6 10 13 | 190 3: 250: 10 | 9.9 5 UZ7714 Watertown C STUD STD 1749610 14 0.175} : : 5 UZ7814 Watertown _C STUD STD 17552. 10 140.175 10 10E2Z14 Scottsdale _TO-220 STD: 24215 10 14 180 3. 250. 10 1N2978A Scottsdale DO-4 STD 1760, 10 14 180 3. 250: 10 105 10 1N2978B Scottsdale - DO-4 sTD 1761! 10 14 180 3.250! 10 105 5 JANiN2978B Scottsdale DO-4 STD 124 6962. 10 14 180 3 250) 10 105 5 JANTX1N2978B Scottsdale _ DO-4 STD 124 | 8762. 10 14 180: 3 250 10 105. 5 JANTXV1N2978B8 Scottsdale | DO-4 STD!) 124 | 10247) 10 14 180 3.' 250. 10 i065 5 UZ7715 Watertown | C STUD $TD 17498 10 15 0.18: : 5 UZ7815 Watertown | C STUD STD 17554 10 16 0.15 | 10 1N1606 Scottsdale | DO-4 sTD 4312/10 15 140 19 : 10 AN1606A Scottsdale DO-4 STD 4313) 10 15 140 (1.9 5 1N1355 Scottsdale _ DO-4 STD 1214, 10 15 500 | 2 10 1N1355A Scottsdale DO-4 STD 1215 10 15 500 2 5 1N1817 Scottsdale D0O-4 stb 1369 10 15 | 500 2 15 5 10 41N1817A Scottsdale | DO-4 _STD 137010 15. 500 2. 16 5 5 IN1817C Scottsdale _DO-4 ST

ings 201 Engineering Specifications 227 Index/Crass Reference Industry Part Number Central Part Number Code Page Industry Part Number Central Part Number Code Page Industry Part Number Central Part Number Code Page 1N 34A 118 1N2977B 128 1N3320B 1N 60 118 1N2978B 128 1N3321B 128 128 1N 67A 118 1N2979B 128 1N3322B 128 1N 87A 118 1N2980B 128 1N3323B 128 1N 91 118 1N2981B 128 1N3324B 129 1N 92 118 1N2982B 128 1N3325B 129 1N 93 118 1N2983B 128 1N3326B 129 1N 100A 118 1N2984B 128 1N3327B 129 1N 191 118 1N2985B 128 1N3328B 129 1N 192 118 1N2986B 128 1N3329B 129 1N 270 118 1N2987B 128 1N3330B 129 1N 276 118 1N2988B 128 1N3331B 129 1N 277 118 1N2989B 129 1N3332B 129 1N 283 118 1N2990B 129 1N3333B 129 1N 295 118 1N2991B 129 1N3334B 129 1N 457A 115 1N2992B 129 1N3335B 129 1N 459A 115 1N2993B 129 1N3336B 129 1N 485B 115 1N2994B 129 1N3337B 129 1N 645 115 1N2995B 129 1N3338B 129 1N 647 115 1N2996B 129 1N3339B 129 1N 649 115 1N2997B 129 1N3340B 129 1N 702A 120 1N2998B 129 1N3341B 129 1N 703A 120 1N2999B 129 1

B and 1N3993A - 1N3998A ELECTRICAL CHARACTERISTICS JEDEC TYPE NO. (Note 1) NOMINAL ZENER VOLTAGE V Z @ I ZT (Note 2) ZENER TEST CURRENT (I ZT ) 1N3993A 1N3994A 1N3995A 1N3996A 1N3997A 1N3998A 1N2970B 1N2971B 1N2972B 1N2973B 1N2974B 1N2975B 1N2976B 1N2977B 1N2978B 1N2979B 1N2980B 1N2981B 1N2982B 1N2983B 1N2984B 1N2985B 1N2986B 1N2987B 1N2988B 1N2989B 1N2990B 1N2991B 1N2992B 1N2993B 1N2994B 1N2995B 1N2996B 1N2997B 1N2998B 1N2999B 1N3000B 1N3001B 1N3002B 1N3003B 1N3004B 1N3005B 1N3006B 1N3007B 1N3008B 1N3009B 1N3010B 1N3011B 1N3012B 1N3013B 1N3014B 1N3015B Volts 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 30 33 36 39 43 45 47 50 51 52 56 62 68 75 82 91 100 105 110 120 130 140 150 160 175 180 200 mA 640 580 530 490 445 405 370 335 305 275 250 230 210 190 180 170 155 145 140 130 125 115 105 100 95 85 75 70 65 60 55 55 50 50 50 45 40 37 33 30 28 25 25 23 20 19 18 17 16 14 14 12 MAX. DYNAMIC IMPEDANCE (Note 3) Z ZT @ I ZT Ohms 2.0 1.5 1.2 1.1 1.0 1.1 1.2 1.3 1.5

