ZENER DIODES ZMM Series 500 mW Glass Zener Diodes in MiniMELF Package (Ta = 25 C) Type Zener Voltage Maximum Zener Impedance Typical Min. Reverse Maximum Range* Temperature Voltage Regulator Coefficient at lp = 0.1 vA Current at lz Zar at Izr 22 at lzx at lz =5mA Vr lz Vz Volts mA Ohms mA Ohms mA YlC Volts mA ZMM1 0.7-0.8 5 8 5 50 1 0.24 - 340 ZMM2,7 2.5-2.9 5 83 5 500 1 ~0.065 = 160 ZMM3 2.8-3.2 5 95 5 500 1 0.060 - 140 ZMM3,3 3.1-3.5 5 95 5 500 1 0.055 - 130 ZMM3,6 3.4-3.8 5 95 5 500 1 -0.055 - 120 ZMM3,9 3.7-4.1 5 95 5 500 1 0.050 - 110 ZMM4,3 4.0-4.6 5 95 5 500 1 0.035 - 100 ZMM4,7 4.4-5.0 5 78 5 500 1 ~0.015 = 90 ZMM5,1 4.8-5.4 5 60 5 480 1 +0.005 0.8 80 ZMM5,6 .2-6.0 5 40 5 400 1 +0.020 1.0 70 ZMM6,2 5,.8-6.6 5 10 5 200 1 +0.030 2.0 64 ZMM6,8 6.4-7.2 5 8 5 150 1 +0.045 3.0 58 ZMM/7,5 7.0-7.9 5 7 5 50 1 +0.050 5.0 53 ZMM8,2 1.7-8.7 5 7 5 50 1 +0.055 6.0 47 ZMM9Q,1 8.5-9.6 5 10 5 50 1 +0.065 7.0 43 ZMM10 9.4-10.6 5 15 5 70 1 +0.065 7.5 40 ZMM11 10.4-11.6 5 20 5 70 1 +0.070 8.5 36 ZMM12 11.4-12.7 5 20 5 90 1 +0.075 9.0 32 ZMM13 42.4-14.1 5 25 5 110 1 +0.080 10 29 ZMM15 13.8-15.6 5 30 5 110 1 +0.080 11 27 ZMM16 15.3-17.1 5 40 5 170 1 +0.090 12 24 ZMM18 16.8-19.1 5 50 5 170 1 +0.090 14 21 ZMM20 18.8-21.2 5 50 5 220 1 +0.090 15 20 ZMM22 20.8-23.3 5 55 5 220 1 +0.090 17 18 ZMM24 22.8-25.6 5 80 5 220 1 +0.090 18 16 ZMM27 25.1-28.9 5 80 5 250 1 +0.090 20 14 ZMM30 28-32 5 80 5 250 1 +0.090 22.5 13 ZMM33 31-35 5 80 5 250 1 +0.090 25 12 ZMM36 34-38 5 90 5 250 1 +0.090 27 11 ZMM39 37-41 5 90 5 300 1 +0.110 29 10 ZMM43 40-46 5 100 5 700 1 +0.110 32 9.2 ZMM47 44-50 5 100 5 750 1 +0.110 35 8.5 ZMM51 48-54 5 +00 5 750 1 +0.110 38 7.8 Standard Voltage Tolerance is +5%. Other Tolerances, Non-Standard and Higher Zener Voltages Upon Request. The ZMM1 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. 42