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Fixed Inductors

Fixed inductors, also known as fixed-value inductors, consist of a coil structure wound around a core. This core can be made of magnetic materials such as ferrite or iron and wrapped in a non-magnetic material, usually plastic. The function of an inductor is to store electrical energy in the form of magnetic fields. The stronger the magnetic field, the greater the inductance of the inductor. In the past, inductors were typically constructed out of coils of wire, but this has now been superseded by more reliable, miniature, and inexpensive components, such as RLB0914-391KL.

RLB0914-391KL application field and working principle

The RLB0914-391KL is a type of inductor mainly used for power applications. This fixed inductor is particularly suitable for power supplies, switching chips, DC converters, and flyback converters, as well as other applications requiring high reliability and stable performance. The RLB0914-391KL is supplied in an SMD package with a molded body which is light weight and small in size for easy installation. It offers a wide range of tolerances (±5%, ±10%) and is available in various sizes and shapes.

The basic working principle of RLB0914-391KL is to store energy in the form of magnetic flux or current when a voltage is applied across the terminals. When a current passes through the inductor, the winding of wire around the core creates a magnetic field which resists any attempt to change the current through it. This generates a voltage across the terminals which acts against the applied voltage source. This is called the inductive reactance and is the property of the inductor which opposes the change in current. In other words, an inductor is a reactive component which tends to preserve or maintain existing conditions.

The RLB0914-391KL is also known as an “energy-sinking” component due to its ability to absorb electrical energy and store it in a magnetic form for long periods of time. This is an important characteristic of fixed inductors for the efficient transfer and conversion of electric power. The RLB0914-391KL offers a low self-resonance frequency (typically less than 200 kHz) and a high operating temperature (up to 150°C). This makes it ideal for a wide range of applications from high frequency switching in digital circuits and low frequency power regulation in power supplies.

In addition, the RLB0914-391KL is designed with a radial leaded body structure which can support a high level of vibration. This is important for applications that require stable and reliable performance in harsh environments such as automotive and industrial applications. This robust construction and reliable performance make the RLB0914-391KL a perfect solution for use in high-temperature and high-vibration applications.

In conclusion, the RLB0914-391KL is a fixed inductor suitable for a wide range of power applications, including those requiring high vibration and temperature resistance. This compact component offers accurate tolerances and low self-resonance frequency, allowing it to be used in a wide range of demanding power applications. It is an excellent choice for those looking for reliable and robust components to use in high-temperature and high-vibration applications.

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