CZ5338B CZ5339B CZ5340B CZ5341B CZ5342B CZ5343B CZ5344B CZ5345B CZ5346B CZ5347B CZ5348B CZ5349B CZ5350B CZ5351B CZ5352B CZ5353B CZ5354B CZ5355B CZ5356B CZ5357B CZ5358B CZ5359B CZ5360B CZ5361B CZ5362B 1N3305B 1N3306B 1N3307B 1N2974B 1N2975B 1N2976B 1N2977B 1N2978B 1N2979B 1N2980B 1N2981B 1N2982B 1N2983B 1N2984B 1N2985B 1N2986B 1N2987B 1N2988B 1N2808B 1N2809B 1N2810B 1N2811B 1N2812B 1N2813B 1N2814B 1N2815B 1N2816B 1N2817B 1N2818B 1N2819B 1N2820B 1N2821B 1N2822B 1N3308B 1N3309B 1N3310B 1N3311B 1N3312B 1N3313B 1N3314B 1N3315B 1N3316B 1N3317B 1N3318B 1N3319B 1N3320B 1N3321B 1N3322B 1N3323B For complete specifications, please consult factory. ** Reverse polarity available. Simply change "B" suffix to "RB". * Not recommended for new designs. See mechanical specifications on page 208 (5-June 2012) www.cent r als em i. c om Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Central Semiconductor: 1N2813B 1N2818B

308 B 1N2807 B&RB 1N3308B&RB 10 1N2974B&RB MZT2974 B MZT3309 B 1N2808B&RB 1N3309B&RB 11 1N29758&RB M2ZT2975 B MZT3310B 1N2809B&RB 1N3310B&RB 12 1N2976B8&RB MZT2976 B MZT3311B 1N2810B&RB 1N3311B&RB 13 1N29778&RB MZT2977 B MZT3312 B 1N2811B&RB 1N3312B&RB 14 1N2978B&RB MZT2978 B MZT3313 B 1N2812B&a&RB 1N3313B&RB 15 1N2979B&RB M2ZT2979 B MZT3314B 1N2813B&RB 1N3314B&RB 16 1N2980B&RB MZT2980 B MZT3345 B 1N2814B&RB 1N3315B&a&RB 17 MZT3316 B 1N2815B&RB 1N3316B&RB 18 1N2982B&RB MZT2981 B MZT3317 B 1N2816B&RB 1N3317B&RB 19 1N2983B&aRB MZT2982 B M2T3318 B 1N2817B&RB 1N3318B&RB 20 1N2984B&RB MZT2983 B MZT3319 B 1N2818B&RB 1N3319B&RB 22 1N2985BaRB8 MZT2984 B MZT3320 B 1N2819B8&RB 1N3320B&RB 24 1N2986B&RB MZT2986 B MZT3321 B 1N2820B&RB 1N3321B&RB 25 MZ1T3322 B 1N2821B&RB 1N33228&RB 27 1N2988BaRB MZT2987 B M2T3323 B 1N2822B8&RB 1N33236&RB 28 30 1N2989B&RB MZT2988 B M2ZT3324 B 1N282388RB 1N3324B&RB 33 1N2990B&RB MZT2989 B MZT3325 B 1N2824B&RB 1N3325B&RB 36 1N2991B&RB MZT2990 B MZT3326 B 1N2825B&RB 1N3326B&RB 39

