dimensions in inches and (millimeters) .016 (0.4) .056 (1.43 ) .037(0.95) .037(0.95) max. .004 (0.1) .122 (3.1) .016 (0.4) .016 (0.4) 1 2 3 top view .102 (2.6) .007 (0.175) .045 (1.15) .110 (2.8) .052 (1.33 ) .005 (0.125) .094 (2.4) .037 (0.95) maximum ratings and thermal characteristics (t a = 25? unless otherwise noted) parameter symbol value unit zener current (see table ?haracteristics? power dissipation at t a = 25? p tot 225 (1) mw 300 (2) thermal resistance junction to ambient air r ja 556 (1) ?/w maximum junction temperature t j 150 ? storage temperature range t s ?5 to +175 ? notes: (1) on fr-5 board using recommended solder pad layout (2) on alumina substrate 0.079 (2.0) 0.037 (0.95) 0.035 (0.9) 0.031 (0.8) 0.037 (0.95) mmbz5225 thru mmbz5267 zener diodes v z range 3.0 to 75v power dissipation 300mw 9/5/00 features silicon planar power zener diodes. standard zener voltage tolerance is 5% tolerance with a b suffix. other tolerances are avail- able upon request. high temperature soldering guaranteed: 250 ? c/10 seconds at terminals. these diodes are also available in minimelf case with the type designation zmm5225...zmm5267, sod-123 case with the type designation mmsz5225... mmsz5267. to-236ab (sot-23) dimensions in inches and (millimeters) mounting pad layout top view mechanical data case: sot-23 plastic package weight: approx. 0.008g packaging codes/options: e8/10k per 13 reel (8mm tape), 30k per box e9/3k per 7 reel (8mm tape), 30k per box
mmbz5225 18e 3.0 20 30 1600 -0.075 50 1.0 mmbz5226 8a 3.3 20 28 1600 -0.070 25 1.0 mmbz5227 8b 3.6 20 24 1700 -0.065 15 1.0 mmbz5228 8c 3.9 20 23 1900 -0.060 10 1.0 mmbz5229 8d 4.3 20 22 2000 -0.055 5 1.0 mmbz5230 8e 4.7 20 19 1900 0.030 5 2.0 mmbz5231 8f 5.1 20 17 1600 0.030 5 2.0 mmbz5232 8g 5.6 20 11 1600 +0.038 5 3.0 mmbz5233 8h 6.0 20 7 1600 +0.038 5 3.5 mmbz5234 8j 6.2 20 7 1000 +0.045 5 4.0 mmbz5235 8k 6.8 20 5 750 +0.050 3 5.0 mmbz5236 8l 7.5 20 6 500 +0.058 3 6.0 mmbz5237 8m 8.2 20 8 500 +0.062 3 6.5 mmbz5238 8n 8.7 20 8 600 +0.065 3 6.5 mmbz5239 8p 9.1 20 10 600 +0.068 3 7.0 mmbz5240 8q 10 20 17 600 +0.075 3 8.0 mmbz5241 8r 11 20 22 600 +0.076 2 8.4 mmbz5242 8s 12 20 30 600 +0.077 1 9.1 mmbz5243 8t 13 9.5 13 600 +0.079 0.5 9.9 mmbz5244 8u 14 9.0 15 600 +0.082 0.1 10 mmbz5245 8v 15 8.5 16 600 +0.082 0.1 11 mmbz5246 8w 16 7.8 17 600 +0.083 0.1 12 mmbz5247 8x 17 7.4 19 600 +0.084 0.1 13 mmbz5248 8y 18 7.0 21 600 +0.085 0.1 14 mmbz5249 8z 19 6.6 23 600 +0.086 0.1 14 mmbz5250 81a 20 6.2 25 600 +0.086 0.1 15 mmbz5251 81b 22 5.6 29 600 +0.087 0.1 17 mmbz5252 81c 24 5.2 33 600 +0.087 0.1 18 mmbz5253 81d 25 5.0 35 600 +0.089 0.1 19 mmbz5254 81e 27 4.6 41 600 +0.090 0.1 21 mmbz5255 81f 28 4.5 44 600 +0.091 0.1 21 mmbz5256 81g 30 4.2 49 600 +0.091 0.1 23 mmbz5257 81h 33 3.8 58 700 +0.092 0.1 25 mmbz5258 81j 36 3.4 70 700 +0.093 0.1 27 mmbz5259 81k 39 3.2 80 800 +0.094 0.1 30 mmbz5260 18f 43 3.0 93 900 +0.095 0.1 33 mmbz5261 81m 47 2.7 105 1000 +0.095 0.1 36 mmbz5262 81n 51 2.5 125 1100 +0.096 0.1 39 mmbz5263 81p 56 2.2 150 1300 +0.096 0.1 43 mmbz5264 81q 60 2.1 170 1400 +0.097 0.1 46 mmbz5265 81r 62 2.0 185 1400 +0.097 0.1 47 mmbz5266 81s 68 1.8 230 1600 +0.097 0.1 52 mmbz5267 81t 75 1.7 270 1700 +0.098 0.1 56 type marking code nominal zener voltage (3) at i zt v z (v) test current i zt (ma) maximum zener impedance (2) typical temperture coefficient vz (%/?) maximum reverse leakage current test i r voltage ( a) v r (v) at i zt z zt ( ? ) at i zk = 0.25 ma z zk ( ? ) notes: (1) the zener impedance is derived from the 1kh z ac voltage which results when an ac current having an rms value equal to 10% of the zener current (i zt or i zk ) is superimposed on i zt or i zk . zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. (2) valid provided case is kept at ambient temperature. (3) measured at thermal equilibrium. electrical characteristics (t a = 25 c unless otherwise noted) maximum v f = 0.9 v at i f = 10 ma mmbz5225 thru mmbz5267 zener diodes
ratings and characteristic curves (t a = 25 c unless otherwise noted) mmbz5225 thru mmbz5267 zener diodes
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