Optocouplers & Solid State Relays
Technical Information
Together NEC Electronics and CEL have a wealth of technical knowledge and information to offer, from our experienced engineers to regularly updated application notes and white papers.
CEL also provides instant technical support via a phone call to our engineers or our online technical support, which can be accessed through the technical inquires form. Below are the links to the most frequently asked questions regarding our optocoupler and solid state relay devices.

