| 摘要 |
An object of the present invention is to provide a photocoupling device which can supply sufficient light to a light receiving element by increasing brightness on the input section side at a low input current, and provide a method of manufacturing, with which such a photocoupling device can be assembled without adding an extra process. A photocoupling device of the invention includes an input section having two light emitting elements and lead terminals for supplying a drive current to the light emitting elements, and an output section having a light receiving element opposed to light emitting faces of the light emitting elements and lead terminals for supplying a drive current to the light receiving element, wherein the two light emitting elements are connected in series.
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