公开(公告)号：US20170330679A1

公开(公告)日：2017-11-16

申请号：US15593676

申请日：2017-05-12

Applicant: FOXCONN INTERCONNECT TECHNOLOGY LIMITED

Inventor： YONG-CHUN XU ,  MING-SHENG SU

IPC: H01F27/28 ,  H01F27/29 ,  H01F27/24

CPC classification number: H01F27/2823 ,  H01F19/04 ,  H01F27/24 ,  H01F27/2895 ,  H01F27/29

Abstract: A transformer (100) includes a magnetic core (1), a primary coil (2), and a secondary coil (3) wound around the magnetic core (1), the primary coil including a first enameled wire (21) and a second enameled wire (22), one end of the first enameled wire and one end of the second enameled wire forming a first center tap (23) twisted into a bundle, the secondary coil including a third enameled wire (31) and a fourth enameled wire (32), one end of the third enameled wire and one end of the fourth enameled wire forming a second center tap (33) twisted into another bundle, the transformer (100) having only four enameled wires and the first center tap (23) is cross with the second center tap (33).