Electromagnetically-compatible harmonious-type automobile electric horn

The utility model discloses an electromagnetically-compatible harmonious-type automobile electric horn which comprises a horn chassis component, a diaphragm component, a field-effect transistor and a PCB. The power supply positive and negative ends on the PCB are connected with a capacitor. The field-effect transistor and the capacitor are arranged at the two ends of the PCB respectively, the axis intersection angle delta of the field-effect transistor and the capacitor being 25 degrees+/-15 degrees. The electromagnetically-compatible harmonious-type automobile electric horn helps to achieve the purposes of simple structure, convenient processing, and low production cost, and realize the advantages of few components, good universality, convenient installation and debugging, and can meet electromagnetic interference standard requests.