ZENER DIODES ZMY and ZMU Series 1 Watt Glass Zener Diodes in MELF Package (Ta = 25 C) Type Zener Maximum Typical Test Min. Reverse Maximum Voltage Zener Temperature Current Voltage Regulator Range Impedance Coefficient atl,p =0.5 uA Current Vz at lz7* Zzz at Izr at Izy lar R lou Volts Ohms %lC mA Volts mA ZMY1 0.65-0.75 8 0.24 5.0 = 406 ZMY3,9 3.7-4.1 7 -0.025 100 - 203 ZMY4,3 4.0-4.6 7 0.020 100 - 182 ZMY4,7 4.4-5.0 7 -0.015 100 = 165 ZMY5,1 4.8-5.4 5 0.005 100 0.7 150 ZMY5,6 5.2-6.0 2 +0.010 100 1.5 135 ZMY6,2 5.8-6.6 2 +0.025 100 2 128 ZMY6,8 6.4-7.2 2 +0.035 100 3 110 ZMY7,5 7.0-7.9 2 +0.035 100 5 100 ZMY8,2 7.4-8.7 2 +0.055 100 6 89 ZMY9,1 8.5-9.6 4 +0.055 50 7 82 ZMY10 94106 4 +0.070 50 15 74 ZMY11 10.4-11.6 7 +0.075 50 8.5 66 ZMYi2 11.4-12.7 7 +0.075 50 9.0 60 ZMY1i3 12.4-14.1 9 +0.075 50 10 55 ZMY15 13.8-15.8 9 +0.075 50 11 49 ZMY16 15.3-17.1 10 +0.090 25 12 44 ZMY18 16.8-19.1 11 +0.090 25 14 40 ZMY20 18.8-21.2 12 +0.090 25 15 36 ZMY22 20.8-23.3 13 +0.090 25 17 34 ZMY24 22.8-25.6 14 +0.095 25 18 29 ZMY27 25.1-28.9 15 +0.095 25 20 27 ZMY30 28-32 20 +0.095 25 22.5 25 ZMY33 31-35 20 +0.095 25 25 22 ZMY36 34-38 60 +0.095 10 27 20 ZMY39 37-41 60 +0.100 10 29 18 ZMY43 40-46 80 +0.105 10 32 17 ZMY47 44-50 80 +0.105 10 35 15 ZMY51 48-54 100 +0.105 10 38 14 ZMY56 52-60 100 +0.105 10 42 13 ZMY62 58-66 130 +0.105 10 47 V4 ZMY68 64-72 130 +0.105 10 51 10 ZMY75 70-79 160 +0.105 10 56 9 ZMY82 77-88 160 +0.105 10 61 8 ZMY91 85-96 250 +0.110 5.0 68 0.5 ZMY100 94-106 250 +0.110 5.0 75 7 ZMU100 88-110 300 +0.110 5.0 75 7 ZMU120 107-134 330 +0.110 5.0 90 6 ZMU150 130-165 360 +0.110 5.0 112 5 ZMU180 160-200 380 +0.110 5.0 134 4 Standard Voitage Tolerance is +5% for the ZMY Series and + 10% for the ZMU Series. Other Tolerances and Non-Standard Zener Voltages Upon Request. The ZMY1 is a silicon diode operated in forward direction. Hence, the cathode terminal is to be connected to the negative pole of the supply. *Measured with pulses tp = 20 ms. 44