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SMBJ4744A Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers |
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SMBJ4744A Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers |
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2 / 3 page  SMBJ4728 thru SMBJ4751A Document Number: SMBJ4728 thru SMBJ4751A www.smsemi.com Feb.29, 2012 2 Electrical Characteristics @ 25°C (Unless Otherwise Noted) TABLE1 Note: 1. The JEDEC type numbers shown with an A suffix have a 5% tolerance on nominal zener voltage. No suffix signifies a 10% tolerance, C signifies 2%, and D signifies 1% tolerance. 2. 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 dc 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 eliminate unstable units. 3. The reverse surge current is measured at 25°C ambient using a square wave or equivalent half-sine wave pulse 1/120 second duration superimposed on IZT. 4. Zener voltage (VZ) is measured at TL=25°C (+8,-2°C) and 90seconds after application of dc current. JEDEC Type Number (Note1) Zener Voltage VZ @ IZT (Note4) Test Current Maximum Dynamic Impedance ZZT @ IZT (Note2) Maximum Knee Impedance ZZk @ IZk (Note2) Knee Current Maximum Reverse Current IR @ VR Maximum Regulator Current TA= 50°C Maximum Surge Current (Note3) VZ (V) IZT (mA) ZZT (OHMS) ZZK (OHMS) IZK (mA) IR (µA) VR (V) IZM (mA) Izsm (mA) SMBJ4728A SMBJ4729A SMBJ4730A SMBJ4731A 3.3 3.6 3.9 4.3 76.0 69.0 64.0 58.0 10.0 10.0 9.0 9.0 400 400 400 400 1.00 1.00 1.00 1.00 100 100 50 10 1.0 1.0 1.0 1.0 276 252 234 217 1380 1260 1190 1070 SMBJ4732A SMBJ4733A SMBJ4734A SMBJ4735A 4.7 5.1 5.6 6.2 53.0 49.0 45.0 41.0 8.0 7.0 5.0 2.0 500 550 600 700 1.00 1.00 1.00 1.00 10 10 10 10 1.0 1.0 2.0 3.0 193 178 162 146 970 890 810 730 SMBJ4736A SMBJ4737A SMBJ4738A SMBJ4739A 6.8 7.5 8.2 9.1 37.0 34.0 31.0 28.0 3.5 4.0 4.5 5.0 700 700 700 700 1.00 0.50 0.50 0.50 10 10 10 10 4.0 5.0 6.0 7.0 133 121 110 100 660 605 550 500 SMBJ4740A SMBJ4741A SMBJ4742A SMBJ4743A 10.0 11.0 12.0 13.0 25.0 23.0 21.0 19.0 7.0 8.0 9.0 10.0 700 700 700 700 0.25 0.25 0.25 0.25 10 5 5 5 7.6 8.4 9.1 9.9 91 83 76 69 454 414 380 344 SMBJ4744A SMBJ4745A SMBJ4746A SMBJ4747A 15.0 16.0 18.0 20.0 17.0 15.5 14.0 12.5 14.0 16.0 20.0 22.0 700 700 750 750 0.25 0.25 0.25 0.25 5 5 5 5 11.4 12.2 13.7 15.2 61 57 50 45 304 285 250 225 SMBJ4748A SMBJ4749A SMBJ4750A SMBJ4751A 22.0 24.0 27.0 30.0 11.5 10.5 9.5 8.5 23.0 25.0 35.0 40.0 750 750 750 1000 0.25 0.25 0.25 0.25 5 5 5 5 16.7 18.2 20.6 22.8 41 38 34 30 205 190 170 150 打印无效 |
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