500mw Epitaxial Zener Diode COMCHIP www.comchiptech.com 1N5221B thru 1N5267B Nominal Zener Voltage: 2.4 to 75V Power Dissipation: 0.5W DO-35 Glass Features - 500mW Power Dissipation 2.4V - 75V Nominal Zener Voltage Low Noise Surface Mount Equivalents Available Hermetic Package VZ - Tolerance 5% 1.0 (25.4) Min. 0.079 (2.0) Max. 0.157 (4.0) Max. Mechanical Data - Case: DO-35, Glass - Terminals: Solderable per MIL-STD-202, Method 208 - Polarity: Cathode Band - Approx. Weight: 0.13 grams 1.0 (25.4) Min. 0.024 (0.60) Max. Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Characteristic Power Dissipation (Note 1) Thermal Resistance, Junction to Ambient Air (Note 1) Forward Voltage @ IF = 200mA Operating and Storage Temperature Range Notes: @ TA = 25°C unless otherwise specified Symbol Value Unit Pd 500 mW RqJA 300 °C/W VF 1.1 V Tj, TSTG -65 to +200 °C 1. Valid provided that leads are kept at TL £75°C with lead length = 9.5mm (3/8”) from case; derate above 75°C. MDS0312004A Page 1 500mw Epitaxial Zener Diode COMCHIP www.comchiptech.com Electrical Characteristics @ TA = 25°C unless otherwise specified Zener Voltage Range (Note 2) Test Current VZ @ IZT IZT ZZT @ IZT ZZK @ IZK = 0.25mA IR @VR Maximum Temperature Coefficient @ IZT Type Number Maximum Zener Impedance Maximum Reverse Current Nom (V) Min (V) Max (V) mA W W µA V %/°C 1N5221B 2.4 2.28 2.52 20 30 1200 100 1.0 -0.085 1N5222B 2.5 2.38 2.63 20 30 1250 100 1.0 -0.085 1N5223B 2.7 2.57 2.84 20 30 1300 75 1.0 -0.080 1N5224B 2.8 2.66 2.94 20 30 1400 75 1.0 -0.080 1N5225B 3.0 2.85 3.15 20 29 1600 50 1.0 -0.075 1N5226B 3.3 3.14 3.47 20 28 1600 25 1.0 -0.070 1N5227B 3.6 3.42 3.78 20 24 1700 15 1.0 -0.065 1N5228B 3.9 3.71 4.10 20 23 1900 10 1.0 -0.060 1N5229B 4.3 4.09 4.52 20 22 2000 5.0 1.0 +0.055 1N5230B 4.7 4.47 4.94 20 19 1900 5.0 2.0 +0.030 1N5231B 5.1 4.85 5.36 20 17 1600 5.0 2.0 +0.030 1N5232B 5.6 5.32 5.88 20 11 1600 5.0 3.0 +0.038 1N5233B 6.0 5.70 6.30 20 7.0 1600 5.0 3.5 +0.038 1N5234B 6.2 5.89 6.51 20 7.0 1000 5.0 4.0 +0.045 1N5235B 6.8 6.46 7.14 20 5.0 750 3.0 5.0 +0.050 1N5236B 7.5 7.13 7.88 20 6.0 500 3.0 6.0 +0.058 1N5237B 8.2 7.79 8.61 20 8.0 500 3.0 6.5 +0.062 1N5238B 8.7 8.27 9.14 20 8.0 600 3.0 6.5 +0.065 1N5239B 9.1 8.65 9.56 20 10 600 3.0 7.0 +0.068 1N5240B 10 9.50 10.50 20 17 600 3.0 8.0 +0.075 1N5241B 11 10.45 11.55 20 22 600 2.0 8.4 +0.076 1N5242B 12 11.40 12.60 20 30 600 1.0 9.1 +0.077 1N5243B 13 12.35 13.65 9.5 13 600 0.5 9.9 +0.079 1N5244B 14 13.30 14.70 9.0 15 600 0.1 10 +0.082 1N5245B 15 14.25 15.75 8.5 16 600 0.1 11 +0.082 1N5246B 16 15.20 16.80 7.8 17 600 0.1 12 +0.083 1N5247B 17 16.15 17.85 7.4 19 600 0.1 13 +0.084 1N5248B 18 17.10 18.90 7.0 21 600 0.1 14 +0.085 1N5249B 19 18.05 19.95 6.6 23 600 0.1 14 +0.086 1N5250B 20 19.00 21.00 6.2 25 600 0.1 15 +0.086 1N5251B 22 20.90 23.10 5.6 29 600 0.1 17 +0.087 1N5252B 24 22.80 25.20 5.2 33 600 0.1 18 +0.087 1N5253B 25 23.75 26.25 5.0 35 600 0.1 19 +0.089 1N5254B 27 25.65 28.35 4.6 41 600 0.1 21 +0.090 1N5255B 28 26.60 29.40 4.5 44 600 0.1 21 +0.091 1N5256B 30 28.50 31.50 4.2 49 600 0.1 23 +0.091 1N5257B 33 31.35 34.65 3.8 58 700 0.1 25 +0.092 1N5258B 36 34.20 37.80 3.4 70 700 0.1 27 +0.093 1N5259B 39 37.05 40.95 3.2 80 800 0.1 30 +0.094 1N5260B 43 40.85 45.15 3.0 93 900 0.1 33 +0.095 1N5261B 47 44.65 49.35 2.7 105 1000 0.1 36 +0.095 1N5262B 51 48.45 53.55 2.5 125 1100 0.1 39 +0.096 1N5263B 56 53.20 58.80 2.2 150 1300 0.1 43 +0.096 1N5264B 60 57.00 63.00 2.1 170 1400 0.1 46 +0.097 1N5265B 62 58.90 65.10 2.0 185 1400 0.1 47 +0.097 1N5266B 68 64.60 71.40 1.8 230 1600 0.1 52 +0.097 1N5267B 75 71.25 78.75 1.7 270 1700 0.1 56 +0.098 Notes: 2. Based on dc measurement at thermal equilibrium; lead length = 9.5mm (3/8”); thermal resistance of heat sink = 30°C/W. MDS0312004A Page 2