Quantity per packing Q817X Q817XV Q817XW Q817 Q817XWV Q817XSTA Q817XSTAV None None W W S S Standard 4pin DIP Standard 4 pin Dip + With VDE marking Wide lead bend (0.4 inch spacing) Wide lead bend (0.4 inch spacing) + VDE marking SMD lead form with tape and reel option SMD lead form with tape and .