The ISMP1004MR56 from TRIGON COMPONENTS is a Power Inductor with Inductance 0.56 µH, Inductance Tolerance ±20 %, DCR 1.9 milli-ohm, Saturation Current 36 A, Temperature Operating Range -20 to 125 Degree C. Tags: Surface Mount. More details for ISMP1004MR56 can be seen below.