SRU1048-4R7Y is a shielded surface-mount power inductor from Bourns designed for DC/DC converter input/output filtering and power supply applications. It features an inductance of 4.7 µH at 100 kHz with a DC resistance of 30.0 mO and a maximum RMS current rating of 9.5 A, supporting saturation current of 5.50 A typical. The device has a unit height of 4.8 mm, self-resonant frequency of 7.96 MHz, and quality factor (Q) of ±30, making it suitable for compact power management designs. Common applications include portable communication equipment, camcorders, and LCD TV power supplies, where reliable filtering and current handling are essential for stable DC/DC converter operation.