1N4728...4764 Series Data Sheet 1 Watt ZENER DIODES (3.3V to 100V) Description Mechanical Dimensions JEDEC D0-41 .205 .160 1.00 Min. .080 .107 DO-41 .031 typ. Dimensions in inch Features ¬ For surface mounted applications ¬ 1.0 W power dissipation ¬ Ideally suited for automated assembly processes Mechanical Data ¬ Case: Molded plastic DO-41 ¬ Epoxy: UL 94V-0 rate flame retardant ¬ Terminals: Solderable per MIL-STD-202 method 208 ¬ Polarity: cathode band ¬ Mounting position: Any ¬ Weight: 0.34 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25oC ambient temperature unless otherwise specified. SYMBOL VALUE UNIT Maximum Forward Voltage Drop at IF=10mA VF 1.2 V Power Dissipation (Note 1) PD 1.0 W RthJA 170 C/W TJ -55 to +150 Thermal Resistane Junction to Ambient Air Operating junction and Storage Temperature Range 2 NOTES : (1) Mounted on 5.0mm (.013mm thick) land areas. (2) Measurd on 8.3ms, single half-sine wave or equivalent square wave, duty cycle = 4 pulses per minute maximum. o o C 1 Watt ZENER DIODES (3.3V to 100V) Data Sheet Part No. Electrical Characteristics ( Ta=25oC) Vz (V) IzT ( mA ) ZZT (Ohm) ZZK (Ohm) IZK ( mA ) IR Max. @VR VR(V) (uA) Surge Current ( mA ) 1N4728 3.3 76 10 400 1.0 100 1.0 1380 1N4729 3.6 69 10 400 1.0 100 1.0 1260 1N4730 3.9 64 9 400 1.0 50 1.0 1190 1N4731 4.3 58 9 400 1.0 10 1.0 1070 1N4732 4.7 53 8 500 1.0 10 1.0 970 1N4733 5.1 49 7 550 1.0 10 1.0 890 1N4734 5.6 45 5 600 1.0 10 2.0 810 1N4735 6.2 41 2 700 1.0 10 3.0 730 1N4736 6.8 37 4 700 1.0 10 4.0 660 1N4737 7.5 34 4 700 0.5 10 5.0 605 1N4738 8.2 31 5 700 0.5 10 6.0 550 1N4739 9.1 28 5 700 0.5 10 7.0 500 1N4740 10 25 7 700 0.5 10 7.6 454 1N4741 11 23 8 700 0.5 5 8.4 414 1N4742 12 21 9 700 0.5 5 9.1 380 1N4743 13 19 10 700 0.5 5 9.9 344 1N4744 15 17 14 700 0.5 5 11.4 304 1N4745 16 15.5 16 700 0.25 5 12.2 285 1N4746 18 14.0 20 750 0.25 5 13.7 250 1N4747 20 12.5 22 750 0.25 5 15.2 225 1N4748 22 11.5 23 750 0.25 5 16.7 205 1N4749 24 10.5 25 750 0.25 5 18.2 190 1N4750 27 9.5 35 750 0.25 5 20.6 170 1N4751 30 8.5 40 1000 0.25 5 22.8 150 1N4752 33 7.5 45 1000 0.25 5 25.1 135 1N4753 36 7.0 50 1000 0.25 5 27.4 125 1N4754 39 6.5 60 1000 0.25 5 29.7 115 1N4755 43 6.0 70 1500 0.25 5 32.7 110 1N4756 47 5.5 80 1500 0.25 5 35.8 95 1N4757 51 5.0 95 1500 0.25 5 38.8 90 1N4758 56 4.5 110 2000 0.25 5 42.6 80 1N4759 62 4.0 125 2000 0.25 5 47.1 70 1N4760 68 3.7 150 2000 0.25 5 51.7 65 1N4761 75 3.3 175 2000 0.25 5 56.0 60 1N4762 82 3.0 200 3000 0.25 5 62.2 55 1N4763 91 2.8 250 3000 0.25 5 69.2 50 1N4764 100 2.5 350 3000 0.25 5 76.0 45 Tolerance on Zener Voltage no suffix----10%, suffix A---5%(example 1N4728A=3.3+/-5%)