JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOD-323 Plastic-Encapsulate Diode SOD-323 MMSZ5221BS-MMSZ5259BS ZENER DIODE FEATURES Planar Die Construction Ultra-Small Surface Mount Package General purpose, Medium Current Ideally Suited for Automated Assembly Processes Maximum Ratings(Ta=25 unless otherwise specified) Characteristic Symbol Value Unit Forward Voltage (Note 2) I = 10mA V 0.9 V F F Power Dissipation(Note 1) PD 200 mW Thermal Resistance, Junction to Ambient Air R 625 JA /W Operating and Storage Temperature Range T ,T -65 ~ +150 j STG 2 Notes:1. Device mounted on ceramic PCBS 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm . 2. Tested with pulses, Tp1.0ms. B,Jan,2014Electrical Characteristics ( Ta= 25C unless otherWise specified ) Maximum Maximum Zener Impedance Zener Voltage Range (Note 2) Reverse Type (Note 4) Code Current Number V I I Z I Z I I I V Z ZT ZT ZT ZT ZK ZK ZK R R Nom(V) Min(V) Max(V) mA mA uA V MMSZ5221BS C1 2.4 2.28 2.52 20 30 1200 0.25 100 1.0 MMSZ5223BS C3 2.7 2.57 2.84 20 30 1300 0.25 75 1.0 MMSZ5225BS C5 3.0 2.85 3.15 20 30 1600 0.25 50 1.0 MMSZ5226BS G1 3.3 3.14 3.47 20 28 1600 0.25 25 1.0 MMSZ5227BS G2 3.6 3.42 3.78 20 24 1700 0.25 15 1.0 MMSZ5228BS G3 3.9 3.71 4.10 20 23 1900 0.25 10 1.0 MMSZ5229BS G4 4.3 4.09 4.52 20 22 2000 0.25 5 1.0 MMSZ5230BS G5 4.7 4.47 4.94 20 19 1900 0.25 5 2.0 MMSZ5231BS E1 5.1 4.85 5.36 20 17 1600 0.25 5 2.0 MMSZ5232BS E2 5.6 5.32 5.88 20 11 1600 0.25 5 3.0 MMSZ5233BS E3 6.0 5.70 6.30 20 7 1600 0.25 5 3.5 MMSZ5234BS E4 6.2 5.89 6.51 20 7 1000 0.25 5 4.0 MMSZ5235BS E5 6.8 6.46 7.14 20 5 750 0.25 3 5.0 MMSZ5236BS F1 7.5 7.13 7.88 20 6 500 0.25 3 6.0 MMSZ5237BS F2 8.2 7.79 8.61 20 8 500 0.25 3 6.5 MMSZ5238BS F3 8.7 8.27 9.14 20 8 600 0.25 3 6.5 MMSZ5239BS F4 9.1 8.65 9.56 20 10 600 0.25 3 7.0 MMSZ5240BS F5 10 9.50 10.50 20 17 600 0.25 3 8.0 MMSZ5241BS H1 11 10.45 11.55 20 22 600 0.25 2.0 8.4 MMSZ5242BS H2 12 11.40 12.60 20 30 600 0.25 1.0 9.1 MMSZ5243BS H3 13 12.35 13.65 9.5 13 600 0.25 0.5 9.9 MMSZ5244BS H4 14 13.30 14.70 9.0 15 600 0.25 0.1 10 MMSZ5245BS H5 15 14.25 15.75 8.5 16 600 0.25 0.1 11 MMSZ5246BS J1 16 15.20 16.80 7.8 17 600 0.25 0.1 12 MMSZ5248BS J3 18 17.10 18.90 7.0 21 600 0.25 0.1 14 MMSZ5250BS J5 20 19.00 21.00 6.2 25 600 0.25 0.1 15 MMSZ5251BS K1 22 20.90 23.10 5.6 29 600 0.25 0.1 17 MMSZ5252BS K2 24 22.80 25.20 5.2 33 600 0.25 0.1 18 MMSZ5253BS K3 25 23.75 26.25 5.0 35 600 0.25 0.1 19 MMSZ5254BS K4 27 25.65 28.35 5.0 41 600 0.25 0.1 21 MMSZ5255BS K5 28 26.60 29.40 4.5 44 600 0.25 0.1 21 MMSZ5256BS M1 30 28.50 31.50 4.2 49 600 0.25 0.1 23 MMSZ5257BS M2 33 31.35 34.65 3.8 58 700 0.25 0.1 25 MMSZ5258BS M3 36 34.20 37.80 3.4 70 700 0.25 0.1 27 MMSZ5259BS M4 39 37.05 40.95 3.2 80 800 0.25 0.1 30 B,Jan,2014