ZMC52 Series SILICON PLANAR ZENER DIODES Standard Zener voltage tolerance is ±20%. Add suffix “A” for ±10% LS-31 Tolerance and suffix “B” for ±5% tolerance, Other tolerance, non standard and higher Zener voltages are upon request. Features • Fits onto SOD 323 / SOT 23 footprints • Micro Melf package Absolute Maximum Ratings (Ta = 25oC) Symbol Value Unit Ptot 500 1) mW Tj 200 O -65 to +200 O Zener Current see Table “Characteristics” O Power Dissipation at Tamb = 75 C Junction Temperature Storage Temperature Range TS C C Characteristics at Tamb = 25oC Thermal Resistance Junction to Ambient Air Forward Voltage at IF = 200mA Symbol Min. Typ. Max. Unit RthA - - 0.3(1) K/W VF - - 1.1 V SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 22/01/2005 ZMC52 Series Temp. Zener Voltage Range 1) 1) Maximum Zener Impedance Reverse Leakage Current Coefficient of Zener Voltage Type Vznom 3) rZJK at IZK IR 2) lZT rZJT at VR V mA Ω Ω mA μA V TKVZ %/K ZMC 5221 2.4 20 <30 <1200 0.25 <100 1 <-0.085 ZMC 5222 2.5 20 <30 <1250 0.25 <100 1 <-0.085 ZMC 5223 2.7 20 <30 <1300 0.25 <75 1 <-0.080 ZMC 5224 2.8 20 <30 <1400 0.25 <75 1 <-0.080 ZMC 5225 3.0 20 <29 <1600 0.25 <50 1 <-0.075 ZMC 5226 3.3 20 <28 <1600 0.25 <25 1 <-0.070 ZMC 5227 3.6 20 <24 <1700 0.25 <15 1 <-0.065 ZMC 5228 3.9 20 <23 <1900 0.25 <10 1 <-0.060 ZMC 5229 4.3 20 <22 <2000 0.25 <5 1 <-0.055 ZMC 5230 4.7 20 <19 <1900 0.25 <5 2 <±0.030 ZMC 5231 5.1 20 <17 <1600 0.25 <5 2 <±0.030 ZMC 5232 5.6 20 <11 <1600 0.25 <5 3 <+0.038 ZMC 5233 6.0 20 <7 <1600 0.25 <5 3.5 <+0.038 ZMC 5234 6.2 20 <7 <1000 0.25 <5 4 <+0.045 ZMC 5235 6.8 20 <5 <750 0.25 <3 5 <+0.050 ZMC 5236 7.5 20 <6 <500 0.25 <3 6 <+0.058 ZMC 5237 8.2 20 <8 <500 0.25 <3 6.5 <+0.062 ZMC 5238 8.7 20 <8 <600 0.25 <3 6.5 <+0.065 ZMC 5239 9.1 20 <10 <600 0.25 <3 7 <+0.068 ZMC 5240 10 20 <17 <600 0.25 <3 8 <+0.075 ZMC 5241 11 20 <22 <600 0.25 <2 8.4 <+0.076 ZMC 5242 12 20 <30 <600 0.25 <1 9.1 <+0.077 ZMC 5243 13 9.5 <13 <600 0.25 <0.5 9.9 <+0.079 ZMC 5244 14 9.0 <15 <600 0.25 <0.1 10 <+0.082 ZMC 5245 15 8.5 <16 <600 0.25 <0.1 11 <+0.082 ZMC 5246 16 7.8 <17 <600 0.25 <0.1 12 <+0.083 ZMC 5247 17 7.4 <19 <600 0.25 <0.1 13 <+0.084 ZMC 5248 18 7.0 <21 <600 0.25 <0.1 14 <+0.085 ZMC 5249 19 6.6 <23 <600 0.25 <0.1 14 <+0.086 ZMC 5250 20 6.2 <25 <600 0.25 <0.1 15 <+0.086 ZMC 5251 22 5.6 <29 <600 0.25 <0.1 17 <+0.087 ZMC 5252 24 5.2 <33 <600 0.25 <0.1 18 <+0.088 ZMC 5253 25 5.0 <35 <600 0.25 <0.1 19 <+0.089 ZMC 5254 27 4.6 <41 <600 0.25 <0.1 21 <+0.090 ZMC 5255 28 4.5 <44 <600 0.25 <0.1 21 <+0.091 ZMC 5256 30 4.2 <49 <600 0.25 <0.1 23 <+0.091 ZMC 5257 33 3.8 <58 <700 0.25 <0.1 25 <+0.092 ZMC 5258 36 3.4 <70 <700 0.25 <0.1 27 <+0.093 ZMC 5259 39 3.2 <80 <800 0.25 <0.1 30 <+0.094 ZMC 5260 43 3.0 <93 <900 0.25 <0.1 33 <+0.095 ZMC 5261 47 2.7 <105 <1000 0.25 <0.1 36 <+0.095 ZMC 5262 51 2.5 <125 <1100 0.25 <0.1 39 <+0.096 ZMC 5263 56 2.2 <150 <1300 0.25 <0.1 43 <+0.096 ZMC 5264 60 2.1 <170 <1400 0.25 <0.1 46 <+0.097 ZMC 5265 62 2.0 <185 <1400 0.25 <0.1 47 <+0.097 ZMC 5266 68 1.8 <230 <1600 0.25 <0.1 52 <+0.097 ZMC 5267 75 1.7 <270 <1700 0.25 <0.1 56 <+0.098 ZMC 5268 82 1.5 <330 <2000 0.25 <0.1 62 <+0.098 ZMC 5269 87 1.4 <370 <2200 0.25 <0.1 68 <+0.099 ZMC 5270 91 1.4 <400 <2300 0.25 <0.1 69 <+0.099 ZMC 5271 100 1.3 <500 -- -- <0.1 75 <+0.100 ZMC 5272 110 1.2 <700 -- -- <0.1 83 <+0.100 ZMC 5273 120 1.0 <950 -- -- <0.1 90 <+0.100 ZMC 5274 130 0.95 <1100 -- -- <0.1 98 <+0.110 ZMC 5275 140 0.90 <1300 -- -- <0.1 105 <+0.110 SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 22/01/2005 ZMC52 Series Temp. Zener Voltage Range 1) 1) Maximum Zener Impedance Reverse Leakage Current Coefficient of Zener Voltage Type Vznom 3) lZT rZJT rZJK at IZK IR 2) at VR TKVZ V mA Ω Ω mA μA V %/K ZMC 5276 150 0.85 <1500 -- -- <0.1 113 <+0.110 ZMC 5277 160 0.80 <1700 -- -- <0.1 120 <+0.115 ZMC 5278 170 0.74 <1900 -- -- <0.1 127 <+0.115 ZMC 5279 180 0.68 <2200 -- -- <0.1 135 <+0.120 ZMC 5280 190 0.66 <2400 -- -- <0.1 142 <+0.120 ZMC 5281 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 (IZT or IZK) is superimposed 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) Measured under thermal equilibrium and DC test conditions. 3) Tested with pulses tp = 20 ms. max SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 22/01/2005