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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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4 / 4 page 
FIG.6- TYPICAL CAPACITANCE versus Vz FIG.7- TEMPERATURE COEFFICIENTS FIG.8- TEMPERATURE COEFFICIENTS FIG.9- EFFECT OF ZENER CURRENT V , FORWARD VOLTAGE (VOLTS) Z V , ZENER VOLTAGE (VOLTS) Z V , ZENER VOLTAGE (VOLTS) Z V , ZENER VOLTAGE (VOLTS) Z 0V BIAS 1.0V BIAS 50% OF BREAKDOWN BIAS 1 10 100 4 8 10 100 200 300 400 b-RANGE FOR UNITS 11 TO 100 VOLTS V@ I ZZT RANGE 10 20 30 50 70 100 1 2 3 5 7 10 20 30 50 70 100 a-RANGE FOR UNITS TO 12 VOLTS V@ I ZZT RANGE 23 4 5 6 7 8 9 10 11 12 -2.0 -4.0 0 +2.0 +4.0 +6.0 +8.0 +10 +12 V@ I TJ=25 C ZZT o 20mA 0.01mA 1.0mA NOTE: BELOW 3 VOLTS AND ABOVE a VOLTS CHANGES IN ZENER CURRENT OO NOT AFFECT TEMPERATURE COEFFICIENTS 34 5 6 7 8 -4.0 -2.0 0 +2.0 +4.0 +6.0 Version: C08 FIG.10- MAXIMUM SURGE POWER PW, PULSE WIDTH (ms) RECTANGULAR WAVEFORM TJ = 25 C PRIOR TO INITIAL PULSE o 11V-91V NON-REPETITIVE 0.8V -10V NON-REPETITIVE 5% DUTY CYCLE 10% DUTY CYCLE 20% DUTY CYCLE 1 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50 100 200 500 1000 2 3 5 7 10 20 30 50 70 100 RATINGS AND CHARACTERISTIC CURVES (1SMA4737 THRU 1SMA200Z) |
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