2890R-04F

Fixed inductors are passive electronic components used to store energy and regulate current. They can be found in many applications, including power supplies, capacitive loads and other voltage sources. The 2890R-04F is one of the most popular fixed inductors on the market, and it is widely used in a variety of applications.

The 2890R-04F is an axial lead, fixed inductor designed for use in a variety of power supplies and commercial applications. It is a two-wire, axial-lead type, with an inductance range from 0.05 to 1.0 µH. The 2890R-04F also features a ferrite core made of a nickel-plated steel body, with nine total turns for a total inductance of 0.5 µH. The total current rating of this device is 1.2A (DC).

The working principle of the 2890R-04F is quite simple. When a current is applied to the device, an electromagnetic field is generated, which creates a magnetic field within the device. This magnetic field increases the inductance of the device, meaning it stores more and more energy the longer the current is applied.

The 2890R-04F is used in a variety of applications, such as AC-DC power supplies, telecommunications, medical equipment, automotive ignition systems, power conversion, solar power, and instrumentation. It is also often used as a noise filter and in some switching circuits. The 2890R-04F can also be used in PWM-controlled applications, such as variable-speed motors.

The 2890R-04F is a very reliable and efficient inductor, offering a good combination of current capacity and inductance. Its ferrite core offers good thermal stability and low magnetic emission. The device is RoHS compliant, making it an environmentally-friendly choice that can be used in a range of applications.

In conclusion, the 2890R-04F fixed inductor is a popular choice for electrical engineers, providing excellent performance in a range of applications. The device\'s simple working principle and reliable performance make it an ideal choice for power-supply and commercial.