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1SMA4740 Datasheet(PDF) 4 Page - Taiwan Semiconductor Company, Ltd |
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1SMA4740 Datasheet(HTML) 4 Page - Taiwan Semiconductor Company, Ltd |
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RATINGS AND CHARACTERISTIC CURVES (1SMA4737 THRU 1SMA200Z) Version:H11 FIG.6 TYPICAL CAPACITANCE versus Vz 10 100 1000 1 10 100 Vz, FORWARD VOLTAGE (V) 50% OF BREAKDOWN 0V BIAS 1.0V BIAS FIG. 7 TEMPERATURE COEFFICIENTS -4 -2 0 2 4 6 8 10 12 23 45 678 9 10 11 12 Vz, ZENER VOLTAGE(V) a-RANGE FOR UNITS TO 12 VOLTS RANGE Vz@ IZT FIG.8 TEMPERATURE COEFFICIENTS 1 10 100 10 100 Vz, ZENER VOLTAGE(V) RANGE Vz@ IZT b-RANGE FOR UNITS 12 TO 100 VOLTS FIG. 9 EFFECT OF ZENER CURRENT -4 -2 0 2 4 6 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 Vz, ZENER VOLTAGE(V) NOTE:BELOW 3 VOLTAGE ABOVE a VOLTS CHANGES IN ZENER CURRENT NOT AFFECT TEMPERATURE Vz@ IZT TA=25℃ 0.01mA 1 mA 20mA FIG.10 MAXIMUM SURGE POWER 1 10 100 0.01 0.1 1 10 100 1000 PW, PULSE WIDTH (ms) 20% DUTY CYCLE 11V-91V NON-REPETITIVE 10% DUTY CYCLE 5% DUTY CYCLE 0.8V-10V NON-REPETITIVE RECTANGULAR WAVEFORM TA=25℃ PRIOR TO INITIAL PULSE |
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