DATA SHEET www.onsemi.com Zener Diodes 1N4728A - 1N4758A ABSOLUTE MAXIMUM RATINGS (Note 1) T = 25C unless otherwise noted a AXIAL LEAD Symbol Parameter Value Unit CASE 017AH P Power Dissipation 1.0 W D TL 50C, Lead Length = 3/8 MARKING DIAGRAM Derate above 50C 6.67 mW/C T , T Operating and Storage Temperature 65 to +200 C Y J STG Range 47 36 Stresses exceeding those listed in the Maximum Ratings table may damage the A device. If any of these limits are exceeded, device functionality should not be XY assumed, damage may occur and reliability may be affected. 1. These ratings are limiting values above which the serviceability of the diode Y = Logo may be impaired. 4736A = Specific Device Code XY = Date Code ORDERING INFORMATION See detailed ordering and shipping information on page 3 of this data sheet. Semiconductor Components Industries, LLC, 2009 1 Publication Order Number: August, 2021 Rev. 10 1N4736AT/D1N4728A 1N4758A ELECTRICAL CHARACTERISTICS T = 25C unless otherwise noted a NonRepetitive V (V) I (Note 2) Max. Zener Impedance Leakage Current Z Z Peak Reverse Test Current Current Z I Z Z Z ZK Min. Typ. Max. ( ) I ( ) I (mA) I ( A) V (V) I (mA) (Note 3) Device I (mA) ZK ZK R R ZSM Z 1N4728A 3.135 3.3 3.465 76 10 400 1 100 1 1380 1N4732A 4.465 4.7 4.935 53 8 500 1 10 1 970 1N4733A 4.845 5.1 5.355 49 7 550 1 10 1 890 1N4734A 5.32 5.6 5.88 45 5 600 1 10 2 810 1N4735A 5.89 6.2 6.51 41 2 700 1 10 3 730 1N4736A 6.46 6.8 7.14 37 3.5 700 1 10 4 660 1N4737A 7.125 7.5 7.875 34 4 700 0.5 10 5 605 1N4738A 7.79 8.2 8.61 31 4.5 700 0.5 10 6 550 1N4739A 8.645 9.1 9.555 28 5 700 0.5 10 7 500 1N4740A 9.5 10 10.5 25 7 700 0.25 10 7.6 454 1N4741A 10.45 11 11.55 23 8 700 0.25 5 8.4 414 1N4742A 11.4 12 12.6 21 9 700 0.25 5 9.1 380 1N4743A 12.35 13 13.65 19 10 700 0.25 5 9.9 344 1N4744A 14.25 15 15.75 17 14 700 0.25 5 11.4 304 1N4745A 15.2 16 16.8 15.5 16 700 0.25 5 12.2 285 1N4746A 17.1 18 18.9 14 20 750 0.25 5 13.7 250 1N4747A 19 20 21 12.5 22 750 0.25 5 15.2 225 1N4748A 20.9 22 23.1 11.5 23 750 0.25 5 16.7 205 1N4749A 22.8 24 25.2 10.5 25 750 0.25 5 18.2 190 1N4750A 25.65 27 28.35 9.5 35 750 0.25 5 20.6 170 1N4751A 28.5 30 31.5 8.5 40 1000 0.25 5 22.8 150 1N4752A 31.35 33 34.65 7.5 45 1000 0.25 5 25.1 135 1N4753A 34.2 36 37.8 7 50 1000 0.25 5 27.4 125 1N4754A 37.05 39 40.95 6.5 60 1000 0.25 5 29.7 115 1N4755A 40.85 43 45.15 6 70 1500 0.25 5 32.7 110 1N4756A 44.65 47 49.35 5.5 80 1500 0.25 5 35.8 95 1N4757A 48.45 51 53.55 5 95 1500 0.25 5 38.8 90 1N4758A 53.2 56 58.8 4.5 110 2000 0.25 5 42.6 80 Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. NOTES: 2. Zener Voltage (V ). Z The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (T ) at 30C 1C and 3/8 lead L length. 3. 2 Square wave Reverse Surge at 8.3 ms soak time. www.onsemi.com 2