ds30024 rev. c-2 1 of 3 zmm5221b-zmm5267b zmm5221b - zmm5267b 500mw surface mount zener diode features maximum ratings and electrical characteristics @ t a = 25 c unless otherwise specified characteristic symbol value unit power dissipation (note 1) p d 500 mw thermal resistance, junction to ambient air (note 1) r ja 300 c /w forward voltage @ i f = 200ma v f 1.5 v operating and storage temperature range t j, t stg -65 to +175 o c case: minimelf terminals: solderable per mil-std-202, method 208 polarity: cathode band marking: cathode band only weight: 0.034 grams (approx.) 500mw power dissipation outline similar to jedec do-213aa hemetic glass package mechanical data a c b minimelf dim min max a 3.30 3.70 b 1.30 1.60 c 0.28 0.50 all dimensions in mm notes: 1. valid provided that electrodes are kept at ambient temperature. 2. tested with pulses, t p 100ms.
ds30024 rev. c-2 2 of 3 zmm5221b-zmm5267b electrical characteristics @ t a = 25 c unless otherwise specified type number zener voltage range (note 2) maximum zener impedance maximum reverse current typical temperature coefficient @i zt v z @ i zt i zt z zt @ i zt z zk @ i zk = 0.25ma i r @v r nom (v) min (v) max (v) ma a v %/ c zmm5221b 2.4 2.28 2.52 20 30 1200 100 1.0 -0.085 zmm5222b 2.5 2.38 2.63 20 30 1250 100 1.0 -0.085 zmm5223b 2.7 2.57 2.84 20 30 1300 75 1.0 -0.080 zmm5224b 2.8 2.66 294 20 30 1400 75 1.0 -0.080 zmm5225b 3.0 2.85 3.15 20 29 1600 50 1.0 -0.075 zmm5226b 3.3 3.14 3.47 20 28 1600 25 1.0 -0.070 zmm5227b 3.6 3.42 3.78 20 24 1700 15 1.0 -0.065 zmm5228b 3.9 3.71 4.10 20 23 1900 10 1.0 -0.060 zmm5229b 4.3 4.09 4.52 20 22 2000 5.0 1.0 -0.055 zmm5230b 4.7 4.47 4.94 20 19 1900 5.0 2.0 0.030 zmm5231b 5.1 4.85 5.36 20 17 1600 5.0 2.0 0.030 zmm5232b 5.6 5.32 5.88 20 11 1600 5.0 3.0 +0.038 zmm5233b 6.0 5.70 6.30 20 7.0 1600 5.0 3.5 +0.038 zmm5234b 6.2 5.89 6.51 20 7.0 1000 5.0 4.0 +0.045 zmm5235b 6.8 6.46 7.14 20 5.0 750 3.0 5.0 +0.050 zmm5236b 7.5 7.13 7.88 20 6.0 500 3.0 6.0 +0.058 zmm5237b 8.2 7.79 8.61 20 8.0 500 3.0 6.5 +0.062 zmm5238b 8.7 8.27 9.14 20 8.0 600 3.0 6.5 +0.065 zmm5239b 9.1 8.65 9.56 20 10 600 3.0 7.0 +0.068 zmm5240b 10 9.50 10.50 20 17 600 3.0 8.0 +0.075 zmm5241b 11 10.45 11.55 20 22 600 2.0 8.4 +0.076 zmm5242b 12 11.40 12.60 20 30 600 1.0 9.1 +0.077 zmm5243b 13 12.35 13.65 9.5 13 600 0.5 9.9 +0.079 zmm5244b 14 13.30 14.70 9.0 15 600 0.1 10 +0.082 zmm5245b 15 14.25 15.75 8.5 16 600 0.1 11 +0.082 zmm5246b 16 15.20 16.80 7.8 17 600 0.1 12 +0.083 zmm5247b 17 16.15 17.85 7.4 19 600 0.1 13 +0.084 zmm5248b 18 17.10 18.90 7.0 21 600 0.1 14 +0.085 zmm5249b 19 18.05 19.95 6.6 23 600 0.1 14 +0.086 zmm5250b 20 19.00 21.00 6.2 25 600 0.1 15 +0.086 zmm5251b 22 20.90 23.10 5.6 29 600 0.1 17 +0.087 zmm5252b 24 22.80 25.20 5.2 33 600 0.1 18 +0.087 zmm5253b 25 23.75 26.25 5.0 35 600 0.1 19 +0.089 zmm5254b 27 25.65 28.35 4.6 41 600 0.1 21 +0.090 zmm5255b 28 26.60 29.40 4.5 44 600 0.1 21 +0.091 zmm5256b 30 28.50 31.50 4.2 49 600 0.1 23 +0.091 zmm5257b 33 31.35 34.65 3.8 58 700 0.1 25 +0.092 zmm5258b 36 34.20 37.80 3.4 70 700 0.1 27 +0.093 zmm5259b 39 37.05 40.95 3.2 80 800 0.1 30 +0.094 zmm5260b 43 40.85 45.15 3.0 93 900 0.1 33 +0.095 ZMM5261B 47 44.65 49.35 2.7 105 1000 0.1 36 +0.095 zmm5262b 51 48.45 53.55 2.5 125 1100 0.1 39 +0.096 zmm5263b 56 53.20 58.80 2.2 150 1300 0.1 43 +0.096 zmm5264b 60 57.00 63.00 2.1 170 1400 0.1 46 +0.097 zmm5265b 62 58.90 65.10 2.0 185 1400 0.1 47 +0.097 zmm5266b 68 64.60 71.40 1.8 230 1600 0.1 52 +0.097 zmm5267b 75 71.25 78.75 1.7 270 1700 0.1 56 +0.098 notes: 2. tested with pulses, t p 100ms.
ds30024 rev. c-2 3 of 3 zmm5221b-zmm5267b www.diodes.com 0 50 100 150 200 0 510152025 c , junction capacitance (pf) j v , zener voltage (v) z fi g . 2 junction capacitance vs zener volta g e v = 2.0v r t = 25 c j 1 10 100 1000 0 5 10 15 20 25 v , zener voltage (v) z fi g . 3 differential zener impedance i = 1.0ma z 5.0ma 10ma t=25 c j 1.0 10 100 1000 0.1 1.0 10 100 r(t), normalized effective o transient thermal resistance ( c/w) t , square wave pulse duration (seconds) 1 fi g .4 t y pical normalized transient thermal impedance curves 1000 d=0.5 0.2 0.1 0.05 0.02 0.01 t 1 t 2 p (pk) 0 100 200 300 400 5 00 0 40 80 120 160 200 p , power dissipation (mw) d t , ambient temperature a fi g .1 power dissipation vs ambient temperature
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