2200LL-3R9-H-RC

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Fixed inductors are critical components found in any number of electronic applications and are an integral part of many safety circuits. The more popularly used fixed inductors are of the 220LL-3R9-H-RC application field and today, we will try to analyze their working principle.

The 220LL-3R9-H-RC inductor is a wire wound, miniature-sized, radial leaded inductor. It is very popular with designers of space-saving solutions. The nominal inductance value of this particular type of inductor is in the range of 3.9 µH to 220 µH and a rated current of up to 0.58 A. The maximum DC resistance of inductance is typically ≤ 0.140 ohms. It is dipped in an epoxy resin compound, which acts as insulation and makes it highly resistant to environmental stresses.

The 220LL-3R9-H-RC application field is a wide one which includes amplifier circuits, electronic power drivers, switching power supplies, automotive electrical circuits, switching signal circuits, temperature controls, and much more. The advantage of using this inductor is its miniature size and lower DC voltage, which enables it to be used in situations where space is at a premium.

The working principle of this type of inductor is based on the inductance effect of an alternating current (AC) or a direct current (DC). When the current flows through the inductor, it produces a magnetic field, and depending on the direction of the current, the direction of the magnetic field also changes. This change in magnetic field induces a voltage in the inductor, which is proportional to the amount of current flowing through it. This induced voltage then opposes the source voltage, which acts as a “braking” effect and decreases the current in the inductor.

The 220LL-3R9-H-RC inductor is highly useful and an efficient solution for any number of applications. Its inductance value and maximum resistance are well-suited to a wide range of designs, and its size is ideal for many space-saving applications. With its better resistance to environmental stresses, this inductor is expected to be even more popular among designers in the near future.

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