Zener Diodes ELECTRICAL RATINGS @ 25C AMBIENT Metal Nominal Test Max. Max. Hermetic Seaied Voltage Current Maximum Zener Impedance D.C. Forward Stud Mounted +20% Current Voltage V2 ler lex Zz @ Iz 174 Z2.@ law lz @ OXORO) JEDEC NUMBER 10 Watt @ 25C Amb. (Volts) (MA.) (Ohms) (MA.) (Ohms) (MA.) (Volts) 1N2970 6.8 370 .2 1.0 500 1470 1.5 1N2971 7.5 335 1.3 1.0 250 1333 1.5 1N2972 8.2 305 1.5 1.0 250 1219 1.5 1N2973 9.1 275 2.0 1.0 250 1098 1.5 1N2974 10 250 3 1.0 250 1000 1.5 1N2975 il 230 3 1.0 250 909 1.5 1N2976 12 210 3 1.0 250 833 1.5 1N2977 13 190 3 1.0 250 769 1.5 1N2978 14 180 3 1.0 250 714 1.5 1N2979 15 170 3 1.0 250 666 1.5 1N2980 16 155 4 1.0 250 625 1.5 1N2981 17 145 4 1.0 250 588 1.5 1N2982 18 140 4 1.0 250 555 1.5 1N2983 19 130 4 1.0 250 526 1.5 1N2984 20 125 4 1.0 250 500 1.5 1N2985 22 115 5 1.0 250 454 1.5 1N2986 24 105 5 1.0 250 416 1.5 1N2987 25 100 6 1.0 250 400 1.5 1N2988 27 95 7 1.0 250 370 1.5 1N2989 30 85 8 1.0 300 333 1.5 1N2990 33 75 9 1.0 300 303 1.5 1N2991 36 70 10 1.0 300 277 15 1N2992 39 65 11 1.0 300 256 1.5 1N2993 43 60 12 1.0 400 232 1.5 1N2994 45 55 13 1.0 400 222 1.5 1N2995 47 55 14 1.0 400 212 1.5 1N2996 50 50 15 1.0 500 200 1.5 1N2997 51 50 15 1.0 500 196 1.5 1N2998 52 50 15 1.0 500 192 1.5 1N2999 56 45 16 1.0 500 178 1.5 1N3000 62 40 17 1.0 600 161 1.5 1N3001 68 37 18 1.0 600 147 1.5 1N3002 75 33 22 1.0 600 133 1.5 1N3003 82 30 25 1.0 700 121 1.5 1N3004 91 28 35 1.0 800 109 1.5 1N3005 100 25 40 1.0 900 100 1.5 1N3006 105 25 45 1.0 1000 95 1.5 1N3007 110 23 55 1.0 1100 90 1.5 1N3008 120 20 75 1.0 1200 83 1.5 1N3009 130 19 100 1.0 1300 76 1.5 1N3010 140 18 125 1.0 1400 71 1.5 1N3011 150 7 175 1.0 1500 66 1.5 1N3012 160 16 200 1.0 1600 62 1.5 1N3014 180 14 260 1.0 1850 55 1.5 1N3015 200 12 300 1.0 2000 50 1.5 Note Voltage Tolerance: All Semicon Zener diodes are offered in 20%, 10%, and 5% tolerances. The suffix B" indicates +5%, the suffix A indicates +10% and absence of a suffix letter indicates tolerance of +20%. 1% tolerance matched pairs available. . Normal Polarity: Anode to stud; for Cathode to stud add suffix 'R. (Ex. IN2970R) . Normal Polarity: Anode to case; for Cathode to case add suffix R. . Refer to page 8 for derating curve. . Operating and Storage Temperature: absolute maximum limits 65C to +175C case. . Operating and Storage Temperature: absolute maximum limits 55C to + 150C case. See back page for case dimensions. *ObWNhe