The application provides a compound, an electronic component and an electronic device, which relate to the technical field of organic materials. The compound is shown in formula I, wherein, X 1 、X 2 and X 3 The same or different, and each independently selected from: carbon or nitrogen, where X 1 、X 2 and X 3 Not simultaneously carbon; L is selected from: single bond, arylene, heteroarylene, aralkylene, heteroaralkylene; Ar 1 is selected from: alkyl, cycloalkyl, aryl, heteroaryl, alkoxy, alkylamino, arylamino, aralkylamino; Ar 2 、Ar 3 The same or different, and each independently selected from: cycloalkyl, aryl, heteroaryl, alkoxy, alkylamino, arylamino, aralkylamino. The compound of the present application can reduce the working voltage of the electronic components, improve the luminous efficiency of the electronic components and prolong the service life of the devices.