SRN4018-220M is a semi-shielded power inductor from Bourns' SRN4018 series, featuring a 22 µH inductance with ±20% tolerance and a maximum DC resistance of 0.348 O. The inductor operates at a test frequency of 2.52 MHz with a self-resonant frequency of 15 MHz and a quality factor (Q) of 11, delivering a rated RMS current of 0.9 A and saturation current of 0.95 A. With a miniature form factor measuring 4.0 × 4.0 mm and a maximum profile height of 1.80 mm, this component is optimized for space-constrained applications. The device is RoHS compliant, halogen-free, and rated for operating temperatures from -40°C to +125°C, making it ideal for DC/DC converters, notebook computers, digital video cameras, HDDs, cell phones, and LCD displays.