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| 1N4728A - 1N4764A 1.0W ZENER DIODE Features * * * 1.0 Watt Power Dissipation 3.3V - 100V Nominal Zener Voltage Standard VZ Tolerance is 5% A B A C Mechanical Data * * * * * Case: DO-41, Glass Terminals: Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Marking: Type Number Approx. Weight: 0.35 grams Dim A B C D Min 25.40 -- -- -- D DO-41 Glass Max -- 4.70 0.863 2.71 All Dimensions in mm Maximum Ratings @ TA = 25C unless otherwise specified Symbol IZ (Note 1) Pd RqJA VF Tj, TSTG Value Pd / VZ 1.0 6.67 175 1.2 -65 to + 200 Unit mA W mW/C C/W V C Characteristic Zener Current (see Table page 2) Power Dissipation Derate Above 50C Thermal Resistance - Junction to Ambient Air Forward Voltage @ IF = 200 mA Operating and Storage Temperature Range Note: 1. Valid provided that leads are kept at TL @ 50C with lead length = 9.5mm (3/8") from case. DS18007 Rev. 13 - 2 1 of 3 www.diodes.com 1N4728A-1N4764A Electrical Characteristics Nominal Zener Voltage (Note 2) VZ @ IZT (V) 1N4728A 1N4729A 1N4730A 1N4731A 1N4732A 1N4733A 1N4734A 1N4735A 1N4736A 1N4737A 1N4738A 1N4739A 1N4740A 1N4741A 1N4742A 1N4743A 1N4744A 1N4745A 1N4746A 1N4747A 1N4748A 1N4749A 1N4750A 1N4751A 1N4752A 1N4753A 1N4754A 1N4755A 1N4756A 1N4757A 1N4758A 1N4759A 1N4760A 1N4761A 1N4762A 1N4763A 1N4764A 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 100 @ TA = 25C unless otherwise specified Max Surge Current 8.3ms IZS (mA) 1380 1260 1190 1070 970 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 110 95 90 80 70 65 60 55 50 45 Type Number Test Current IZT (mA) 76 69 64 58 53 49 45 41 37 34 31 28 25 23 21 19 17 15.5 14 12.5 11.5 10.5 9.5 8.5 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.7 3.3 3.0 2.8 2.5 Maximum Zener Impedance (Note 3) ZZT @ IZT (W) 10 10 9.0 9.0 8.0 7.0 5.0 2.0 3.5 4.0 4.5 5.0 7.0 8.0 9.0 10 14 16 20 22 23 25 35 40 45 50 60 70 80 95 110 125 150 175 200 250 350 ZZK @ IZK (W) 400 400 400 400 500 550 600 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 IZK (mA) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.5 0.5 0.5 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Maximum Reverse Leakage Current IR (A) 100 100 50 10 10 10 10 10 10 10 10 10 10 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 @ VR (V) 1.0 1.0 1.0 1.0 1.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 7.6 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 38.8 42.6 47.1 51.7 56.0 62.2 69.2 76.0 Temperature Coefficient @ IZT %/C -0.08 to -0.05 -0.08 to -0.05 -0.07 to -0.02 -0.07 to -0.01 -0.03 to +0.04 -0.01 to +0.04 0 to +0.045 +0.01 to +0.055 +0.015 to +0.06 +0.02 to +0.065 0.03 to 0.07 0.035 to 0.075 0.04 to 0.08 0.045 to 0.08 0.045 to 0.085 0.05 to 0.085 0.055 to 0.09 0.055 to 0.09 0.06 to 0.09 0.06 to 0.09 0.06 to 0.095 0.06 to 0.095 0.06 to 0.095 0.06 to 0.095 0.06 to 0.095 0.06 to 0.095 0.06 to 0.095 0.06 to 0.095 0.06 to 0.095 0.06 to 0.095 0.06 to 0.095 0.06 to 0.095 0.06 to 0.095 0.06 to 0.095 3/4 3/4 3/4 Notes: 2. Measured under thermal equilibrium and dc (IZT) test conditions. 3. 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. DS18007 Rev. 13 - 2 2 of 3 www.diodes.com 1N4728A-1N4764A 1.0 Pd, TOTAL POWER DISSIPATION (W) 250 0.8 200 0.6 150 0.4 100 0.2 50 0 0 40 80 120 160 200 0 0 30 15 25 20 10 l, Lead Length (mm) Fig. 2 Typical Thermal Resistance vs. Lead Length 5 TA, AMBIENT TEMPERATURE Fig.1 Power Dissipation vs Ambient Temperature 1000 f = 1MHz TA = 25C 1000 IZ = 1mA Cj, DIODE CAPACITANCE (pF) 2mA 100 VR = 0V VR = 2V VR = 5V VR = 20V 100 5mA 10mA 20mA 10 VR = 30V 10 1 0 10 20 30 40 50 60 VZ, ZENER VOLTAGE (V) Fig.3, Junction Capacitance vs Zener Voltage 1 1 10 100 VZ, ZENER VOLTAGE (V) Fig. 4 Typical Zener Impedance vs. Zener Voltage DS18007 Rev. 13 - 2 3 of 3 www.diodes.com 1N4728A-1N4764A |
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