Area of the diode. Thus doubling of the junction area results in a diode with double the value of l_s and as the diode equation indicates, double the value of current I for a givenforware voltage v. For”small-signal” diodes,which are small-size diodes intended For low-power applications, l_s is of the order of 10 A.Thevalue of Ls is however , a very strong function of tempera. As a rule of thumb, l_s doubles in value for every 5℃ rise in temperature.