and radio frequency circuitry.

LQB18NNR33K10D application field and working principle

The LQB18NNR33K10D is a fixed inductor manufactured by TDK, a leading inductor manufacturer. This product is designed for application in various power supply circuits, and is suitable for use in Flyback converters, AC/DC converters, SMPS (Switch Mode Power Supply) circuits, and other power supply designs. The LQB18NNR33K10D has a nominal inductance value of 33 mH with a DC resistance of 4.5 ohms and a maximum DC current rating of 4 A with a core saturation current of 11 A.

The working principle of the LQB18NNR33K10D is based on Faraday’s law, which states that when a changing magnetic field passes through a coil, an electric current is induced. When current is passed through the coil, it creates a magnetic field which produces a force that opposes the change in the current. This creates an opposition to the current (or inductance) that is proportional to the area of the coil and inversely proportional to the number of turns in the coil.

The LQB18NNR33K10D is designed to resist the flow of current and reduce the current draw from the power circuit. When current passes through the coil, the generated magnetic field produces an opposing force that reduces the amount of current that can flow. This helps to reduce the inductive losses due to current flowing through the coil, and helps to improve the efficiency of the power circuit.

The LQB18NNR33K10D also meets the UL 94V-0 flammability requirement, making it suitable for use in a variety of consumer electronics applications. The product is designed to be long-lasting and reliable, and it has a maximum DC current rating of 40 A with a maximum DC voltage rating of 200 V, making it suitable for a wide range of applications.

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