15 13 250 1180 335 045 100 | 5.7 1N2972B 8.2 1.5 250 1040 305 048 50 62 1N2973B 91 2.0 250 960 275 05] 25 6.9 1N2974B 10 3 250 860 250 055 25 16 1N2975B I 3 250 780 230 060 10 8.4 1N2976B 12 3 250 720 210 065 10 91 STD. 1N2977B 13 3 250 660 190 065 10 99 1N2978B 14 3 250 600 180 070 10 10.5 ] POLARITY 1N2979B 15 3 250 560 170 070 10 Ti4 1N2980B 16 4 250 530 155 .070 10 12.2 ANODE IN2981B 17 4 250 500 145 075 10 13.0 1N2982B 18 4 250 460 140 075 10 13.7 TO 1N2983B 19 4 250 440 130 075 10 14.0 1N2984B 20 4 250 420 125 075 10 15.2 STUD IN2985B 22 5 250 380 115 "080 10 16.7 1N2986B 24 5 250 350 105 080 10 18.2 1N2987B 25 6 250 310 100 080 10 18.2 TN2988B 27 7 250 300 95 085 10 | 206 1N2989B 30 8 300 280 85 085 lo | 22.8 1N2990B 33 9 300 260 75 085 1o | 25.1 TN2991B 36 10 300 230 70 085 10 | 27.4 1N2992B 39 1 300 210 65 090 10 | 29.7 1N2993B ry) 12 400 195 60 090 10 | 32.7 1N2994B 45 13 400 185 55 090 10 | 33.0 1N2995B 47 14 400 175 55 090 10 | 35.8 1N2996B 50 15 500 165 50 090 10 | 36.0 1N2997B SI 1

972B 8.2 308 16 250 1,040 048 50 82 POLARITY tt1N2973B a4 275 20 250 960 051 2 | 89 ANODE 1t1N297468 | 10 250 3 250 B60 085 26 76 TO HtiN2975B | 14 230 3 250 780 060 10 B4 sTuD Htanzo76R | 12 210 3 260 720 065 10 94 ttIN29778:{ 13 190 q 260 660 065 10 9.9 1N2978B 14 180 3 250 600 070 10 | 105 HtIN2979B | 15 170 3 250 560 070 10] 114 HtIN2980B | 16 156 4 250 "530 070 10 | 122 1N29B18 145 4 250 500 075 wo | 13.0 t1N2982B 18 140 4 250 460 075 10 137 1nz9838 | 19 130 4 250 440 075 10 | 140 HtIN2984B 20 125 4 250 420 075 10 15.2 T1N2985B a2 115, 5 250 380 080 10 16.7 't1N2986B 24 105 5 250 350 080 10 18.2 1N2987B | 25 100 6 250 310 080 wo | 18.2 t+1n2988B | 27 95 7 250 300 085 1 | 206 Ht1N2989B | 30 as 8 300 280 085 1o | 228 +tIN2990B | 33 75 3 300 260 085 10 | 25.1 tt1N2991B | 36 70 10 300 230 08s 10 | 274 1tIN2992B | 39 65 u 300 210 090 10 | 207 $tIN2993B | 43 60 12 400 195 .090 10 | 327 inzosas | 45 5S 13 400 188 090 10 | 330 HIN2@95B | 47 55 14 400 175, 090 10 | 358 1N2996B sO 5a 18 0a 165 .090 10

