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| RECTRON SEMICONDUCTOR TECHNICAL SPECIFICATION 1N4728A THRU 1N4757A 1W 5% DO-41 ZENER DIODE Absolute Maximun Ratings (Ta=25oC) Items Power Dissipation Power Derating (above 50 oC) Forward Voltage @If = 200 mA Vz Tolerence Junction Temp. Storage Temp. Symbol PTOT Ratings 1.0 6.67 Vf 1.5 5 -65 to 175 -65 to 175 Unit W mW/oC V % C o C o Dimensions DO-41 27.9 MIN 0.71 0.87 DIA. TJ TSTG 4.06 5.51 Mechanical Data Items P a cka g e C a se Lead/Fi ni sh C hi p Materi als D O-41 Hermeti cally sealed glass D ouble stud/Solder Plati ng Glass Passi vated 2.03 2.72 DIA. 27.9 MIN Dimensions in millimeters Electrical Characteristics (Ta=25oC) ZENER VOLTAGE TYPE Vz(V) 1N4728A 1N4729A 1N4730A 1N4731A 1N4732A 1N4733A 1N4734A 1N4735A 1N4736A 1N4737A 1N4738A 1N4739A 1N4740A 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 @Izt(mA) 76 69 64 58 53 49 45 41 37 34 31 28 25 Rz (ohms) 10.0 10.0 9.0 9.0 8.0 7.0 5.0 2.0 3.5 4.0 4.5 5.0 7.0 @Izt(mA) Rz (ohms) 76 69 64 58 53 49 45 41 37 34 31 28 25 400 400 400 400 500 550 600 700 700 700 700 700 700 @Izt(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 MAX ZENER IMPEDANCE MAX ZENER IMPEDANCE MAXIMUM REVERSE CURRENT TEMP. COEFF. dvz @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 IR (uA) 100 100 50 10 10 10 10 10 10 10 10 10 10 (%/ oC) -0.06 -0.06 -0.05 -0.03 -0.01 0.01 0.03 0.04 0.05 0.05 0.06 0.06 0.07 Electrical Characteristics (Ta=25oC) ZENER VOLTAGE TYPE Vz(V) 1N4741A 1N4742A 1N4743A 1N4744A 1N4745A 1N4746A 1N4747A 1N4748A 1N4749A 1N4750A 1N4751A 1N4752A 1N4753A 1N4754A 1N4755A 1N4756A 1N4757A Notes: 1. Rectangular waveform (tp= 10 ms) MAX ZENER IMPEDANCE MAX ZENER IMPEDANCE Izt = 0.25mA MAXIMUM REVERSE CURRENT TEMP. COEFF. dvz @Izt(mA) 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 Rz (ohms) @Izt(mA) 8 9 10 14 16 20 22 23 25 35 40 45 50 60 70 80 95 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 Rz (ohms) 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 @VR (V) 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.6 25.1 27.4 29.7 32.7 35.8 38.8 IR (uA) 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 (%/ oC) 0.07 0.07 0.07 0.08 0.08 0.08 0.08 0.08 0.08 0.09 0.09 0.09 0.09 0.09 0.09 0.09 0.09 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 |
Price & Availability of 1N4745A
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