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Electronic Components Datasheet Search |
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1SMA4740 Datasheet(PDF) 4 Page - Microdiode Electronics (Jiangsu) Co.,Ltd. |
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1SMA4740 Datasheet(HTML) 4 Page - Microdiode Electronics (Jiangsu) Co.,Ltd. |
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4 / 5 page 
Rev:2019A0 Page :4 https://www.microdiode.com Zener Voltage - 3.3 to 200 Volts Peak Pulse Power - 1.0 W 1SMA4728A THRU 1SMA200A FIG.7- TEMPERATURE COEFFICIENTS FIG.8- EFFECT OF ZENER CURRENT VZ, ZENER VOLTAGE (VOLTS) VZ, ZENER VOLTAGE (VOLTS) b-RANGE FOR UNITS 12 TO 100 VOLTS V@ ZZ I T RANGE 10 20 30 50 70 100 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 V@ I T25 C ZZT A o 20mA 0.01mA 1.0mA NOTE: BELOW 3 VOLTS AND ABOVE a VOLTS CHANGES IN ZENER CURRENT OO NOT AFFECT TEMPERATURE COEFFICIENTS 3.0 4.0 5.0 6.0 7.0 8.0 -4.0 -2.0 0 +2.0 +4.0 +6.0 FIG.9- 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 0.01 0.02 0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100 200 500 1000 2.0 3.0 5.0 7.0 10 20 30 50 70 100 The cruve graph is for reference only |
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