DR127-220-R is a high power density, high efficiency shielded drum core inductor designed for power conversion and filtering applications. It features a rated inductance of 22.0 µH with an OCL of 22.93 µH (±20%), a DC resistance of 0.0391 O typical, and supports an RMS current of 4.00 A and a peak saturation current of 7.57 A. The inductor utilizes ferrite core material with magnetic shielding for reduced EMI and operates over a temperature range of -40°C to +125°C. Common applications include DC-DC converters, buck, boost, forward, and resonant converters, as well as noise filtering in computers, DVD players, portable power devices, and LCD panels.