T A B L E 1 A - S T A N D A R D D E V IC E E L E C T R IC A L S P E C IF IC A T IO N S JEDEC PAR T NUM BER SUSSEX PA RT NUM BER N O M IN A L ZENER ZENER TEST VO L TAG E V Z @ IZT (N O T E 2 ) 1N2970B 1N2971B 1N2972B 1N2973B 1N2974B 1N2975B 1N2976B 1N2977B 1N2978B 1N2979B 1N2980B 1N2981B 1N2982B 1N2983B 1N2984B 1N2985B 1N2986B 1N2987B 1N2988B 1N2989B 1N2990B 1N2991B 1N2992B 1N2993B 1N2994B 1N2995B 1N2996B 1N2997B 1N2998B 1N2999B 1N3000B 1N3001B 1N3002B 1N3003B 1N3004B 1N3005B 1N3006B 1N3007B 1N3008B 1N3009B 1N3010B 1N3011B 1N3012B 1N3013B 1N3014B 1N3015B DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO 4 -S Z 1 6 - 6 . 8 - 5 -3 7 0 4 -S Z 1 6 - 7 . 5 - 5 -3 3 5 4 -S Z 1 6 - 8 . 2 - 5 -3 0 5 4 -S Z 1 6 - 9 . 1 - 5 -2 7 5 4 -S Z 1 6 - 1 0 -5 - 2 5 0 4 -S Z 1 6 - 1 1 -5 - 2 3 0 4 -S Z 1 6 - 1 2 -5 - 2 1 0 4 -S Z 1 6 - 1 3 -5 - 1 9 0 4 -S Z 1 6 - 1 4 -5 - 1 8 0 4 -S Z 1 6 - 1 5 -5 - 1 7 0 4 -S Z 1 6 - 1 6 -5 - 1 5

POLARITY +t1N2973B 9 275 2.0 250 960 051 ANODE : : +t1N2974B 10 250 3 250 860 .055 TO 4032 wea (Moo) pirok OW. +t1N2975B " 230 3 250 780 060 stub 16: yiN29768 | 12 216 3 250 720 065 e WintSTaND 4 fa uP tt1N2977B. 13 190 3 250 660 .065 TIGHTENED GN STUD ie 1N2978B 14 48 3 250 600 070 All dimensions 0 tt iN2979B 16 170 3 250 560 070 ttiN2980B 16 158 4 250 530 070 1N2981B 7 145 4 250 500 078 FIGURE 1 +t 1N2982B 18 140 4 250 460 075 : : : 1N2983B 19 130 4 250 440 075 MECHANICAL ++41N2984B 20 128 4 250 420 075 HyIN2985B | 22 115 5 250 380 ogo CHARACTERISTICS +} 1N2986B 24 105 5 250 350 080 oe : ee : : 1N2987B 26 1001 6 250 310 080 : CASE. a Industry Standard DOA, Hyinz98ee | 27 96 7 250 300 085 7/16" Hex. stud with 10-32 ti1nz989B | 30 as 8 300 280 08s threads, welded, hermetically +4 1N2990B 33 7 9g 300 260 085 +t1N2991B 36 70 10 300 230 08S oe _ Sealed metal and glass. tt1N29928 | 39 66 "1 300 219 090 FINISH: All external surfaces are 1t1n29938 | 43 ot 4? 400 198 090 corrosion resistant and terniina

) | (mA) | (Amps) J Zin) Fey] v.% | Po TYPE | = | REPLACEMENT = een - = = La 2 1N2976B Ss 2-19 ZD 12* 5.0 10W 1N2977 S 2-19 ZD 13* 20 10W 1N2977A $ 2-19 ZD 13% 10 10W 1N2977B Ss 2-19 ZD 13* 5.0 10W 1N2978 Ss 2-19 ZD 14* 20 10W 1N2978A s 2-19 ZD 14* 10 10W 1N2978B s 2-19 ZD 14* 5.0 10W 1N2979 8 2-19 ZD 15* 20 10W 1N2979A s 2-19 ZD 15* 10 10W 1N2979B Ss 2-19 ZD 15* 5.0 10W 1N2980 s 2-19 2D 16* 20 10W 1N2980A Ss 2+19 Z2D 16* 10 10W 1N2980B S 2-19 ZD 16* 5.0 10W 1N2981 Ss 2-19 ZD 17* 20 10W 1N2981a | S 2-19 | ZD L7* 10 | low 1N2981B S 2-19 ZzD 17* 5.0 10W 1N2982 s 2-19 zZzD 18* 20 10W 1N2982A s 2-19 ZD 18* 10 LOW 1N2982B s 2-19 ZD 18* 5.0 10wW 1N2983 S 2-19 ZD 19* 20 LOW 1N2Z983A Ss 2-19 ZD 19* 10 10W 1N2983B s 2+19 ZD 19%* 5.0 10W 1N2984 S 2-19 2D 20% 20 10W 1N2984A Ss 2-19 ZD 20* 10 10W 1N2984B s 2-19 ZD 20% 5.0 10W 1N2985 Ss 2-19 ZD 22% 20 10W 1N2985A Ss 2-19 ZD 22% 10 10W 1N2985B S 2-19 ZD 22% 5.0 10W 1N2986 s 2-19 ZD 24% 20 10W 1N2986A s 2-19 ZD 24% 10 10W 1N2986B s 2-19 ZD 24% 5.0 10W 1N2987 s

