S1210R-391H

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Fixed inductors play an important role in electrical and electronic circuits by providing inductance capability in a variety of ways. The S1210R-391H is a type of fixed inductor that is designed for use in various signaling applications, providing inductance with a wide operating temperature range and excellent AC characterization.

Introduction to S1210R-391H

The S1210R-391H is a high power fixed inductor manufactured by Diodes Incorporated. It is designed for application in power electric and power electronic circuits, providing a highly reliable and efficient inductance solution. The rated inductance on the S1210R-391H is rated up to 680µH, with a wide temperature range from -55°C to +125°C. It is designed for use in a wide variety of power topologies, including flyback, forward, bridge, buck, and boost. As an additional feature, the inductor has an integrated copper core, providing excellent heat dissipation capability.

Application Field

The S1210R-391H is mainly used for power converter applications, such as signal processing in consumer electronics and automotive systems. In addition, the inductor is also suitable for multiple-phase applications such as LCD panels, cell phone chargers, and dc-dc converters. As the inductor comes with an integrated copper core, it is highly suitable for designs with high power levels and in ratings up to 7 A, where heat dissipation requirements are stringent.

Design

The S1210R-391H is designed for use in both single- and multiple-phase inductive topologies. It features a small size with a footprint as small as 13.5 x 17mm, making it suitable for integration in designs with space constraints. The device also features an excellent AC performance with low DCR and minimal core loss. It is designed for use in high frequency applications with resonance frequencies up to 3 MHz.

The Working Principle

The S1210R-391H is a standard fixed inductor, operating on the principle of Faraday\'s law of induction. It behaves as a passive electrical component—that is, it stores energy in a magnetic field as the current passes through it. This magnetic field varies with the rate of change of current, providing inductance to the circuit. This inductance prevents sudden changes in current from circulating in the circuit, instead allowing the inductor to control the rate of change of current in the circuit. This helps reduce voltage spikes in the circuit, which can cause damage to components.

Conclusion

The S1210R-391H is a type of fixed inductor, designed mainly for use in power electric and power electronic circuits. It is designed for use in high frequency applications, with a wide temperature range and excellent AC characteristics. The device contains an integrated copper core for improved heat dissipation and comes with a wide range of inductance ratings. The S1210R-391H is a highly reliable and efficient inductor, providing users with excellent performance and reliability.

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