Glass 400 mw oY 400 mW YY 500 mW a 1.5 W ~) ( POWER Y a PACKAGE d DO-7 DO-35 po-41 ( Zener Volts 27 1N971 B BZX79C27 1N5935 B 28 30 iN972 B BZX79C30 1N5936 B 33 1N973 B BZX79C33 1N5937 B 36 1N974 B BZ2X79C36 1N5938 B 39 1N975 B BZX79C39 1N5939 B 43 1IN976 B BZX79C43 1N5940 B 47 1N977 B BZ2X79C47 1N5941 B 51 1N978 B BZX79C51 1N5942 B 56 1N979 B BZX79C56 1N5943 B 60 62 1N980 B BZX79C62 1N5944 B 68 1N981 B BZX79C68 1N5945 B 75 1N982 B BZX79C75 1N5946 B 82 1N983 B BZX79C82 1N5947 B 87 91 1N984 B BZX79C91 1N5948 B 100 1N985 B BZX79C100 1N5949 B 110 1N986 B BZX79C110 1N5950 B 120 1N987 B BZX79C120 1N5951 B 130 1N988 B BZX79C130 1N5952 B 140 150 1N989 B BZX79C150 1N5953 B 160 1N990 B BZX79C160 1N5954 B 170 180 1N991 B BZX79C180 1N5955 B 190 200 L 1N992 B J BZX79C200 1N5956 B Ne y, A \ A. y, Metal Note: All the above preferred types have 50/o tolerance. 4 POWER | 10 W (~ 50 W \ \. packace A DO-4 10-3 DO-5 ( Zener ) Volts 3.9 1N3993 A 1N4557 B 1N4549 B 4.3 1N3994 A 1N4558 B 1N4550 B 4.7 1N3995 A 1N4559 B 1N4551 B 5.1 1N3996 A 1N4560 B 1N4552 B 5.6 1N3997 A 1N4561 B 1N4553 B 6.2 1N3998 A 6.8 1N3999 A 1N2970 B 1N4563 B 1N2804 B 1N4555 B 1N3305 B 7.5 1N4000 A 1N2971 B 1N4564 B 1N2805 B 1N4556 B 1N3306 B 8.2 1N2972 B 1N2806 B 1N3307 B 9.1 1N2973 B 1N2807 B 1N3308 B 10 1N2974 B 1N2808 B 1N3309 B 11 1N2975 B 1N2809 B 1N33108 12 1N2976 B 1N2810 B 1N3311 B 13 1N2977 B 1N2811 B 1N3312 8 14 1N2978 B 1N2812 B 1N3313 B 15 1N2979 B 1N2813 B 1N3314 B 16 1N2980 B 1N2814 B 1N3315 B 17 1N2981 B 1N2815 B 1N3316 B 18 1N2982 B 1N2816 B 1N3317 B 19 1N2983 B 1N2817 B 1N3318 B 20 ) SD 1N2984 B ) 41N2818 B Y ) 1N3319 B Ne Ne Ne \ Ne ON \