JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOT-23 Plastic-Encapsulate Diode MMBZ5221B-MMBZ5259B ZENER DIODE SOT-23 FEATURES Planar Die Construction General purpose, Medium Current Ideally Suited for Automated Assembly Marking: see table on page2 the marking code Maximum Ratings(Ta= 25 unless otherwise specified) Characteristic Symbol Value Unit Forward Voltage I = 10mA V 0.9 V F F Power Dissipation PD 300 mW Thermal Resistance, Junction to Ambient Air R 417 JA /W Operating and Storage Temperature Range T , T -55 ~ +150 j STG B,Jun,2013 ELECTRICAL CHARACTERISTICS (Ta=25 unless otherwise specified) Maximum Reverse Test Maximum Zener Leakage Current Zener Voltage Range (Note 1) Current Impedance (Note 2) Marking (Note 1) Type Number Code ZZT ZZK IZK = VZ IZT IZT IR VR IZT 0.25mA Nom (V) Min (V) Max (V) mA A V MMBZ5221B KC1 2.4 2.28 2.52 20 30 1200 100 1.0 MMBZ5222B KC2 2.5 2.38 2.63 20 30 1250 100 1.0 MMBZ5223B KC3 2.7 2.57 2.84 20 30 1300 75 1.0 MMBZ5225B KC5 3.0 2.85 3.15 20 30 1600 50 1.0 MMBZ5226B KG1 3.3 3.14 3.47 20 28 1600 25 1.0 MMBZ5227B KG2 3.6 3.42 3.78 20 24 1700 15 1.0 MMBZ5228B KG3 3.9 3.71 4.10 20 23 1900 10 1.0 MMBZ5229B KG4 4.3 4.09 4.52 20 22 2000 5.0 1.0 MMBZ5230B KG5 4.7 4.47 4.94 20 19 1900 5.0 2.0 MMBZ5231B KE1 5.1 4.85 5.36 20 17 1600 5.0 2.0 MMBZ5232B KE2 5.6 5.32 5.88 20 11 1600 5.0 3.0 MMBZ5233B KE3 6.0 5.70 6.30 20 7 1600 5.0 3.5 MMBZ5234B KE4 6.2 5.89 6.51 20 7 1000 5.0 4.0 MMBZ5235B KE5 6.8 6.46 7.14 20 5 750 3.0 5.0 MMBZ5236B KF1 7.5 7.13 7.88 20 6 500 3.0 6.0 MMBZ5237B KF2 8.2 7.79 8.61 20 8 500 3.0 6.5 MMBZ5238B KF3 8.7 8.27 9.14 20 8 600 3.0 6.5 MMBZ5239B KF4 9.1 8.65 9.56 20 10 600 3.0 7.0 MMBZ5240B KF5 10 9.50 10.50 20 17 600 3.0 8.0 MMBZ5241B KH1 11 10.45 11.55 20 22 600 2.0 8.4 MMBZ5242B KH2 12 11.40 12.60 20 30 600 1.0 9.1 MMBZ5243B KH3 13 12.35 13.65 9.5 13 600 0.5 9.9 MMBZ5244B KH4 14 13.30 14.70 9.0 15 600 0.1 10 MMBZ5245B KH5 15 14.25 15.75 8.5 16 600 0.1 11 MMBZ5246B KJ1 16 15.20 16.80 7.8 17 600 0.1 12 MMBZ5247B KJ2 17 16.15 17.85 7.4 19 600 13 0.1 MMBZ5248B KJ3 18 17.10 18.90 7.0 21 600 0.1 14 MMBZ5249B KJ4 19 18.05 19.95 6.6 23 600 0.1 14 MMBZ5250B KJ5 20 19.00 21.00 6.2 25 600 0.1 15 MMBZ5251B KK1 22 20.90 23.10 5.6 29 600 0.1 17 MMBZ5252B KK2 24 22.80 25.20 5.2 33 600 0.1 18 MMBZ5253B KK3 25 23.75 26.25 5.0 35 600 0.1 19 MMBZ5254B KK4 27 25.65 28.35 5.0 41 600 0.1 21 MMBZ5255B KK5 28 26.60 29.40 4.5 44 600 0.1 21 MMBZ5256B KM1 30 28.50 31.50 4.2 49 600 0.1 23 MMBZ5257B KM2 33 31.35 34.65 3.8 58 700 0.1 25 MMBZ5258B KM3 36 34.20 37.80 3.4 70 700 0.1 27 MMBZ5259B KM4 39 37.05 40.95 3.2 80 800 0.1 30 Notes: 1. Short duration test pulse used to minimize self-heating effect. 2. f = 1kHz. B,Jun,2013