0 1N5244B H25244 Wz140 1$229 CZ14c 1DA1Z14,4,B, 15 UZ8714 2EZ14D5 2VR14,A,B xx* COEFF ITEM Tc No. DO35 A297 DO35 bOo41 ud E204a A398a DO35 A60m AS6a 0015 No. ZBC14B 1NS070 3EZ14D MZ914 UZ914 ZCC14B 1N5351A 5ZS814,A,B MZ57 14 THZ014A10 UZ5714 2014 1N2046-3 1N2978B 1N4202B UZ7714 1N2812 1N3313 0M14S2Z,5 RD13FC HZ15L-1 IN1961B6 BZ145 1N4058A HZ15-2 1N2047A R2Z15 1N1988B zz1 1N1934B 1/4M15Z,1 1N718A 1N4109 BZX59C15 REF. VOLT. l@ 25C IN ORDER OF CUR. tzt REF. VOLTAGE, DYN. |COEFF/TEM IMP. Te No.

T A B L E 1 A - S T A N D A R D D E V IC E E L E C T R IC A L S P E C IF IC A T IO N S JEDEC PAR T NUM BER SUSSEX PA RT NUM BER N O M IN A L ZENER ZENER TEST VO L TAG E V Z @ IZT (N O T E 2 ) 1N2970B 1N2971B 1N2972B 1N2973B 1N2974B 1N2975B 1N2976B 1N2977B 1N2978B 1N2979B 1N2980B 1N2981B 1N2982B 1N2983B 1N2984B 1N2985B 1N2986B 1N2987B 1N2988B 1N2989B 1N2990B 1N2991B 1N2992B 1N2993B 1N2994B 1N2995B 1N2996B 1N2997B 1N2998B 1N2999B 1N3000B 1N3001B 1N3002B 1N3003B 1N3004B 1N3005B 1N3006B 1N3007B 1N3008B 1N3009B 1N3010B 1N3011B 1N3012B 1N3013B 1N3014B 1N3015B DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO DO 4 -S Z 1 6 - 6 . 8 - 5 -3 7 0 4 -S Z 1 6 - 7 . 5 - 5 -3 3 5 4 -S Z 1 6 - 8 . 2 - 5 -3 0 5 4 -S Z 1 6 - 9 . 1 - 5 -2 7 5 4 -S Z 1 6 - 1 0 -5 - 2 5 0 4 -S Z 1 6 - 1 1 -5 - 2 3 0 4 -S Z 1 6 - 1 2 -5 - 2 1 0 4 -S Z 1 6 - 1 3 -5 - 1 9 0 4 -S Z 1 6 - 1 4 -5 - 1 8 0 4 -S Z 1 6 - 1 5 -5 - 1 7 0 4 -S Z 1 6 - 1 6 -5 - 1 5

1N2978B 1N2979B 1N2980B 1N2981B 1N2982B 1N2983B 1N2984B 1N2985B 1N2986B 1N2987B 1N2988B 1N2989B 1N2990B 1N2991B 1N2992B 1N2993B 1N2994B 1N2995B 1N2996B 1N2997B 1N2998B 1N2999B 1N3000B 1N3001B 1N3002B 1N3003B 1N3004B 1N3005B 1N3006B 1N3007B 1N3008B 1N3009B 1N3010B 1N3011B 1N3012B 1N3013B 1N3014B 1N3015B Nominal Zener Voltage VZ@IZT (Volts) Zener Test Current IZT (mA) 6.8 7.5 8.2 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 30 33 36 39 43 45 47 50 51 52 56 62 68 75 82 91 100 105 110 120 130 140 150 160 175 180 200 Max Zener Impedance Max DC Zener Current IZM@75OC (mA) Typical Temp. Coeff. aVZ (%/OC) ZZT@IZT (Ohms) ZZK@1mA(IZK) (Ohms) 370 335 305 275 250 230 210 190 180 170 155 145 1.2 1.3 1.5 2.0 3 3 500 250 250 250 250 250 1320 1180 1040 960 860 780 0.040 0.045 0.048 0.051 0.055 0.060 3 3 3 3 4 4 250 250 250 250 250 250 720 660 600 560 530 500 140 130 125 115 105 100 95 85 75 70 65 60 55 55 50 50 50 45 40 37 33 30 28 25 25 23 20 19 18 17 16 14 14 12 4 4 4 5 5 6 7 8 9 10 11 12 13 14 15 15 15 16

