1210R-682G

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Introduction to Fixed Inductors

A fixed inductor is a passive electronic device that stores energy in the form of magnetic fields. It consists of an inductance (coil) with its terminals connected to an electrical power source. An inductor can store or resist energy and can serve many applications, such as filters, chokes, voltage regulators, matching networks, and constant-current circuits. In addition, fixed inductors can be used as radio frequency (RF) transformers for impedance matching, and as power supplies for AC or DC power.

1210R-682G Inductor – Application Fields and Working Principle

The 1210R-682G inductor is a type of surface-mount, fixed inductor with impressive characteristics. It features a reasonable price, high current rating, low DCR, and low temperature coefficient.

The 1210R-682G can be used in a wide range of applications, such as in step-down voltage converters, adjustable power supplies, bypass capacitors, DC-DC converters, and audio amplifiers. It can also be used in RF circuits, such as filters, antennae systems, and oscillators.

The 1210R-682G is a current-controlled inductor, meaning that the inductance of the device is proportional to the input current. This allows the device to be used in applications where inductance is required to be varied accordingly.

The device works on the principle of Lenz\'s Law. When a current passes through a coil, an electromagnetic field is created around the coil. This field has the same direction as that of the current but in the opposite direction. This field opposes the change in the current; thus, acting as a source of inductance. This property of the 1210R-682G helps in regulating and controlling the flow of current in various circuits.

The device also features a self-resonating frequency, which is the frequency at which the device produces maximum inductance. This feature is useful in applications such as audio frequency filters, oscillators, and tuned amplifiers.

Advantages of 1210R-682G Inductor

The 1210R-682G inductor has several advantages, which include:

• Low cost – This device is available at an affordable price, making it suitable for a wide range of applications.
• High current rating – It can handle a current rating of up to 20A.
• Low DCR – Low DC resistance enables the device to handle high current ratings without overheating.
• Low temperature coefficient – Its low temperature coefficient ensures that its inductance does not vary too much with changes in temperature.
• Current control – It is a current-controlled device, making it suitable for applications where inductance needs to be varied accordingly.
• Self-resonating frequency – This feature helps in eliminating the need for an external filter to obtain the desired frequency response.

Conclusion

The 1210R-682G inductor is a type of fixed inductor that has a wide range of applications due to its superb characteristics. It has a low cost and high current rating, and it is a current-controlled device with a low DCR and self-resonating frequency. It is suitable for use in applications such as voltage converters, adjustable power supplies, bypass capacitors, DC-DC converters, audio amplifiers, RF circuits, and more.

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