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ZM4739A Datasheet(PDF) 2 Page - Tak Cheong Electronics (Holdings) Co.,Ltd |
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ZM4739A Datasheet(HTML) 2 Page - Tak Cheong Electronics (Holdings) Co.,Ltd |
2 / 4 page Number: DB-226 Nov, 2010 / A Page 2 S EM IC OND UC TOR Electrical Characteristics TA = 25°C unless otherwise noted Device Type VZ @ IZT (Volts) Nominal IZT (mA) ZZT @ IZT () Max IZK (mA) ZZK @ IZK () Max IR @ VR (A) Max VR (Volts) ZM4747A 20 12.5 22 0.25 750 5 15.2 ZM4748A 22 11.5 23 0.25 750 5 16.7 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 voltage tolerances, contact your nearest Tak Cheong’s representative. 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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