dated : 12/01/2007 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) bzt52 series silicon planar zener diodes standard zener voltage tolerance is 20%. add suffix ?a? for 10% tolerance and suffix ?b? for 5% tolerance, 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 at t amb = 75 o c p tot 500 mw junction temperature t j 200 o c storage temperature range t s - 65 to +200 o c characteristics at t a = 25 o c parameter symbol max. unit thermal resistance junction to ambient air r tha 0.3 k/w forward voltage at i f = 200 ma v f 1.1 v ls-34 quadromelf dimensions in mm free datasheet http:///
dated : 12/01/2007 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) bzt52 series zener voltage range maximum zener impedance 1) reverse leakage current temp. coefficient of zener voltage vznom 3) l zt r zjt r zjk at i zk i r 2) at v r tk vz type v ma ? ? ma a v %/k bzt5221 2.4 20 < 30 < 1200 0.25 < 100 1 <-0.085 bzt5222 2.5 20 < 30 < 1250 0.25 < 100 1 <-0.085 bzt5223 2.7 20 < 30 < 1300 0.25 < 75 1 <-0.080 bzt5224 2.8 20 < 30 < 1400 0.25 < 75 1 <-0.080 bzt5225 3.0 20 < 29 < 1600 0.25 < 50 1 <-0.075 bzt5226 3.3 20 < 28 < 1600 0.25 < 25 1 <-0.070 bzt5227 3.6 20 < 24 < 1700 0.25 < 15 1 <-0.065 bzt5228 3.9 20 < 23 < 1900 0.25 < 10 1 <-0.060 bzt5229 4.3 20 < 22 < 2000 0.25 < 5 1 <-0.055 bzt5230 4.7 20 < 19 < 1900 0.25 < 5 2 < 0.030 bzt5231 5.1 20 < 17 < 1600 0.25 < 5 2 < 0.030 bzt5232 5.6 20 < 11 < 1600 0.25 < 5 3 <+0.038 bzt5233 6.0 20 < 7 < 1600 0.25 < 5 3.5 <+0.038 bzt5234 6.2 20 < 7 < 1000 0.25 < 5 4 <+0.045 bzt5235 6.8 20 < 5 < 750 0.25 < 3 5 <+0.050 bzt5236 7.5 20 < 6 < 500 0.25 < 3 6 <+0.058 bzt5237 8.2 20 < 8 < 500 0.25 < 3 6.5 <+0.062 bzt5238 8.7 20 < 8 < 600 0.25 < 3 6.5 <+0.065 bzt5239 9.1 20 < 10 < 600 0.25 < 3 7 <+0.068 bzt5240 10 20 < 17 < 600 0.25 < 3 8 <+0.075 bzt5241 11 20 < 22 < 600 0.25 < 2 8.4 <+0.076 bzt5242 12 20 < 30 < 600 0.25 < 1 9.1 <+0.077 bzt5243 13 9.5 < 13 < 600 0.25 < 0.5 9.9 <+0.079 bzt5244 14 9.0 < 15 < 600 0.25 < 0.1 10 <+0.082 bzt5245 15 8.5 < 16 < 600 0.25 < 0.1 11 <+0.082 BZT5246 16 7.8 < 17 < 600 0.25 < 0.1 12 <+0.083 bzt5247 17 7.4 < 19 < 600 0.25 < 0.1 13 <+0.084 bzt5248 18 7.0 < 21 < 600 0.25 < 0.1 14 <+0.085 bzt5249 19 6.6 < 23 < 600 0.25 < 0.1 14 <+0.086 bzt5250 20 6.2 < 25 < 600 0.25 < 0.1 15 <+0.086 bzt5251 22 5.6 < 29 < 600 0.25 < 0.1 17 <+0.087 bzt5252 24 5.2 < 33 < 600 0.25 < 0.1 18 <+0.088 bzt5253 25 5.0 < 35 < 600 0.25 < 0.1 19 <+0.089 bzt5254 27 4.6 < 41 < 600 0.25 < 0.1 21 <+0.090 bzt5255 28 4.5 < 44 < 600 0.25 < 0.1 21 <+0.091 bzt5256 30 4.2 < 49 < 600 0.25 < 0.1 23 <+0.091 bzt5257 33 3.8 < 58 < 700 0.25 < 0.1 25 <+0.092 bzt5258 36 3.4 < 70 < 700 0.25 < 0.1 27 <+0.093 bzt5259 39 3.2 < 80 < 800 0.25 < 0.1 30 <+0.094 bzt5260 43 3.0 < 93 < 900 0.25 < 0.1 33 <+0.095 bzt5261 47 2.7 < 105 < 1000 0.25 < 0.1 36 <+0.095 bzt5262 51 2.5 < 125 < 1100 0.25 < 0.1 39 <+0.096 bzt5263 56 2.2 < 150 < 1300 0.25 < 0.1 43 <+0.096 bzt5264 60 2.1 < 170 < 1400 0.25 < 0.1 46 <+0.097 bzt5265 62 2.0 < 185 < 1400 0.25 < 0.1 47 <+0.097 bzt5266 68 1.8 < 230 < 1600 0.25 < 0.1 52 <+0.097 bzt5267 75 1.7 < 270 < 1700 0.25 < 0.1 56 <+0.098 bzt5268 82 1.5 < 330 < 2000 0.25 < 0.1 62 <+0.098 free datasheet http:///
dated : 12/01/2007 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) bzt52 series zener voltage range maximum zener impedance 1) reverse leakage current temp. coefficient of zener voltage vznom 3) l zt r zjt r zjk at i zk i r 2) at v r tk vz type v ma ? ? ma a v %/k bzt5269 87 1.4 < 370 < 2200 0.25 < 0.1 68 <+0.099 bzt5270 91 1.4 < 400 < 2300 0.25 < 0.1 69 <+0.099 bzt5271 100 1.3 < 500 - - < 0.1 75 <+0.100 bzt5272 110 1.2 < 700 - - < 0.1 83 <+0.100 bzt5273 120 1.0 < 950 - - < 0.1 90 <+0.100 bzt5274 130 0.95 < 1100 - - < 0.1 98 <+0.110 bzt5275 140 0.90 < 1300 - - < 0.1 105 <+0.110 bzt5276 150 0.85 < 1500 - - < 0.1 113 <+0.110 bzt5277 160 0.80 < 1700 - - < 0.1 120 <+0.115 bzt5278 170 0.74 < 1900 - - < 0.1 127 <+0.115 bzt5279 180 0.68 < 2200 - - < 0.1 135 <+0.120 bzt5280 190 0.66 < 2400 - - < 0.1 142 <+0.120 bzt5281 200 0.65 < 2500 - - < 0.1 150 <+0.120 1) the zener impedance is derived from the 60 hz 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 poi nts to insure a sharp knee on the breakdown curve and to eliminate unstable units. 2) measured under thermal equilibrium and dc test conditions. 3) tested with pulses tp = 20 ms. free datasheet http:///
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