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ZM4749A Datasheet(PDF) 2 Page - Yea Shin Technology Co., Ltd |
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ZM4749A Datasheet(HTML) 2 Page - Yea Shin Technology Co., Ltd |
2 / 3 page http://www.yeashin.com 2 REV.02 20120305 ZM47xxA Series Electrical Characteristics TA = 25°C unless otherwise noted Device Type VZ @ IZT (Volts) Nominal IZT (mA) ZZT @ IZT ( Ω) Max IZK (mA) ZZK @ IZK ( Ω) Max IR @ VR ( µA) Max VR (Volts) ZM4749A 24 10.5 25 0.25 750 5 18.2 ZM4750A 27 9.5 35 0.25 750 5 20.6 ZM4751A 30 8.5 40 0.25 1000 5 22.8 ZM4752A 33 7.5 45 0.25 1000 5 25.1 ZM4753A 36 7 50 0.25 1000 5 27.4 ZM4754A 39 6.5 60 0.25 1000 5 29.7 ZM4755A 43 6 70 0.25 1500 5 32.7 ZM4756A 47 5.5 80 0.25 1500 5 35.8 ZM4757A 51 5 95 0.25 1500 5 38.8 ZM4758A 56 4.5 110 0.25 2000 5 42.6 VF Forward Voltage = 1.2 V Maximum @ IF = 200 mA for all types Notes: 1. The device numbers listed have a standard tolerance on the nominal zener voltage of ±5%. 2. For detailed information on price, availability and delivery of nominal zener voltages between the voltages shown and tighter 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. Electrical Symbol Definition Typical Characteristics Symbol Parameter VZ Reverse Zener Voltage @ IZT IZT Reverse Current ZZT Maximum Zener Impedance @ IZT IZK Reverse Current ZZK Maximum Zener Impedance @ IZK IR Reverse Leakage Current @ VR VR Breakdown Voltage IF Forward Current VF Forward Voltage @ IF V I (mV) (V) (mA) (mA) VF IF VR IR VZ IZT (nA) |
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