The new type DC solid state relay is a kind of new contactless switching device,with the new type IGBT and power field effect tube as the core and composed completely by solid state electron devices.

• 新型直流固态继电器是一种以新型器件IGBT以及功率场效应管为核心的,全部由固态电子器件组成的新型无触点开关器件。