Patent ID: 7439532

Claim:
A solid state relay comprising: a light-emitting element which is mounted on an input-side lead frame; a light-receiving element which is mounted on an output-side lead frame and receives light from the light-emitting element; a load-controlling power element which is mounted on the output-side lead frame and driven by the light-receiving element; and a resin sealing portion which molds the light-emitting element, the light-receiving element, and the load-controlling power element; wherein a first electrode of the light-receiving element is connected to a first control terminal, a first electrode of the load-controlling power element is connected to a first output terminal, a second electrode of the load-controlling power element is connected to a second output terminal, and a second electrode of the light-receiving element is connected to a gate electrode of the load-controlling power element; and the first control terminal, the first output terminal, and the second output terminal each individually lead out to the exterior of the resin sealing portion as lead terminals.