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1N4744A Dataheets PDF



Part Number 1N4744A
Manufacturers Comchip Technology
Logo Comchip Technology
Description 1.0W Zener Diode
Datasheet 1N4744A Datasheet1N4744A Datasheet (PDF)

1.0W Zener Diode COMCHIP www.comchiptech.com 1N4728A thru 1N4764A Nominal Zener Voltage: 3.3 to 100V Power Dissipation: 1.0W Features - 1.0 Watt Power Dissipation - 3.3V - 100V Nominal Zener Voltage - Standard VZ Tolerance is 5% DO-41 Glass 1.0 (25.4) Min. 0.107 (2.71) Max. Mechanical Data - Case: DO-41, Glass - Terminals: Solderable per MIL-STD-202, Method 208 - Polarity: Cathode Band - Approx. Weight: 0.35 grams 0.185 (4.7) Max. 1.0 (25.4) Min. 0.034 (0.863) Max. Dimensions in inches .

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1.0W Zener Diode COMCHIP www.comchiptech.com 1N4728A thru 1N4764A Nominal Zener Voltage: 3.3 to 100V Power Dissipation: 1.0W Features - 1.0 Watt Power Dissipation - 3.3V - 100V Nominal Zener Voltage - Standard VZ Tolerance is 5% DO-41 Glass 1.0 (25.4) Min. 0.107 (2.71) Max. Mechanical Data - Case: DO-41, Glass - Terminals: Solderable per MIL-STD-202, Method 208 - Polarity: Cathode Band - Approx. Weight: 0.35 grams 0.185 (4.7) Max. 1.0 (25.4) Min. 0.034 (0.863) Max. Dimensions in inches and (millimeters) Maximum Ratings @ TA = 25°C 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 50°C 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 @ 50°C with lead length = 9.5mm (3/8”) from case. MDS0312003A Page 1 1.0W Zener Diode 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 = 25°C unless otherwise specified COMCHIP www.comchiptech.com 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 (µA) 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 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 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 t.


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