The PSPNAQ8040-3R3M is a power inductor manufactured by PROD Technology which is an 8.8 x 8.8 x 4.2 mm Surface Mount Device (SMD). It is compliant with RoHS standards and features four pins with a 4.4A rated current, 3.3uH inductance value, plus or minus 20% tolerance, 19 milliohm DC resistance, and a 6.5A saturation current. This component is typically used for filtering, energy storage, and other low-loss operations in a variety of applications, including switch-mode power supplies, power factor correction, and DC-DC converters.