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CZRA4756 Datasheet(PDF) 3 Page - Comchip Technology |
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CZRA4756 Datasheet(HTML) 3 Page - Comchip Technology |
3 / 4 page SURFACE MOUNT ZENER DIODE SURFACE MOUNT ZENER DIODE MDS0208021B Page3 RATING AND CHARACTERISTICS CURVES CZRA4740 THRU CZRA4764 1.25 1.0 0.75 0.50 0.25 0 0 20 40 60 80 100 120 140 160 180 200 L = LEAD LENTGH TO HEAT SINK TL, LEAD TEMPERATURE Fig. 1-POWER TEMPERATURE DERATING CURVE RANGE +12 +10 +8.0 +6.0 +4.0 +2.0 0 -2.0 -4.0 234 5 6789 10 11 12 VZ @ IZT VZ, ZENER VOLTAGE (VOLTS) 100 70 50 30 20 10 7.0 5.0 3.0 2.0 1.0 10 20 30 50 70 100 RANGE V Z @ IZT VZ, ZENER VOLTAGE (VOLTS) Fig. 2-TEMPERATURE COEFFICIENTS (-55°C TO +150°C TEMPERATURE RANGE; 90% OF THE UNITS ARE IN THE RANGES INDICATED.) 175 150 125 100 75 50 25 0 0 .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 L, LEAD LENGTH TO HEAT SINK (INCKES) 20mA +6.0 +4.0 +2.0 0 -2.0 -4.0 34 567 8 VZ @ IZT TA = 25°C 1.0mA 0.01mA NOTE:BELOW 3 VOLTS AND ABOVE 8 CHANGES IN ZENER CURRENT DO AFFECT TEMPERATURE VZ, ZENER VOLTAGE (VOLTS) Fig.3-TYPICAL THERMAL RESISTANCE VERSUS LEAD LENGTH Fig. 4-EFFECT OF ZENER CURRENT SMD DIODE SPECIALIST COMCHIP Comchip Technology Corporation • Tel: 510-657-8671 • Fax: 510-657-8921 • www.comchiptech.com |
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