You see these in circuits incorporating SMPS all the time: https://www.digikey.com/en/product-highlight/f/fair-rite-products/surface-mount-ferrite-beads https:/

You see these in circuits incorporating SMPS all the time: https://www.digikey.com/en/product-highlight/f/fair-rite-products/surface-mount-ferrite-beads https://www.digikey.com/en/product-highlight/f/fair-rite-pro... Smaller, cheaper, lighter, better. Just hard to retrofit if they weren’t designed as part of the board to begin with.