PM105SB-471-RC

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Fixed inductors are passive electronic component designed to add inductance to power streams. The PM105SB-471-RC is a SMT high-current inductor designed for a variety of applications in the automotive, consumer, industrial and medical industries. It is one of the smallest SMT inductors in the market that can deliver up to 5 amp-turns of inductance.

The PM105SB-471-RC offers maximum working frequency of 1 MHz and maximum DC resistance of 0.72 Ω. The inductor also features high surge ratings of up to 12 V/μs and >10A. The PM105SB-471-RC is capable of withstanding up to 1kV in surge tests. The inductor also offers high DC bias characteristics and stable high-frequency operation.

The main application fields for PM105SB-471-RC fixed inductor include buck-sync converters, charge pumps, DC/DC boost converters, high efficiency converters, buck/boost converters, etc. This inductor is used to reduce output ripple current and minimize power-supply inrush current. It can also be used as an EMI filter for energy-saving applications such as LED drivers. The PM105SB-471-RC offers high-precision internal inductance and tight tolerance of ±20% that allows it to satisfy the requirement of any switching mode power supplies.

The working principle of PM105SB-471-RC is based on an electromagnetic effect called self-inductance, also known as Lenz\'s law. Self-inductance is the property of an electric current whereby a change in the current results in a dynamic opposition, or reactance, of the coil which produces a counter-electromotive force. In the case of PM105SB-471-RC, the self-inductance creates a loop of current flow that helps minimize the output ripple current and reduce inrush current.

The PM105SB-471-RC fixed inductor is a small, high-current inductor with a wide range of applications in automotive, consumer, industrial and medical fields. Its working principle is based on self-inductance, and it offers maximum working frequency of 1 MHz, maximum DC resistance of 0.72 Ω, high surge ratings and excellent DC bias characteristic. It is suitable for Buck-Sync converters, charge pumps, DC/DC boost converters, high efficiency converters, buck/boost converters, and other energy-saving applications such as LED drivers.

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