SRN4018-1R0Y is a semi-shielded power inductor from the SRN4018 series designed for compact, high-current power conversion applications. It features a 1.0 µH inductance at 100 kHz with ±30% tolerance, a maximum DC resistance of 0.023 O, and a rated RMS current of 3.7 A with a saturation current of 4.2 A. The inductor operates over a temperature range of -40°C to +125°C and has a self-resonant frequency of 90 MHz, with a miniature profile of 1.88 mm maximum height. This component is RoHS compliant and halogen-free, making it suitable for DC/DC converters, notebook computers, digital video cameras, HDDs, cell phones, and LCD displays where space and thermal efficiency are critical.