The ICSI112137F4SHMST12 from knitter-switch is a Power Inductor with Inductance 1.1 µH, Inductance Tolerance ±20 %, DCR 3.6 milli-ohm, Saturation Current 13.0 A, Temperature Operating Range -40 to 150 Degree C. Tags: Surface Mount. More details for ICSI112137F4SHMST12 can be seen below.