SDR0503-472JL is a surface-mount power inductor from Bourns' SDR0503 series, designed for input/output filtering in DC/DC converters and power supply applications. The device features an inductance of 4700 µH (±5% tolerance) with a maximum DC resistance of 48.00 O and operates at a test frequency of 0.252 MHz with a self-resonant frequency minimum of 1.0 MHz. It is rated for an RMS current of 0.040 A and a saturation current of 0.050 A, with a low profile of 3.3 mm maximum height and ferrite core construction. The inductor is RoHS compliant and suitable for portable communication equipment, camcorders, LCD TVs, and car radio power supplies, offering reliable performance across an operating temperature range of -40°C to +125°C.