Provided is a tape for electronic devices with lead crack and a method of manufacturing the tape. According to the present invention, by forming a cutting portion on a narrow circuit pattern to be connected from an inner lead to an outer lead and further forming the cutting portion within a resin application portion, the problem of occurrence of cracks along a width of a narrow wiring can be avoided. The tape may include a first lead and a second lead formed on a dielectric substrate and a cutting portion formed on one of the first lead and the second lead wherein the cutting portion is formed within a resin application portion.