Patent ID: 8648685

Claim:
A transformer comprising: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner part thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein at least one of the bobbins includes a coil skip part which is a route through which lead wires of the coil skipped through the flange part is disposed on an outer surface of the flange part, wherein the coil skip part includes: a skip groove, a route by which the lead wires of the coil wound around the body part move to an outer surface of the flange part; and a traversing route, a route disposed so that the lead wires skipped through the skip groove traverse a lower surface of the flange part.