LESHAN RADIO COMPANY, LTD. 500mW 1N52 Series Zener Diodes 1N52 Series . 500mW DO-35 . Zener voltage regulator diodes . Hermetically sealed glass silicon zener diodes . Complete voltage range_2.4 to 43 volts . We declare that the material of product compliance with RoHS requirements. TYPE Nominal Zener Test Current Voltage Vz@Lzt Volts I zt mA Ta=25℃ Max Zener Impedance A and B Sufflx only Z zt @ I zt Ohms Z zk@ Izk=0.25mA Ohms V Fmax=1.1V @ I F=200mA Max Reverse Leakage Current IR uA Max VR Volts B P=500（mW） Max Zener Voltege Temperature Coff (A amd Bsuffix only) VZ(%/℃) 1N5221B 2.4 30 1200 100 -0.085 1N5222B 2.5 30 1250 100 -0.085 1N5223B 2.7 30 1300 75 1N5224B 2.8 30 1400 75 -0.08 1N5225B 3.0 29 1600 50 -0.075 1N5226B 3.3 28 1600 25 1.0 -0.07 1N5227B 3.6 24 1700 15 1.0 -0.065 1N5228B 3.9 23 1900 10 1.0 -0.06 1N5229B 4.3 22 2000 5.0 1.0 ±0.055 1N5230B 4.7 19 1900 5.0 2.0 ±0.03 1N5231B 5.1 17 1600 5.0 2.0 ±0.03 1N5232B 5.6 11 1600 5.0 3.0 +0.038 20 20 20 1.0 -0.08 1N5233B 6 7.0 1600 5.0 3.5 +0.038 1N5234B 6.2 7.0 1000 5.0 4.0 +0.045 1N5235B 6.8 5.0 750 3.0 5.0 +0.05 1N5236B 7.5 6.0 500 6.0 +0.058 1N5237B 8.2 8.0 500 6.5 +0.062 1N5238B 8.7 8.0 600 6.5 +0.065 1N5239B 9.1 10 600 7.0 +0.068 1N5240B 10 17 600 8.0 +0.075 1N5241B 11 20 22 2.0 8.4 +0.076 1N5242B 12 20 30 1.0 9.1 +0.077 1N5243B 13 9.5 13 0.5 9.9 +0.079 1N5244B 14 9.0 15 0.1 10 +0.082 1N5245B 15 8.5 16 0.1 11 +0.082 1N5246B 1N5247B 16 17 7.8 7.4 17 19 12 13 +0.083 +0.084 1N5248B 18 7.0 21 14 +0.085 1N5249B 19 6.6 23 14 +0.086 1N5250B 20 6.2 25 15 +0.086 20 600 600 3.0 0.1 1/2 LESHAN RADIO COMPANY, LTD. 1N5251B 22 5.6 29 17 +0.087 1N5252B 24 5.2 33 18 +0.088 1N5253B 25 5.0 35 19 +0.089 1N5254B 27 4.6 41 21 +0.090 1N5255B 28 4.5 44 21 +0.091 1N5256B 30 4.2 49 600 23 +0.091 1N5257B 33 3.8 58 700 25 +0.092 1N5258B 36 3.4 70 700 27 +0.093 1N5259B 39 3.2 80 800 30 +0.094 1N5260B 43 3.0 93 900 33 +0.095 600 0.1 0.1 * suffix B: Vz ±5% * tested with pulse (40 ms). POWER DISSIPATION P％mW） Characteristic Curves ZENER CURRENT Iz(mA) Vz--Iz 25 20 15 10 5 0 2 4 6 8 ZENER VOLTAGE 10 12 14 Vz（V） P--Ta 800 600 400 200 0 50 100 150 200 250 300 350 AMBIENT TEMPERATURE Ta（℃） Package Dimensions in inches and (millmeters) B D K MILLIMETERS DIM MIN MAX INCHES MIN MAX A B D 3.6 4.0 0.14 0.157 1.6 2.0 0.063 0.079 0.4 0.6 0.016 0.024 K 28 30 1.102 1.181 A DO-35 K DO-35 2/2 LESHAN RADIO COMPANY, LTD. Packing Taping / Box(T52) Tape Inner Box:5000pcs/each 80mm 80mm 260mm Taping / Box(T26) Tape Inner Box:5000pcs/each 80mm 50mm 260mm Bulk 500pcs/bag 85mm 10000pcs /each 160 mm 185mm Reel（T52） 10000pcs/卷 Φ90mm Φ330mm