A pcb relay product is an electrical control device, which is an electrical appliance that causes the controlled quantity to undergo a predetermined step change in the electrical output circuit when the change in the input quantity (excitation quantity) meets the specified requirements.

Automotive PCB relay products are mainly composed of coils, armatures, moving contacts and static contacts. When the current passes through the coil, a magnetic field is generated, attracting the moving contact to move, and contacting the static contact, so that the terminal 1 and the terminal 2 are connected, so the main circuit forms a loop, so that the controlled electrical appliances are put into operation.

5v relay products belong to a classification of relay products, which also have certain requirements for the operating environment. So the popular knowledge today is about the working principle of 15v relay products and the content of reference value in power calculation.

5v relay products Due to the low power supply voltage, the contact between the moving and static iron cores is not tight, so that the current through the coil is too large, and the coil heats up and burns.