A method to form an electrical component, the method comprising: providing a first lead and a second lead; forming a first conductive pillar and a second conductive pillar on a first portion of the top surface of the first lead and a first portion of the top surface of the second lead, respectively, wherein a second portion of the top surface of the first lead, a second portion of the top surface of the second lead, the first conductive pillar, and the second conductive pillar form a 3D space, wherein at least one device is disposed in said 3D space and electrically connected to the at least one device to the first conductive pillar and the second conductive pillar.