If you'd like to buy the component, just search for the specific component you need on SnapEDA. You'll see the pricing and availability from distributors on the product page. There will also be links there to purchase the components. Here's an example: https://www.snapeda.com/parts/LM2576HVSX-12/NOPB/Texas%20Instruments/view-part/?ref=search&t=LM2576HVS. Hope that helps and let us know if you need anything else!