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| 1N4727...1N4764 SILICON PLANAR POWER ZENER DIODES for use in stabilizing and clipping circuits with high power rating. Standard zener voltage tolerance is 10%. Add suffix "A" for 5% tolerance and suffix "B" for 2% tolerance. Other tolerances are available upon request. Max. 2.8 Black Cathode Band Black Part No. Max. 0.7 Min. 25.4 XXX Max. 4.2 Min. 25.4 Glass Case DO-41 Dimensions in mm Absolute Maximum Ratings (Ta = 25 OC) Parameter Power Dissipation Junction Temperature Storage Temperature Range 1) Symbol Ptot Tj TS Value 1 1) Unit W O 200 - 65 to + 200 C C O Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature. Characteristics at Ta = 25 OC Parameter Thermal Resistance Junction to Ambient Air Forward Voltage at IF = 200 mA 1) Symbol RthA VF Max. 170 1) Unit K/W V 1.2 Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature. 1N4727...1N4764 Zener Voltage Range 3), 5) VZnom lZT V mA Maximum Zener Impedance 1) rZJT rZJK at IZK mA Maximum Reverse Leakage Current IR at VR A V Maximum Surge Current 4) at Ta = 25 OC IZSM (mA) Maximum Regulator Current 2) IZM (mA) Type 1N4727 3 83 10 400 1 150 1 1375 275 1N4728 3.3 76 10 400 1 150 1 1375 275 1N4729 3.6 69 10 400 1 100 1 1260 252 1N4730 3.9 64 9 400 1 100 1 1190 234 1N4731 4.3 58 9 400 1 50 1 1070 217 1N4732 4.7 53 8 500 1 10 1 970 193 1N4733 5.1 49 7 550 1 10 1 890 178 1N4734 5.6 45 5 600 1 10 2 810 162 1N4735 6.2 41 2 700 1 10 3 730 146 1N4736 6.8 37 3.5 700 1 10 4 660 133 1N4737 7.5 34 4 700 0.5 10 5 605 121 1N4738 8.2 31 4.5 700 0.5 10 6 550 110 1N4739 9.1 28 5 700 0.5 10 7 500 100 1N4740 10 25 7 700 0.25 10 7.6 454 91 1N4741 11 23 8 700 0.25 5 8.4 414 83 1N4742 12 21 9 700 0.25 5 9.1 380 76 1N4743 13 19 10 700 0.25 5 9.9 344 69 1N4744 15 17 14 700 0.25 5 11.4 304 61 1N4745 16 15.5 16 700 0.25 5 12.2 285 57 1N4746 18 14 20 750 0.25 5 13.7 250 50 1N4747 20 12.5 22 750 0.25 5 15.2 225 45 1N4748 22 11.5 23 750 0.25 5 16.7 205 41 1N4749 24 10.5 25 750 0.25 5 18.2 190 38 1N4750 27 9.5 35 750 0.25 5 20.6 170 34 1N4751 30 8.5 40 1000 0.25 5 22.8 150 30 1N4752 33 7.5 45 1000 0.25 5 25.1 135 27 1N4753 36 7 50 1000 0.25 5 27.4 125 25 1N4754 39 6.5 60 1000 0.25 5 29.7 115 23 1N4755 43 6 70 1500 0.25 5 32.7 110 22 1N4756 47 5.5 80 1500 0.25 5 35.8 95 19 1N4757 51 5 95 1500 0.25 5 38.8 90 18 1N4758 56 4.5 110 2000 0.25 5 42.6 80 16 1N4759 62 4 125 2000 0.25 5 47.1 70 14 1N4760 68 3.7 150 2000 0.25 5 51.7 65 13 1N4761 75 3.3 175 2000 0.25 5 56 60 12 1N4762 82 3 200 3000 0.25 5 62.2 55 11 1N4763 91 2.8 250 3000 0.25 5 69.2 50 10 1N4764 100 2.5 350 3000 0.25 5 76 45 9 1) The Zener Impedance is derived from the 60 Hz AC voltage which results when an AC current having an RMS value equal to 10% of the Zener Current (IZT or IZK) is superimposed on IZT or IZK. Zener Impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. 2) Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature. 3) Measured under thermal equilibrium and DC test conditions. 4) The rating listed in the electrical characteristics table is maximum peak, non-repetitive, reverse surge current of 1/2 square wave or equivalent sine wave pulse of 1/120 second duration superimposed on the test current IZT. 5) Tested with pulses tp = 20 ms. Iz Iz mA 50 30 20 40 mA 100 10 50 60 70 30 80 90 20 40 10 0 0 0 1 IN4742 IN4745 IN4743 IN4744 1N4727...1N4764 Tj=constant(pulsed) Breakdowm characteristics 0 2 IN4746 IN4747 IN4748 IN4749 10 3 IN4750 IN4751 IN4752 IN4727 IN4728 IN4730 IN47 29 20 4 IN4753 IN4754 IN4755 IN4756 IN4731 IN4732 30 5 IN4757 IN4758 40 6 IN4759 50 Vz IN4760 IN4733 IN4734 60 IN4735 IN4736 Vz 7 IN4761 70 IN4762 IN4763 IN4764 IN4737 8 80 Tj=25 oC IN... IN4738 IN4739 9 90 IN4740 10 100 IN4741 11 110 Tj=25 oC IN... 12 120 1N4727...1N4764 1.0 250 Pd. Total Power Dissipation (W) 0.8 0.6 Thermal Resistance Junction to Ambient (C/W) R JA 200 150 0.4 100 0.2 50 0 0 0 100 200 0 5 10 15 20 25 30 TA, Ambient Temperature Fig. 1 Power Dissipation vs Ambient Temperature I, Lead Length (mm) Fig. 2 Typical Thermal Resistance vs. Lead Length 1000 f=1MHz TA=25C 1000 Differential Zener Impedance ( ) Cj, Diode Capacitance (pF) Iz=1mA 2mA 5mA 10mA 20mA 1 100 VR=0V VR=2V VR=5V VR=20V VR=30V 100 10 10 1 0 10 20 30 40 50 60 1 10 100 Vz, Zener Voltage (V) Fig. 3 Junction Capacitance vs Zener Voltage Vz, Zener Voltage (V) Fig. 4 Typical Zener Impedance vs. Zener Voltage |
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