The SPM5030T-3R3M with Fixed Inductors 3.3uH 20% 29.48mOhms 4.3A is a cylindrically-shaped, ferrite-cored inductor manufactured by TDK. It is suitable for use in many electronic applications, such as power supplies, power amplifiers, and switching circuits. The inductance value is 3.3uH, with a 20% tolerance, and the test frequency is 100KHz. The rated current is 4.3 A, with a DC resistance of 29.48mOhms. The product is made of tin-plated copper wire and has an inductance range of 2 to 20 uH. The SPM5030T-3R3M has a maximum operating temperature of 125 °C, and a storage temperature of -40 to +125 °C.