Patent ID: 7970033

Claim:
A semiconductor device comprising: a first lead having an element mounting portion; a second lead disposed with a predetermined space left between the first lead and the second lead; an encapsulant made of a transfer-molding resin for fixing the first lead and the second lead; and a semiconductor element disposed on a top surface of the element mounting portion of the first lead, wherein: the encapsulant covers at least part of upper and lower surfaces of the first lead and at least part of upper and lower surfaces of the second lead, and a resin injection hole mark, which is a mark of a hole through which the encapsulant is injected, is left on the encapsulant, and part of the resin injection hole mark is located above the first lead or the second lead, and the remaining part of the resin injection hole mark is located above a space between the first lead and the second lead.