L-15FR47KV4E

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Fixed inductors are widely used in countless applications, from radio circuits and power supplies to filters and signal conditioning. Increasingly, inductors are replacing bulky and complex mechanical components within many products. The L-15FR47KV4E is a fully featured fixed inductor manufactured by Laird Technologies, a top-tier manufacturer of specialty magnetics components. This inductor combines high-performance and competitive pricing to suit a wide range of applications and budgets. By understanding its features, capabilities, and working principles, the L-15FR47KV4E can help you meet product design objectives.

Application Field and Working Principle of L-15FR47KV4E

The L-15FR47KV4E is a fixed inductor designed to hold a basic inductance of 47.000µH ±20%. Its resistance is 1.07Ω Δ10% at 77°F, and it has a rated current of 15.00A. The maximum DC current is 18.70A, the maximum AC peak current is 24.56A, and the maximum DC (average) current is 295mA. The operating temperature range is -40°C to +125°C.

Based on its operating principle, an inductor is an electrical component that works by storing energy in a magnetic field, when a DC voltage is applied across it. It is usually made up of conductive wires wound in a coil or several coils that have varying number of windings. The magnetic field that builds up in the coil depends on the number of turns and the number of amperes being passed through the coil. The voltage across the inductor changes only slightly with increasing current until it reaches its rated value. The magnetic field then collapses, storing the energy in the form of current.

As a result, the application field of L-15FR47KV4E is primarily in high current circuits such as DC to DC converters, power supplies, and DC motor drives. It is also suitable for use in AC power and signal line filtering, and in applications such as high-frequency automotive electronics, withstanding impulse current for vehicular traction and Electronic Control Unit (ECU) systems.

As a fixed inductor, the L-15FR47KV4E includes several features designed to improve performance and reduce system costs. Its low DC resistance reduces power loss, and its high power rating enables use in applications with higher current requirements. Its high-strength terminations are designed for long-term use in harsh environments, while its lightweight design enables installation in applications where size and weight limits must be met. The device also has specified surge characteristics that protect against transient over-voltage damage.

The L-15FR47KV4E is designed with a winding-to-case construction, which ensures high levels of inductance stability. Its wide operating temperature range provides protection for various electronics applications in broad temperature ranges, while its conformal coating provides protection against harmful environmental contaminants.

Finally, the inductor has a high self-resonant frequency that ensures high-frequency performance and low losses in power systems.

Conclusion

The L-15FR47KV4E fixed inductor is designed for use in applications where size and weight limits must be met and in high current circuits such as DC to DC converters, power supplies, and DC motor drives. It combines high-performance and competitive pricing to suit a wide range of applications and budgets, and its features are designed to reduce system costs and provide protection for various electronics applications in a wide range of temperatures. With these features and capabilities, the L-15FR47KV4E can help meet product design objectives.

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