*********************************************************************** *********** PANJIT International Inc. *********** *********************************************************************** *Mar 08, 2019 * * * *This SPICE Model describes the characteristics of a typical device * *and does not respresent the specification. Designer should refer to * *the same type name data sheet for specification limits. * *********************************************************************** *$ .subckt BZT52-C5V1-AU A K .param +vc0 = 5.846e-11 vc1 = 2.716e-11 vc2 = 6.903e-11 vc3 = 3.405e-0 +tc1 = 4.051e-3 tc2 = 7.421e-3 d1 A K zener g1 K A value = {(vc0+vc1*v(K,A)+vc2*exp(vc3*v(K,A)))*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))} .model zener d ***** flag parameter ***** +level = 1 ***** dc model parameter ***** + is = 5.232e-16 n = 1.012 rs = 4.401e-1 +ibv = 5e-3 nbv = 1.0 bv = 5.105 +ikf = 6e-2 ***** capacitance parameter ***** +cjo = 1.298e-10 m = 3.706e-1 vj = 8.449e-1 + fc = 0.5 ***** temperature coefficient ***** +tnom = 25 eg = 1.148 xti = 3 +trs1 = 1.109e-3 tbv1 = 1.702e-4 tikf = 5e-3 .ends BZT52-C5V1-AU *$