SRN4018TA-2R2M is a semi-shielded power inductor from Bourns designed for use in switching power supplies and DC-DC converters. The device features an inductance of 2.2 µH at 100 kHz with ±20% tolerance, a DC resistance of 0.042 O, and a self-resonant frequency of 70 MHz. It is rated for a continuous RMS current of 2.9 A with a saturation current of 3 A, and operates reliably across a temperature range of -55°C to +125°C with a 40°C temperature rise at rated current. The inductor is AEC-Q200 qualified, RoHS compliant, and halogen-free, making it suitable for automotive and industrial applications requiring high reliability and environmental compliance.