The ICSI30121740SHMST12 from knitter-switch is a Power Inductor with Inductance 0.30 µH, Inductance Tolerance ±20 %, DCR 3.8 milli-ohm, Saturation Current 35.0 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for ICSI30121740SHMST12 can be seen below.