The present invention provides a leadframe component and a package structure. The leadframe component includes a first leadframe and a second leadframe. The first leadframe includes a first chip-mounting portion for carrying a first chip, a first coil portion, a plurality of first pins and a plurality of first floated pins. The second leadframe includes a second chip-mounting portion for carrying a second chip, a second coil portion, a plurality of second pins and a plurality of second floated pins. The first leadframe is disposed above or under the second leadframe for aligning the first coil portion with the second coil portion.