On which field workers to assemble a replacement email. 10A relay?

Question

Do it yourself

In a DC voltage circuit, a motor is connected. Started by pushbutton switch via relay. I want to implement a push-button switch through a transistor. Load 10a. Advise a ready-made and simple solution \ circuit diagram on specific transistors that will replace the relay. The voltage in the circuit is 12v, the load is 10a. It is desirable to have as low a heat-generating solution as possible.

Answer 1

Choose any FET with a current margin. For an electric motor, you need to add an external diode (from source to drain) to protect against breakdown of the transistor from self-induction. Heat dissipation will directly depend on the resistance of the open channel.