052 SEI 2.000 SES 2.500 1.438 AT 13.440 2.250 Z170 1.550 1.688 1.250 ec 1N2980RA MOT 5.850 5.290 1N298ORB MOT 14.600 13.440 2.300 2.220 1.900 1.950 1.880 1.450 1N2981 1 N2973A MOT 11.700 2.400 NJS 2.320 QS2 1.950 SEI 7.300 1N2978RB 1N2975 MOT 1 N2972B MOT 1N2978B MOT NJS QS2 SEI SES MOT MOT 14.600 2.600 NJS 2.510 052 SEI 2.000 2.500 SES 1.438 AT 13.440 2.250 2.170 1.550 1.688 l.250 BC 1N2978A MOT NJS QS2 SEI 1N2975B 1N2971 MOT 14.600 NJS 2.600 QS2 2.510 SEI 2.000 2.500 SES 1.438 1N2978 1N2975A MOT 5.850 100-999 1 N2977FtB 1N2974RB MOT 7.300 NJS 2.600 2.510 052 SEI 2.000 2.500 SES 1.438 NJS 052 SEI AT 13.440 2.250 2.170 1.550 1.688 1.250 BC 1N2974B 2300 2.220 1.900 MOT 11.700 3.900 3.760 14.600 2.600 2.510 2.000 2500 1.438 1N2974A 0.300 0.290 1.080 0.360 1-99 1N2977B MOT NJS 052 SEI SES MOT 1N295A NJS QS2 SES Part No. 1N2973B 1N2972A 1N2931 NJS QS2 0.200 0.190 1N2971RB 1N2930 NJS QS2 0.250 0.240 1N2971B 1N2928 NJS QS2 NJS QS2 1N2970FtA 1N292 1N294 1N2864 NJS QS2 SES NJS QS2 SES 100-999 1N295 1N293

34 421 111 100 91 83 76 70 61 57 50 45 +The types listed are stud ariode and 5% tolerance, to specify 10% tolerance delete A suffix, to specify stud cathode change suffix to R or RA [9] Type 1N2970B 1N2971B 1N2972B 1N2973 B 1N2974B 4N2975B 1N2976B 1N2977B 1N2978B 1N2979B 1N2980 B 1N2981 B. 1N2982 B 1N2983 B 1N2984B 1N2985 B 1N2986 B 1N2987 B 1N2988 B 1N2989 B 1N2990 B 1N2991 B 1N2992 B 1N2993 B 1N2994B 1N2995 B 1N2996 B 1N2997B 1N2998B 1N2999B 1N3000 B 1N3001 B 1N3002 B 1N3003 B 1N3004B 1N3005 B 1N3006 B 1N3007 B 1N3008 B 4N3009 B 1N3010B 1N3011B 1N3012B 1N3013 B 1N3014B 1N3015B +The types listed are stud anode and 5% tolerance, to specify 10% tolerance change suffix to A, to specify stud cathode change suffix to RB or RA [10] Min PRON ZOOOAYO 2 SON OWRAAAHAf ~ FE OG Boas oa 475 48:5 49-4 53-2 58-8 64-5 71:3 78-9 86:5 95 99-5 104 114 123 133 142 152 166 171 190 vz@lzr Nom | Vv 6-8 75 8:2 9-1 10 1 12 13 200 = z -= ae 115 126 137 147 158 168 184 189 210 PNAC IY < DAAAA SS OP, a zt mA 370 335 305 27