The SRR1280-390M is a shielded surface-mount power inductor designed for input/output filtering in DC/DC converters and power supply circuits. It features an inductance of 390 µH with ±10% tolerance, a DC resistance of 680 mO, and a rated RMS current of 1.0 A with a saturation current of 1.4 A. The inductor operates across a temperature range of -40°C to +125°C and exhibits a self-resonant frequency of 2.7 kHz, making it suitable for low-frequency power applications. With its ferrite core construction and shielded design, the SRR1280-390M is ideal for portable communication equipment, camcorders, and LCD television power supplies where compact size and reliable filtering are essential.