ZMM 5225 ... ZMM 5262 Silicon Planar Zener Diodes Standard Zener voltage tolerance is +20%. Add suffix A for +10% tolerance and suffix B for +5% tolerance. Other tolerance, non standard and higher Zener voltages upon requrst. These diodes are also available in DO-35 case with the type designation 1N5225... 1N5262. These diodes are delivered taped. Details see Taping. Absolute Maximum Ratings (T, = 25 C) Le 3,50, -p Cathode Mark iri Glass case MiniMELF Weight approx. 0.05g Dimensions in mm Symbol Value Unit Zener Current see Table Characteristics Power Dissipation at T,,, = 75 C ot 500 mw Junction Temperature T, 175 C Storage Temperature Range T, -65 to + 175 C "Valid provided that electrodes are kept at ambient temperature. Characteristics at T, _, = 25C Symbol Min. Typ. Max. Unit Thermal Resistance R - - 0.3?) K/mWw Junction to Ambient Air ma Forward Voltage Vv - - 1.1 Vv at |, = 200 mA Valid provided that electrodes are kept at ambient temperature. SEMTECH ELECTRONICS LTD. ( wholly owned subsidiary of AGMEY TECHNOLOGY LTO. )ZMM 5225 ... ZMM 5262 Type Nominal Test Maximum Zener Impedance "| Typical Maximum reverse leakage current Maximum voltage? | coaficient current n he ne = 0.25 mA Sutti, aase Suffix B VV 1,mA Z 72 ZG Op YofK 1, HA VV VV 14,704 ZMM5225| 3.0 20 29 1600 -0.075 50 0.95 1.0 152 ZMM5226) 3.3 20 28 1600 -0.070 25 0.95 1.0 138 ZMM5227) 3.6 20 24 1700 -0.065 15 0.95 1.0 126 ZMM5228| 3.9 20 23 1900 -0.060 10 0.95 1.0 115 ZMM5229| 4.3 20 22 2000 -0.055 5 0.95 1.0 106 ZMM5230| 4.7 20 19 1900 +0.030 5 1.9 2.0 97 ZMM5231| 5.1 20 17 1600 +0.030 5 1.9 2.0 89 ZMM5232) 5.6 20 11 1600 +0.038 5 2.9 3.0 81 ZMM5233| 6.0 20 7 1600 +0.038 5 3.3 3.5 76 2ZMM5234| 6.2 i) 7 1000 +0.045 5 3.8 4.0 73 ZMM5235; 6.8 20 5 750 +0.050 3 4.8 5.0 67 ZMM5236| 7.5 20 6 500 +0.058 3 5.7 6.0 61 ZMM5237| 8.2 20 8 500 +0.062 3 6.2 6.5 55 ZMM5238| 8.7 20 8 600 +0.065 3 6.2 6.5 52 ZMM5239| 9.1 20 10 600 +0.068 3 6.7 7.0 50 ZMM5240| 10 20 17 600 +0.075 3 7.6 8.0 45 ZMM5241| 11 20 22 600 +0.076 2 8.0 8.4 41 2ZMM5242| 12 20 30 600 +0.077 1 8.7 9.1 38 ZMM5243| 13 9.5 13 600 +0.079 0.5 9.4 9.9 35 2ZMM5244| 14 9.0 15 600 +0.082 0.1 9.5 10 32 ZMM5245; 15 8.5 16 600 +0.082 0.1 10.5 11 30 ZMM5246| 16 7.8 17 600 +0.083 0.1 11.4 12 28 ZMM5247| 17 7.4 19 600 +0.084 0.1 12.4 13 27 ZMM5248| 18 7.0 21 600 +0.085 0.1 13.3 14 25 ZMM5249| 19 6.6 23 600 +0.086 0.1 13.3 14 24 ZMM5250| 20 6.2 25 600 +0.086 0.1 14.3 15 23 ZMM5251| 22 5.6 29 600 +0.087 0.1 16.2 17 21 ZMM5252| 24 5.2 33 600 +0.087 0.1 17.1 18 19.1 ZMM5253| 25 5.0 35 600 +0.089 0.1 18.1 19 18.2 ZMM5254| 27 4.6 41 600 +0.090 0.1 20 21 16.8 ZMM5255| 28 4.4 44 600 +0.091 0.1 20 21 16.2 ZMM5256; 30 4.2 49 600 +0.091 0.1 22 23 15.1 2MM5257| 33 3.8 58 700 +0.092 0.1 24 25 13.8 ZMM5258| 36 3.4 70 700 +0.093 0.1 26 27 12.6 ZMM5259| 39 3.2 80 800 +0.094 0.1 29 30 11.6 ZMM5260| 43 3.0 93 900 +0.095 0.1 31 33 10.6 ZMM5261| 47 2.7 105 1000 +0.095 0.1 34 36 9.7 ZMM5262| 51 2.5 125 1100 +0.096 0.1 37 39 8.9 0) 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 (1, or I,,) is superimposed on I, or |,,. Zener Impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. 2) Valid provided that electrodes are kept at ambient temperature. 3) Measured under thermal equilibrium and DC test conditions. (ee SEMTECH ELECTRONICS LTD. SEY) ( wholly owned subsidiary of HONEY TECHNGLOGY LTO. ) " ZMM 5225 ... ZMM 5262 Admissible power dissipation versus ambient temperature Valid provided that electrodes are kept at ambient temperature mw ZMM5225 ... 500 1 Pot 400 300 \ 200 100 \ 0 100 200C Tamb SEMTECH ELECTRONICS LTD. ( wholly owned subsidiary of AGMEY TECHNOLOGY LTO. )