SDR1307-391KL is an SMD power inductor from Bourns' SDR1307 series, featuring a 390 µH inductance at 100 kHz with ±10% tolerance. The inductor has a quality factor (Q) of 12 at 0.796 MHz test frequency and a self-resonant frequency (SRF) minimum of 2.5 MHz, with a maximum DC resistance (RDC) of 600 mO. It is rated for 1.00 A RMS current with a maximum saturation current of 1.50 A typical, and exhibits a temperature rise of 40°C maximum at rated current. The compact design features a maximum diameter of 13.0 mm with a height of 5.0 mm, making it suitable for space-constrained applications. This inductor is ideal for input/output filtering in DC/DC converters and power supplies for portable communication equipment, camcorders, LCD TVs, and CD players, offering RoHS compliance and reliable performance in demanding power management circuits.