The IRH4D18M220 from TRIGON COMPONENTS is a Power Inductor with Inductance 22.00 µH, Inductance Tolerance ±20 %, DCR 397 milli-ohm, Saturation Current 0.41 A, Temperature Operating Range -40 to 85 Degree C. Tags: Surface Mount. More details for IRH4D18M220 can be seen below.