RL187-272J-RC

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Fixed inductors, also known as line coils, chokes, or reactor, are usually used in various applications, such as voltage regulation and filtering systems. One of these kinds of inductors is RL187-272J-RC.

In general, the RL187-272J-RC is a surface-mounted chip style fixed inductor, built in an ultra-compact frame and available in a wide range of inductance values, ranging from 10nH to 330nH. It also features a wide operating temperature range featuring -40°C to +125°C, and is capable of withstanding high humidity environments with excellent corrosion resistance. Moreover, the RL187-272J-RC shows excellent Q (Quality Factors) performance.

In terms of applications, RL187-272J-RC is mainly used in EMI filter, DC/DC conversion, power supplies/chargers, and other general purpose AC/DC circuits. In addition, the inductors are suitable for impedance matching in wireless communication systems. The RL187-272J-RC\'s excellent high temperature performance also make it ideal for burn-in, high rate, and reflow soldering. It is also able to cope with various severe conditions encountered in consumer electronics.

When it comes to working principles, Fixed inductors basically operate by storing energy in a magnetic field when a current passes through its coil. The current is actually induced into the inductor, creating a transient magnetic field that is constantly changing, and this current is stored within the inductor. The stored energy is released back into the system when the current drops below a certain level, or the circuit opens.

The RL187-272J-RC adopts a series-resonant circuit to transfer energy between different components. This series-resonant circuit consists of a coil, a capacitor and a resistor, and the RL187-272J-RC also contains a built-in thermistor to regulate the frequency and dampen overshoot. The circuit’s resonance frequency is determined by the value of the coil, the capacitor and the resistor. The RL187-272J-RC can be adjusted according to system requirements as long as its coil value does not change.

To sum up, the RL187-272J-RC is a surface-mounted chip style fixed inductor with wide operating temperature range featuring -40°C to +125°C. Mainly used in EMI filter, DC/DC conversion, power supplies/chargers, it also is used in other general purpose AC/DC circuits and wireless communication systems. It works by storing energy in a magnetic field when current passes through its coil, and adopting a series-resonant circuit to transfer energy between different components.

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