zmm5221...zmm5267 silicon planar zener diodes standard zener voltage tolerance is 20%. add suffix "a" for 10% tolerance, suffix "b" for 5% tolerance and suffix "c" for 2% toler ance. other tolerance, non standard and higher zener voltages are upon request. absolute maximum ratings (t a = 25 o c) parameter symbol value unit power dissipation p tot 500 1) mw junction temperature t j 175 o c storage temperature range t stg - 65 to + 175 o c 1) valid provided that electrodes are kept at ambient temperature. characteristics at t a = 25 o c parameter symbol max. unit thermal resistance junction to ambient air r tha 0.3 1) k/mw forward voltage at i f = 200 ma v f 1.1 v 1) valid provided that electrodes ar e kept at ambient temperature. ll-34
zmm5221...zmm5267 characteristics at t a = 25 o c zener voltage range 1) dynamic resistance reverse current v znom v zt at l zt z zt z zk at i zk i r at v r type (v) min. (v) max. (v) (ma) max. ( ? ) max. ( ? ) (ma) max. (a) (v) zmm5221b 2.4 2.28 2.52 20 30 1200 0.25 100 1 zmm5222b 2.5 2.38 2.62 20 30 1250 0.25 100 1 zmm5223b 2.7 2.57 2.83 20 30 1300 0.25 75 1 zmm5224b 2.8 2.66 2.94 20 30 1400 0.25 75 1 zmm5225b 3 2.85 3.15 20 29 1600 0.25 50 1 zmm5226b 3.3 3.14 3.46 20 28 1600 0.25 25 1 zmm5227b 3.6 3.42 3.78 20 24 1700 0.25 15 1 zmm5228b 3.9 3.71 4.09 20 23 1900 0.25 10 1 zmm5229b 4.3 4.09 4.51 20 22 2000 0.25 5 1 zmm5230b 4.7 4.47 4.93 20 19 1900 0.25 5 2 zmm5231b 5.1 4.85 5.35 20 17 1600 0.25 5 2 zmm5232b 5.6 5.32 5.88 20 11 1600 0.25 5 3 zmm5233b 6 5.7 6.3 20 7 1600 0.25 5 3.5 zmm5234b 6.2 5.89 6.51 20 7 1000 0.25 5 4 zmm5235b 6.8 6.46 7.14 20 5 750 0.25 3 5 zmm5236b 7.5 7.13 7.87 20 6 500 0.25 3 6 zmm5237b 8.2 7.79 8.61 20 8 500 0.25 3 6.5 zmm5238b 8.7 8.27 9.13 20 8 600 0.25 3 6.5 zmm5239b 9.1 8.65 9.55 20 10 600 0.25 3 7 zmm5240b 10 9.5 10.5 20 17 600 0.25 3 8 zmm5241b 11 10.45 11.55 20 22 600 0.25 2 8.4 zmm5242b 12 11.4 12.6 20 30 600 0.25 1 9.1 zmm5243b 13 12.35 13.65 9.5 13 600 0.25 0.5 9.9 zmm5244b 14 13.3 14.7 9 15 600 0.25 0.1 10 zmm5245b 15 14.25 15.75 8.5 16 600 0.25 0.1 11 zmm5246b 16 15.2 16.8 7.8 17 600 0.25 0.1 12 zmm5247b 17 16.15 17.85 7.4 19 600 0.25 0.1 13 zmm5248b 18 17.1 18.9 7.0 21 600 0.25 0.1 14 zmm5249b 19 18.05 19.95 6.6 23 600 0.25 0.1 14 zmm5250b 20 19 21 6.2 25 600 0.25 0.1 15 zmm5251b 22 20.9 23.1 5.6 29 600 0.25 0.1 17 zmm5252b 24 22.8 25.2 5.2 33 600 0.25 0.1 18 zmm5253b 25 23.75 26.25 5 35 600 0.25 0.1 19 zmm5254b 27 25.65 28.35 4.6 41 600 0.25 0.1 21 zmm5255b 28 26.6 29.4 4.4 44 600 0.25 0.1 21 zmm5256b 30 28.5 31.5 4.2 49 600 0.25 0.1 23 zmm5257b 33 31.35 34.65 3.8 58 700 0.25 0.1 25 zmm5258b 36 34.2 37.8 3.4 70 700 0.25 0.1 27 zmm5259b 39 37.05 40.95 3.2 80 800 0.25 0.1 30 zmm5260b 43 40.85 45.15 3 93 900 0.25 0.1 33 zmm5261b 47 44.65 49.35 2.7 105 1000 0.25 0.1 36 zmm5262b 51 48.45 53.55 2.5 125 1100 0.25 0.1 39 zmm5263b 56 53.2 58.8 2.2 150 1300 0.25 0.1 45 zmm5264b 60 57 63 2.1 170 1400 0.25 0.1 46 ZMM5265B 62 58.9 65.1 2 185 1400 0.25 0.1 47 zmm5266b 68 64.6 71.4 1.8 230 1600 0.25 0.1 52 zmm5267b 75 71.25 78.75 1.7 270 1700 0.25 0.1 56 1) tested with pulses tp = 20 ms.
zmm5221...zmm5267 ambient temperature: ta ( c) o 0 25 100 150 0 100 200 300 power dissipatio n: ptot (mw) 400 500 200 power derating curve
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