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1N4756 Datasheet(PDF) 3 Page - Micro Commercial Components |
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1N4756 Datasheet(HTML) 3 Page - Micro Commercial Components |
3 / 4 page 1N4728 thru 1N476 1 www.mccsemi.com 3 of 4 MCC TM Micro Commercial Components Figure 3. Effect of Zener Current on Zener Impedance Figure 4. Effect of Zener Voltage on Zener Impedance 1000 500 200 100 50 20 10 5 2 1 0.1 0.2 0.5 1 2 5 10 20 50 100 IZ, ZENER CURRENT (mA) 1000 700 500 200 100 70 50 20 10 7 5 2 1 1 2 100 VZ, ZENER CURRENT (mA) 3 5 7 10 20 30 50 70 TJ = 25°C iZ(rms) = 0.1 IZ(dc) f = 60 Hz 6.2 V 27 V VZ = 2.7 V 47 V TJ = 25°C iZ(rms) = 0.1 IZ(dc) f = 60 Hz 20 mA 5 mA IZ = 1 mA Figure 1. Typical Thermal Resistance versus Lead Length Figure 2. Effect of Zener Current 175 150 125 100 75 50 25 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 L, LEAD LENGTH TO HEAT SINK (INCHES) +6 +4 +2 0 –2 –4 3 4 5 6 7 8 VZ, ZENER VOLTAGE (VOLTS) VZ @ IZ TA = 25°C 20 mA 0.01 mA 1 mA NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS NOTE: CHANGES IN ZENER CURRENT DO NOT NOTE: EFFECT TEMPERATURE COEFFICIENTS Figure 5. Maximum Surge Power 100 70 50 30 20 10 7 5 3 2 1 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50 100 200 500 1000 PW, PULSE WIDTH (ms) This graph represents 90 percentile data points. For worst case design characteristics, multiply surge power by 2/3. 11 V–100 V NONREPETITIVE 3.3 V–10 V NONREPETITIVE 5% DUTY CYCLE 10% DUTY CYCLE 20% DUTY CYCLE RECTANGULAR WAVEFORM TJ = 25°C PRIOR TO INITIAL PULSE Revision: A 20 11/01/01 |
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