CE 1N5221 THRU 1N5281 CHENYI ELECTRONICS 0.5W SILICON PLANAR ZENER DIODES FEATURES . Standards zener voltage tolerance is 20%. Add suffix "A" for 10% tolerance and suffix "B" for 5% tolerance other tolerance, non standards and higher zener voltage upon request. MECHANICAL DATA . Case: DO-35 glass case . Polarity: Color band denotes cathode end . Weight: Approx. 0.13gram ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25 ) Symbols Value Units Power dissipation at TA=75 Ptot 5001) mW Junction temperature TJ 175 TSTG -65 to + 175 Zener current see table "Characteristics" Storage temperature range 1)Valid provided that at a distance of 8mm from case are kept at ambient temperature ELECTRICAL CHARACTERISTICS(TA=25 ) Symbols Thermal resistance junction to ambient Forward voltage at IF=200mA Min. Typ. Max. Units RTHA 0.31) K/mW VF 1.1 V 1)Valid provided that leads at a distance of 8mm from case are kept at ambient temperature Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 1 of 4 CE 1N5221 THRU 1N5281 CHENYI ELECTRONICS 0.5W SILICON PLANAR ZENER DIODES 1N5221…1N5249 SILICON PLANAR ZENER DIODES Zener Voltage Range1) Type VZNOM 3) IZT V mA Maximum Reverse Temp.Coefficient Leakage Current of zener diode IR 2) at VR TKVZ Maximum zener impedance 1) rzjt and rzjk at Izk mA A V %/K 1N5221 2.4 <1200 <100 <-0.085 1N5222 2.5 <1250 <100 <-0.085 1N5223 2.6 <1300 <75 <-0.080 <1400 <75 <1600 <50 <-0.070 1N5224 1N5225 <30 2.8 3.0 <29 <-0.080 1.0 <-0.075 1N5226 3.3 <28 <1600 <25 1N5227 3.6 <24 <1700 <15 <-0.065 1N5228 3.9 <23 <1900 <10 <-0.060 1N5229 4.3 <22 <2000 1N5230 4.7 <19 <1900 2.0 <+0.030 <1600 2.0 <+0.030 <+0.038 1N5231 5.1 20 <17 <+0.055 5 1N5232 5.6 <11 <1600 3.0 1N5233 6.0 <7 <1600 3.5 <+0.038 1N5234 6.2 <7 <1000 4.0 <+0.045 5.0 <+0.050 0.25 1N5235 6.8 <5 <750 1N5236 7.5 <6 <500 6.0 <+0.058 <500 6.5 <+0.062 <8 6.5 <+0.065 <+0.068 1N5237 1N5238 8.2 <8 8.7 3 1N5239 9.1 <10 7.0 1N5240 10 <17 8.0 <+0.075 1N5241 11 <22 8.4 <+0.076 1N5242 12 1N5243 1N5244 <2 <30 <1 9.1 <+0.077 <13 <0.5 9.9 <+0.079 <+0.082 13 9.5 14 9.0 <15 10 <+0.082 <600 1N5245 15 8.5 <16 11 1N5246 16 7.8 <17 12 <+0.083 1N5247 17 7.4 <19 13 <+0.084 1N5248 18 7.0 <21 14 <+0.085 19 6.6 <23 14 <+0.086 1N5249 0.1 Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 2 of 4 CE 1N5221 THRU 1N5281 CHENYI ELECTRONICS 0.5W SILICON PLANAR ZENER DIODES 1N5250…1N5281 SILICON PLANAR ZENER DIODES Maximum zener impedance 1) Zener Voltage Range1) Type VZNOM 3) IZT Maximum Reverse Temp.Coefficient Leakage Current of zener diode IR 2) at VR TKVZ rzjt and rzjk at Izk V mA V %/K 1N5250 20 6.2 <25 mA A 15 <+0.086 1N5251 22 5.6 <29 17 <+0.087 1N5252 24 5.2 <33 18 <+0.088 1N5253 25 5.0 <35 19 <+0.089 1N5254 27 4.6 <41 21 <+0.090 1N5255 28 4.5 <44 21 <+0.091 1N5256 30 4.2 <49 23 <+0.091 1N5257 33 3.8 <58 <700 25 <+0.092 1N5258 36 3.4 <70 <700 27 <+0.093 1N5259 39 3.2 <80 <800 30 <+0.094 1N5260 43 3.0 <93 <900 33 <+0.095 36 <+0.095 39 <+0.096 <+0.096 <600 1N5261 47 2.7 <105 <1000 1N5262 51 2.5 <125 <1100 1N5263 56 2.2 <150 <1300 43 46 <+0.097 47 <+0.097 1N5264 60 2.1 <170 <1400 1N5265 62 2.0 <185 <1400 1N5266 68 1.8 <230 <1600 52 <+0.097 1N5267 75 1.7 <270 <1700 56 <+0.098 1N5268 82 1.5 <330 <2000 62 <+0.098 68 <+0.099 69 <+0.099 0.25 <0.1 1N5269 87 1.4 <370 <2200 1N5270 91 1.4 <400 <2300 1N5271 100 1.3 <500 75 <+0.100 1N5272 110 1.2 <700 83 <+0.100 1N5273 120 1.0 <950 90 <+0.100 1N5274 130 0.95 <1100 98 <+0.110 1N5275 140 0.90 <1300 105 <+0.110 1N5276 150 0.85 <1500 113 <+0.110 1N5277 160 0.80 <1700 120 <+0.115 1N5278 170 0.74 <1900 127 <+0.115 1N5279 180 0.68 <2200 135 <+0.120 1N5280 190 0.66 <2400 142 <+0.120 1N5281 200 0.65 <2500 150 <+0.120 (1)The Zener impedance is derived from the 60Hz Ac voltage which results when an AC current having an RMS value equal to 10% of the Zener current (IZT) is suprimposed on IZT or IZK Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. (2)Valid provided that leads at a distance of 8mm from case are kept at ambient temperature. (3) Measured under thermal equilibrium and DC test conditions. Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 3 of 4 CE 1N5221 THRU 1N5281 CHENYI ELECTRONICS 0.5W SILICON PLANAR ZENER DIODES 1N5221…1N5281 SILICON PLANAR ZENER DIODES Admissible power dissipation versus ambient temperature (Valid provided that leads at a distance of 10mm from case are kept at ambient temperature) Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 4 of 4