FP1108L4-R180-R

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Fixed inductors are components used in circuits to resist a steady flow of current. Commonly used in published circuit designs, such as DC-DC switching supplies, the FP1108L4-R180-R is a surface mount, high voltage, changeable, common-mode inductor. It is designed for use in DC-DC converters and AC line filters. The operating temperature range of this inductor is -40°C to +105°C.

The FP1108L4-R180-R has a ferrite core and windings made of an enameled copper wire for maximum durability and heat dissipation. The L4-R180-R is available in a range of inductance values, from 0.60 to 1.50 µH, and can operate at frequencies up to 1.5MHz. It also features an insulation resistance of 5kV minimum, a rated current of 500mA, and a self-resonant frequency of 8.5MHz.

This inductor exhibits very low DCR of 2.6 ohm max at 0.7A, 1.51 ohm at 140mA, and 1.17 ohm at 250mA. This low DCR helps reduce power consumption and allows higher efficiency in power converters.

The working principle of this inductor relies on Faraday’s law of electromagnetic induction. When an alternating current passes through a coil, an electromagnetic field is created that stores energy. This stored energy then generates an electromotive force that opposes the current, and this force is called inductance. This results in an increased voltage drop along the inductor and a decreased current in the opposite direction. In effect, the inductor filters the AC current, reducing the amount of energy that is passed on to the circuit pathways.

The FP1108L4-R180-R can be used in a wide variety of applications, including DC-DC converters, AC line filters, high voltage DC power supplies, and noise and EMI filters. It is also useful in amplifiers, transformers, and other power conversion and signal conditioning systems.

In conclusion, the FP1108L4-R180-R inductor is a high-voltage, surface-mount inductor that works on the principles of Faraday’s law of electromagnetic induction. It features a ferrite core and is available in a range of inductance values from 0.60 to 1.50 µH and can operate at frequencies up to 1.5MHz. It has an insulation resistance of 5kV minimum and delivers very low DCR, allowing for higher efficiency in power converters. It can be used in DC-DC converters and AC line filters, as well as in amplifiers, transformers, and other power conversion and signal conditioning systems.

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