Diodes SMD Type Surface Mount Zener Diodes 1SMB59-B Series Features Flat Handling Surface for Accurate Placement Zener Voltage Range -3.3V to 200V Absolute Maximum Ratings (Ta = 25 ) Parameter Power dissipation Symbol Rating Unit P 3000 mW @ TL = 75 Thermal Resistance, Junction to Lead Power dissipation R JL P @ TA = 25 Thermal Resistance, Junction to Ambient R JA 25 /W 550 mW 226 /W Jumction temperature Tj 150 Storage temperature Tstg -65 to +150 Electrical Characteristics (Ta = 25 ) Zener voltage VZ (V) Zener Impedance Leakage Current Type ZZT @ IZT ( ) ZZK ( ) @ IZK (mA) IR ( A) @ VR (V) IZM (mA) (dc) Marking Min. Mom. Max. @ IZT (mA) 1SMB5913B 3.13 3.3 3.47 113.6 10 500 1.0 100 1.0 454 913B 1SMB5914B 3.42 3.6 3.78 104.2 9.0 500 1.0 75 1.0 416 914B 1SMB5915B 3.70 3.9 4.10 96.1 7.5 500 1.0 25 1.0 384 915B 1SMB5916B 4.08 4.3 4.52 87.2 6.0 500 1.0 5 1.0 348 916B 1SMB5917B 4.46 4.7 4.94 79.8 5.0 500 1.0 5 1.5 319 917B 1SMB5918B 4.84 5.1 5.36 73.5 4.0 350 1.0 5 2.0 294 918B 1SMB5919B 5.32 5.6 5.88 66.9 2.0 250 1.0 5 3.0 267 919B 1SMB5920B 5.89 6.2 6.51 60.5 2.0 200 1.0 5 4.0 241 920B 1SMB5921B 6.46 6.8 7.14 55.1 2.5 200 1.0 5 5.2 220 921B 1SMB5922B 7.12 7.5 7.88 50 3.0 400 0.5 5 6.0 200 922B www.kexin.com.cn 1 Diodes SMD Type 1SMB59-B Series Zener voltage VZ (V) Zener Impedance Leakage Current Type 2 IZM (mA) (dc) Marking Min. Mom. Max. @ IZT (mA) ZZT @ IZT ( ) ZZK ( ) @ IZK (mA) IR ( A) @ VR (V) 1SMB5923B 7.79 8.2 8.61 45.7 3.5 400 0.5 5 6.5 182 923B 1SMB5924B 8.64 9.1 9.56 41.2 4.0 500 0.5 5 7.0 164 924B 1SMB5925B 9.5 10 10.5 37.5 4.5 500 0.25 5 8.0 150 925B 1SMB5926B 10.45 11 11.55 34.1 5.5 550 0.25 1 8.4 136 926B 1SMB5927B 11.4 12 12.6 31.2 6.5 550 0.25 1 9.1 125 927B 1SMB5928B 12.35 13 13.65 28.8 7.0 550 0.25 1 9.9 115 928B 1SMB5929B 14.25 15 15.75 25 9.0 600 0.25 1 11.4 100 929B 1SMB5930B 15.2 16 16.8 23.4 10 600 0.25 1 12.2 93 930B 1SMB5931B 17.1 18 18.9 20.8 12 650 0.25 1 13.7 83 931B 1SMB5932B 19 20 21 18.7 14 650 0.25 1 15.2 75 932B 1SMB5933B 20.9 22 23.1 17 17.5 650 0.25 1 16.7 68 933B 1SMB5934B 22.8 24 25.2 15.6 19 700 0.25 1 18.2 62 934B 1SMB5935B 25.65 27 28.35 13.9 23 700 0.25 1 20.6 55 935B 1SMB5936B 28.5 30 31.5 12.5 28 750 0.25 1 22.8 50 936B 1SMB5937B 31.35 33 34.65 11.4 33 800 0.25 1 25.1 45 937B 1SMB5938B 34.2 36 37.8 10.4 38 850 0.25 1 27.4 41 938B 1SMB5939B 37.05 39 40.95 9.6 45 900 0.25 1 29.7 38 939B 1SMB5940B 40.85 43 45.15 8.7 53 950 0.25 1 32.7 34 940B 1SMB5941B 44.65 47 49.35 8.0 67 1000 0.25 1 35.8 31 941B 1SMB5942B 48.45 51 53.55 7.3 70 1100 0.25 1 38.8 29 942B 1SMB5943B 53.2 56 58.8 6.7 86 1300 0.25 1 42.6 26 943B 1SMB5944B 58.9 62 65.1 6.0 100 1500 0.25 1 47.1 24 944B 1SMB5945B 64.6 68 71.4 5.5 120 1700 0.25 1 51.7 22 945B 1SMB5946B 71.25 75 78.75 5 140 2000 0.25 1 56 20 946B 1SMB5947B 77.9 82 86.1 4.6 160 2500 0.25 1 62.2 18 947B 1SMB5948B 86.45 91 95.55 4.1 200 3000 0.25 1 69.2 16 948B 1SMB5949B 95 100 105 3.7 250 3100 0.25 1 76 15 949B 1SMB5950B 104.5 110 115.5 3.4 300 4000 0.25 1 83.6 13 950B 1SMB5951B 114 120 126 3.1 380 4500 0.25 1 91.2 12 951B 1SMB5952B 123.5 130 136.5 2.9 450 5000 0.25 1 98.8 11 952B 1SMB5953B 142.5 150 157.5 2.5 600 6000 0.25 1 114 10 953B 1SMB5954B 152 160 168 2.3 700 6500 0.25 1 121.6 9 954B 1SMB5955B 171 180 189 2.1 900 7000 0.25 1 136.8 8 955B 1SMB5956B 190 200 210 1.9 1200 8000 0.25 1 152 7 956B www.kexin.com.cn