gh/t73relay-买球软件

automotive relays and fuses have a common feature, both for safety, and the lack of understanding of circuit components, so some people are not very clear about the difference between the two. everyone can distinguish in appearance, and more is not understanding the principle of action. let me talk about the difference between car relays and fuses. an automotive relay is an electrical control device that is an electrical device that causes a predetermined step change in the controlled output quantity in an electrical output circuit when the change in the input amount (excitation amount) reaches a prescribed requirement. it has a control system (also known as an input loop) and a controlled system (also known as an output back)