MMSZ5221BS - MMSZ5259BS SURFACE MOUNT ZENER DIODE Features Mechanical Data Planar Die Construction Case: SOD323 Small Surface Mount Package Case Material: Molded Plastic. UL Flammability Classification General Purpose Rating 94V-0 Ideally Suited for Automated Assembly Processes Moisture Sensitivity: Level 1 per J-STD-020D e3 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Terminals: Solderable per MIL-STD-202, Method 208 Halogen and Antimony Free. Green Device (Note 3) Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). Polarity: Cathode Band Weight: 0.004 grams (approximate) Top View Ordering Information (Note 4) Part Number Case Packaging (Type Number)-7-F* SOD-323 3000/Tape & Reel (Type Number)-13-F* (Note 5) SOD-323 10000/Tape & Reel * For (Type Number), please see the Electrical Characteristics Table. Example: 6.2V Zener = MMSZ5234BS-7-F. Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See MMSZ5221BS - MMSZ5259BS Maximum Ratings ( T = +25C, unless otherwise specified.) A Characteristic Symbol Value Unit Forward Voltage (Note 6) I = 10mA V 0.9 V F F Thermal Characteristics Characteristic Symbol Value Unit Power Dissipation (Note 7) P 200 mW D Thermal Resistance, Junction to Ambient Air (Note 7) 625 R C/W JA Operating and Storage Temperature Range -65 to +150 T T C J, STG Electrical Characteristics ( T = +25C, unless otherwise specified.) A Test Maximum Zener Maximum Reverse Zener Voltage Range (Note 8) Current Impedance (Note 9) Leakage Current (Note 8) Type Marking Z I ZK ZK Number Code V I I Z I I V Z ZT ZT ZT ZT R R = 0.25mA Nom (V) Min (V) Max (V) mA A V MMSZ5221BS C1 2.4 2.28 2.52 20 30 1200 100 1.0 MMSZ5223BS C3 2.7 2.57 2.84 20 30 1300 75 1.0 MMSZ5225BS C5 3.0 2.85 3.15 20 30 1600 50 1.0 MMSZ5226BS G1 3.3 3.14 3.47 20 28 1600 25 1.0 MMSZ5227BS G2 3.6 3.42 3.78 20 24 1700 15 1.0 MMSZ5228BS G3 3.9 3.71 4.10 20 23 1900 10 1.0 MMSZ5229BS G4 4.3 4.09 4.52 20 22 2000 5.0 1.0 MMSZ5230BS G5 4.7 4.4 7 4.94 20 19 1900 5.0 2.0 MMSZ5231BS E1 5.1 4.85 5.36 20 17 1600 5.0 2.0 MMSZ5232BS E2 5.6 5.32 5.88 20 11 1600 5.0 3.0 MMSZ5233BS E3 6.0 5.70 6.30 20 7 1600 5.0 3.5 MMSZ5234BS E4 6.2 5.89 6.51 20 7 1000 5.0 4.0 MMSZ5235BS E5 6.8 6.46 7.14 20 5 750 3.0 5.0 MMSZ5236BS F1 7.5 7.13 7.88 20 6 500 3.0 6.0 MMSZ5237BS F2 8.2 7.79 8.61 20 8 500 3.0 6.5 MMSZ5238BS F3 8.7 8.27 9.14 20 8 600 3.0 6.5 MMSZ5239BS F4 9.1 8.65 9.56 20 10 600 3.0 7.0 MMSZ5240BS F5 10 9.50 10.50 20 17 600 3.0 8.0 MMSZ5241BS H1 11 10.45 11.55 20 22 600 2.0 8.4 MMSZ5242BS H2 12 11.40 12.60 20 30 600 1.0 9.1 MMSZ5243BS H3 13 12.35 13.65 9.5 13 600 0.5 9.9 MMSZ5245BS H5 15 14.25 15.75 8.5 16 600 0.1 11 MMSZ5246BS J1 16 15.20 16.80 7.8 17 600 0.1 12 MMSZ5248BS J3 18 17.10 18.90 7.0 21 600 0.1 14 MMSZ5250BS J5 20 19.00 21.00 6.2 25 600 0.1 15 MMSZ5251BS K1 22 20.90 23.10 5.6 29 600 0.1 17 MMSZ5252BS K2 24 22.80 25.20 5.2 33 600 0.1 18 MMSZ5254BS K4 27 25.65 28.35 5.0 41 600 0.1 21 MMSZ5255BS K5 28 26.60 29.40 4.5 44 600 0.1 21 MMSZ5256BS M1 30 28.50 31.50 4.2 49 600 0.1 23 MMSZ5257BS M2 33 31.35 34.65 3.8 58 700 0.1 25 MMSZ5258BS M3 36 34.20 37.80 3.4 70 700 0.1 27 MMSZ5259BS M4 39 37.05 40.95 3.2 80 800 0.1 30 Notes: 6. Short duration pulse test used to minimize self-heating effect. 7. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at