1N4728A

ZENER DIODES 1N47-SERIES RoHS Compliant Product A suffix of "-C" specifies halogen-free 1W , ± 5% Device Type Nominal Zener Voltage Vz at Izt* Volts 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10.0 11.0 12.0 13.0 15.0 16.0 18.0 20.0 22.0 24.0 27.0 30.0 33.0 36.0 39.0 43.0 47.0 51.0 56.0 62.0 68.0 75.0 82.0 91.0 100.0 Test Current IzT Maximum Zener Impedance ZzT at IzT Zzk at Izk IzK mA 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.50 0.50 0.50 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 µA 100 100 50 10 10 10 10 10 10 10 10 10 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Surge Maximum Current Regulator IR Current IzM Test- Voltage at Ta=25oC suffix B Volts 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 mA 1380 1260 1170 1085 965 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 110 95 90 80 70 65 60 55 50 45 mA 276 252 234 217 193 178 162 146 133 121 110 100 91 83 76 69 61 57 50 45 41 38 34 30 27 25 23 22 19 18 16 14 13 12 11 10 9 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 mA 76.0 69.0 64.0 58.0 53.0 49.0 45.0 41.0 37.0 34.0 31.0 28.0 25.0 23.0 21.0 19.0 17.0 15.5 14.0 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 10 10 9 9 8 7 5 2 3.5 4 4.5 5 7 8 9 10 14 16 20 22 23 25 35 40 45 50 60 70 80 95 110 125 150 175 200 250 350 400 400 400 400 500 550 600 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 STANDARD VOLTAGE TOLERANCE IS ±10% AND : SUFFIX "A" FOR ±5% OTHER TOLERANCES UPON REQUEST. ZENER DIODE NUMBERING SYSTEM : 1N4731 A 1* 2* 1* TYPE NO. 2* TOLERANCE OF VZ 3* e.g., 1N4731A=4.3V±5% * Measured with pulses tp = 40m SEC. 01-Jun-2002 Rev. A Page 1 of 2 ZENER DIODES 1N47-SERIES Absolute Maximum Ratings Symbol Value Unit Zener Current see Table "Characteristics" Ptot 1* mW Power Dissipation at Tamb=25oC o Junction Temperature Tj 200 C o Operating Temperature Range -50 to +150 C o Storage Temperature Range Ts -65 to +175 C *Valid provided that leads at a distance of 10mm from case are kept aat ambient temperature Cases:DO-41 Molded Glass Characteristic at Tamb=25oC Symbol Min. Typ. Max. Unit Thermal Resistance RthA 170* K/mW Junction to Ambient Air Forward Voltage VF V 1.2 at IF=200mA *Valid provided that leads at a distance of 10mm from case are kept at ambient temperature Breakdown Characteristics 1N47-SERIES mA 100 5 10 15 20 25 30 V Iz 80 60 40 20 0 Changes in the power dissipation due to the ambient temperature 1000 1N4728 1N4732 1N4731 1N4733 1N4735 1N4739 1N4729... ± 0.1 1N4741 1N4742 1N4744 1N4747 1N4748 1N4749 1N4750 Vz DO-41 Ø 2.6 pd(mW) Power dissipation 800 ±0.5 400 200 0 62.5 100 200 O Ø 0.8 Ta( C) Ambient Temperature Dimensions in mm 01-Jun-2002 Rev. A Page 2 of 2 5.1 ±0.1 ± 0.05 600