LQH43PN4R7M26L

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Fixed inductors are electrical components that come in a variety of shapes and sizes and are made for specific applications. The LQH43PN4R7M26L is an inductor primarily used for LM3420, LM3421, LM3404, and LM3405 switching regulators. It is designed to support high-reliability, high-accuracy applications in commercial and industrial grade designs. The inductor is best suited for use in computer peripherals, consumer electronics, and other low-noise applications.

The LQH43PN4R7M26L is a surface mount chip with the following characteristics: inductance of 4.7 μH ± 10%, DC current rating of 1.3A (maximum of 1.6A, pulse rated at 10A for one second), resistance of 0.7025Ω (maximum 0.0255Ω at 100 kHz), impedance of 1.5  Ω (maximum 0.0255Ω at 100 kHz) and capacitance of 3.00 pF (minimum) , 3.2pF (maximum). It is temperature rated between -40C and +105C, and is rated at 10% ripple current.

The working principle of the LQH43PN4R7M26L is based upon the principle that a current passing through a loop or wire will generate a magnetic field. This magnetic field then creates a current in the opposite direction which is then passed back to the source. In the case of the LQH43PN4R7M26L, the inductor is a loop of wire formed into a coil. When a current is passed through the coil, an induced current is created and is passed back to the source.

The application field of the LQH43PN4R7M26L is mainly found within linear and switching power supplies. The inductor acts as an energy storage device and can be used to reduce ripple in power circuits by providing a filtering effect. It is also suitable for use in transformer circuits, providing the necessary inductance for transformer turns ratio calculation and operation. As such, the LQH43PN4R7M26L is commonly used in computer peripherals, consumer electronics, and other low-noise applications.

The LQH43PN4R7M26L is a reliable, efficient, and cost-effective inductor that is suitable for a range of applications. With its high accuracy, low noise, and temperature rating of -40C to +105C, it is a great choice for use in step-down, buck, and step-up/boost mode power supply application.

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