SDR0302-821KL is an SMD power inductor from the SDR0302 series designed for input/output filtering in DC/DC converters and power supply applications. It features an inductance of 820 µH at 100 kHz with ±10% tolerance, a quality factor (Q) of 45, and a self-resonant frequency of 4.0 MHz. The inductor has a low profile of 2.5 mm, low inductance values, and operates across a temperature range of -40°C to +125°C with a maximum temperature rise of 40°C at rated current. It is RoHS compliant and commonly used in portable communications equipment, camcorders, and LCD TV power supplies where compact size and reliable performance are essential.