Hi everyone, what is the constitutive relashionship between current and voltage of a varistor in LTSpice? For example, if I set the control voltage V=1V and Rclamp=2, what is the formula to evaluate the resistance of varistor? I tried to do this simulation (I used a 10V voltage source in serie with R1=1 and a varistor), but the result it's strange for me. The current on R1 is 3A, V(R1)=R1*I(R1)=1*3=3V, but the resistance of varistor is not Rclamp=2 (is 7/3=2.3).
Thank you very much.
Thank you very much.