The SRU1048-221Y is a shielded surface-mount power inductor from Bourns' SRU1048 series designed for input/output filtering in DC/DC converters and power supplies. It features an inductance of 220 µH at 100 kHz with a DC resistance of 4.0 mO and a quality factor (Q) of ±30. The inductor has a self-resonant frequency of 0.796 MHz and can handle an RMS current of up to 350 A with a saturation current of 0.80 A typical. With a compact unit height of 4.8 mm and RoHS compliance, this component is well-suited for portable communication equipment, camcorders, and LCD TV power supplies where space efficiency and reliable filtering are essential.