1SMA5913A-1SMA5957A Surface Mount Silicon Zener Diodes VZ : 3.3 - 240 Volts PD : 1.5 Watts Features Complete Voltage Range 3.3 to 240 Volts High peak reverse power dissipation High reliability Low leakage current Pb / RoHS Free Mechanical Data 4.2 ± 0.25 1.3 ± 0.2 5.3 ± 0.35 SMA 1.6 ± 0.25 2.3 ± 0.2 2.6 ± 0.15 Case : SMA Molded plastic Epoxy : UL94V-O rate flame retardant Polarity : Color band denotes cathode end Mounting position : Any Weight : 0.060 gram (Approximately) 1.6 ± 0.25 Dimensions in millimeters MAXIMUM RATINGS Rating at 25 °C ambient temperature unless otherwise specified Rating DC Power Dissipation @ TL = 75 °C Symbol Value Unit PD 1.5 W 20 mW/°C 50 °C/W Measured zero lead length(1" square copper pad, FR-4 board) Derate above 75 °C Thermal Resistance Junction to Lead RӨJL PD DC Power Dissipation @ Ta = 25 °C 0.5 W 4.0 mW/°C RӨJA VF 250 °C/W 1.5 V TJ, TSTG - 65 to + 150 °C (FR-4 board) Derate above 25 °C Thermal Resistance Junction to Ambient Maximum Forward Voltage at I F = 200 mA Operating Junction and Storang Temperature Range PD, MAXIMUM DISSIPATION, (W) Fig. 1 POWER TEMPERATURE DERATING CURVE 1.5 1.2 0.9 TL 0.6 Ta 0.3 0 0 25 50 75 100 125 150 175 T, TEMPERATURE (°C) http://www.luguang.cn mail:[email protected] 1SMA5913A-1SMA5957A Surface Mount Silicon Zener Diodes ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified Nominal Zener Maximum Zener Voltage Impedance TYPE Maximum Reverse Leakage Current Maximum DC Zener Current IR @ V R IZM VZ @ IZT IZT ZZT @ IZT ZZK @ IZK IZK (V) (mA) (Ω) (Ω) (mA) (μA) (V) (mA) 1SMA5913A 3.3 113.6 10 500 1.0 1SMA5914A 3.6 104.2 9.0 500 1.0 1SMA5915A 3.9 96.1 7.5 500 1.0 1SMA5916A 4.3 87.2 6.0 500 1.0 1SMA5917A 4.7 79.8 5.0 500 1.0 1SMA5918A 5.1 73.5 4.0 500 1.0 1SMA5919A 5.6 66.9 2.0 500 1.0 1SMA5920A 6.2 60.5 2.0 200 1.0 1SMA5921A 6.8 55.1 2.5 200 1.0 1SMA5922A 7.5 50.0 3.0 400 0.5 1SMA5923A 8.2 45.7 3.5 400 0.5 1SMA5924A 9.1 41.2 4.0 500 0.5 1SMA5925A 10 37.5 4.5 500 0.25 1SMA5926A 11 34.1 5.5 550 0.25 1SMA5927A 12 31.2 6.5 550 0.25 1SMA5928A 13 28.8 7.0 550 0.25 1SMA5929A 15 25.0 9.0 600 0.25 1SMA5930A 16 23.4 10 600 0.25 1SMA5931A 18 20.8 12 650 0.25 1SMA5932A 20 18.7 14 650 0.25 1SMA5933A 22 17.0 17.5 650 0.25 1SMA5934A 24 15.6 19 700 0.25 1SMA5935A 27 13.9 23 700 0.25 1SMA5936A 30 12.5 26 750 0.25 1SMA5937A 33 11.4 33 800 0.25 1SMA5938A 36 10.4 38 850 0.25 1SMA5939A 39 9.6 45 900 0.25 1SMA5940A 43 8.7 53 950 0.25 1SMA5941A 47 8.0 67 1000 0.25 1SMA5942A 51 7.3 70 1100 0.25 1SMA5943A 56 6.7 86 1300 0.25 1SMA5944A 62 6.0 100 1500 0.25 1SMA5945A 68 5.5 120 1700 0.25 1SMA5946A 75 5.0 140 2000 0.25 1SMA5947A 82 4.6 160 2500 0.25 1SMA5948A 91 4.1 200 3000 0.25 1SMA5949A 100 3.7 250 3100 0.25 1SMA5950A 110 3.4 300 4000 0.25 1SMA5951A 120 3.1 380 4500 0.25 1SMA5952A 130 2.9 450 5000 0.25 1SMA5953A 150 2.5 600 6000 0.25 1SMA5954A 160 2.3 700 6500 0.25 1SMA5955A 180 2.1 900 7000 0.25 1SMA5956A 200 1.9 1200 8000 0.25 1SMA5957A 240 1.5 1600 9000 0.25 Note : ( 1 ) Suffix "A " indicates ± 10% tolerance, suffix " B " indicates ± 5% tolerance. 100 75 25 5.0 5.0 5.0 5.0 5.0 50 50 50 50 50 50 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.5 2.0 3.0 4.0 5.2 6.0 6.5 7.0 8.0 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 38.8 42.6 47.1 51.7 56.0 62.2 69.2 76.0 83.6 91.2 98.8 114.0 121.6 136.8 152.0 182.4 454 416 384 348 319 294 267 241 220 200 182 164 150 136 125 115 100 93 83 75 68 62 55 50 45 41 38 34 31 29 26 24 22 20 18 16 15 13 12 11 10 9.0 8.0 7.0 6.0 http://www.luguang.cn mail:[email protected]