The IRH4D18M180 from TRIGON COMPONENTS is a Power Inductor with Inductance 18.00 µH, Inductance Tolerance ±20 %, DCR 338 milli-ohm, Saturation Current 0.48 A, Temperature Operating Range -40 to 85 Degree C. Tags: Surface Mount. More details for IRH4D18M180 can be seen below.