*1N749 *Motorola 4.3V 500mW Si Zener pkg:DO-35 1,2 .MODEL MZ043 D( IS=1E-11 RS=10.47 N=1.27 TT=5E-8 CJO=4.683E-10 VJ=0.75 M=0.33 BV=4.091 IBV=0.01 )