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MMSZ5245A Datasheet(PDF) 2 Page - Yea Shin Technology Co., Ltd |
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MMSZ5245A Datasheet(HTML) 2 Page - Yea Shin Technology Co., Ltd |
2 / 4 page ![]() http://www.yeashin.com 2 REV.02 20140509 MMSZ52xxA ELECTRICAL CHARACTERISTICS Electrical Characteristics TA = 25°C unless otherwise noted VZ @ IZT (Volts) Device Type Device Marking Min Nom Max IZT (mA) ZZT @ IZT ( Ω) Max ZZK @ IZK = 0.25mA ( Ω) Max IR @ VR ( μA) Max VR (Volts) MMSZ5251A 251C 21.56 22 22.44 5.6 29 600 0.1 17 MMSZ5252A 252C 23.52 24 24.48 5.2 33 600 0.1 18 MMSZ5253A 253C 24.5 25 25.5 5 35 600 0.1 19 MMSZ5254A 254C 26.46 27 27.54 4.6 41 600 0.1 21 MMSZ5255A 255C 27.44 28 28.56 4.5 44 600 0.1 21 MMSZ5256A 256C 29.4 30 30.6 4.2 49 600 0.1 23 MMSZ5257A 257C 32.34 33 33.66 3.8 58 700 0.1 25 MMSZ5258A 258C 35.28 36 36.72 3.4 70 700 0.1 27 MMSZ5259A 259C 38.22 39 39.78 3.2 80 800 0.1 30 MMSZ5260A 260C 42.14 43 43.86 3 93 900 0.1 33 MMSZ5261A 261C 46.06 47 47.94 2.7 105 1000 0.1 36 MMSZ5262A 262C 49.98 51 52.02 2.5 125 1100 0.1 39 MMSZ5263A 263C 54.88 56 57.12 2.2 150 1300 0.1 43 MMSZ5264A 264C 58.8 60 61.2 2.1 170 1400 0.1 46 MMSZ5265A 265C 60.76 62 63.24 2.0 185 1400 0.1 47 MMSZ5266A 266C 66.64 68 69.36 1.8 230 1600 0.1 52 MMSZ5267A 267C 73.5 75 76.5 1.7 270 1700 0.1 56 VF Forward Voltage = 900mV Maximum @ IF = 10 mA for all types Notes: 1. The zener voltage (VZ) is tested under pulse condition of 1mS. 2. The device numCers listed have a standard tolerance on the nominal zener voltage of ±2%. 3. The zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an rms value equal to 10% of the dc zener current (IZT or IZK) is superimposed to IZT or IZK. |
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