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1SMA4751A Dataheets PDF



Part Number 1SMA4751A
Manufacturers Won-Top
Logo Won-Top
Description 1.0W SURFACE MOUNT ZENER DIODE
Datasheet 1SMA4751A Datasheet1SMA4751A Datasheet (PDF)

® WON-TOP ELECTRONICS Features  Glass Passivated Die Construction  1.0W Power Dissipation  3.3V – 330V Nominal Zener Voltage  5% Standard Vz Tolerance  Low Inductance  For Use in Voltage Regulator or Reference  Plastic Case Material has UL Flammability Classification Rating 94V-0 A C Mechanical Data  Case: SMA/DO-214AC, Molded Plastic  Terminals: Solder Plated, Solderable per MIL-STD-750, Method 2026  Polarity: Cathode Band  Marking: Device Code  Weight: 0.064 grams (approx.)  L.

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® WON-TOP ELECTRONICS Features  Glass Passivated Die Construction  1.0W Power Dissipation  3.3V – 330V Nominal Zener Voltage  5% Standard Vz Tolerance  Low Inductance  For Use in Voltage Regulator or Reference  Plastic Case Material has UL Flammability Classification Rating 94V-0 A C Mechanical Data  Case: SMA/DO-214AC, Molded Plastic  Terminals: Solder Plated, Solderable per MIL-STD-750, Method 2026  Polarity: Cathode Band  Marking: Device Code  Weight: 0.064 grams (approx.)  Lead Free: For RoHS / Lead Free Version, Add “-LF” Suffix to Part Number, See Page 5 1SMA4728A – SZ1330A 1.0W SURFACE MOUNT ZENER DIODE Pb B F H G E SMA/DO-214AC Dim Min Max A 2.29 2.92 B 4.00 4.60 C 1.27 1.90 D 0.152 0.305 E 4.80 5.30 F 2.00 2.44 G 0.051 0.203 H 0.76 1.52 All Dimensions in mm D Maximum Ratings @TA=25°C unless otherwise specified Characteristic Power Dissipation at TL = 75°C (Note 1) Forward Voltage @ IF = 200mA Thermal Resistance, Junction to Ambient (Note 2) Thermal Resistance, Junction to Lead (Note 2) Operating and Storage Temperature Range Symbol PD VF R JA R JL TJ, TSTG Value 1.0 1.2 125 30 -65 to +150 Note: 1. Mounted on FR-4 PCB with 8.0 x 8.0 x 2.0mm copper pads. 2. Mounted on 25.4 x 21.6 x 1.6mm ceramic substrate with minimum recommended pad layout. Unit W V °C/W °C © Won-Top Electronics Co., Ltd. Revision: September, 2012 www.wontop.com 1 1SMA4728A – SZ1330A 1.0 PD, POWER DISSIPATION (W) 0.8 0.6 Mounted on FR-4 PCB with 8.0 x 8.0 x 2.0mm Copper Pads 0.4 0.2 ZZ, DYMANIC IMPEDANCE (Ω) 0 0 10000 1000 100 10 25 50 75 100 125 TL, LEAD TEMPERATURE (°C) Fig. 1 Power Derating Curve 150 TJ = 25°C IZ(RMS) = 0.1 IZ(DC) VZ = 200V VZ = 180V VZ = 150V VZ = 91V VZ = 56V VZ = 30V VZ = 6.2V 1 0.5 1 10 100 500 IZT, ZENER TEST CURRENT (mA) Fig. 3 Dynamic Resistance vs. Zener Current 10 1 IF, INSTANTANEOUS FORWARD CURRENT (A) 0.1 TJ = 25°C Pulse Width = 300µs 1% Duty Cycle 0.01 0.6 0.8 1.0 1.2 1.4 1.6 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 5 Typical Forward Characteristics www.wontop.com 2 CJ, JUNCTION CAPACITANCE (pF) ZZ, DYMANIC IMPEDANCE (Ω) θVZ, TEMPERATURE COEFFICIENT (mV/°C) ® 500 WON-TOP ELECTRONICS 450 400 350 300 250 VZ @ IZT 200 150 100 50 0 0 1000 50 100 150 200 250 VZ, ZENER VOLTAGE (V) Fig. 2 Typical Temperature Coefficients 300 TJ = 25°C 100 IZT = 5.0mA IZT = 10mA IZT = 20mA 10 IZT = 100mA 1 0.1 1 10 100 1000 VZ, ZENER VOLTAGE (V) Fig. 3 Dynamic Resistance vs. Zener Voltage 1000 50% VZ Bias Zero Bias 100 TJ = 25°C f = 1MHz 10 1 10 100 VZ, NOMINAL ZENER VOLTAGE (V) Fig. 6 Junction Capacitance vs. Nominal Zener Voltage © Won-Top Electronics Co., Ltd. Revision: September, 2012 ® WON-TOP ELECTRONICS 1SMA4728A – SZ1330A Electrical Characteristics (@TA=25°C unless otherwise specified) Table 1 Type Number Device Marking Nominal Zener Voltage (Note 2) Test Current Maximum Zener Impedance (Note 3) Maximum Leakage Current (Note 1) Code VZ @ IZT IZT ZZT @ IZT ZZK @ IZK IZK IR @ VR 1SMA4728A 1SMA4729A 1SMA4730A 1SMA4731A 1SMA4732A 1SMA4733A 1SMA4734A 1SMA4735A 1SMA4736A 1SMA4737A 1SMA4738A 1SMA4739A 1SMA4740A 1SMA4741A 1SMA4742A 1SMA4743A 1SMA4744A 1SMA4745A 1SMA4746A 1SMA4747A 1SMA4748A 1SMA4749A 1SMA4750A 1SMA4751A 1SMA4752A 1SMA4753A 1SMA4754A 1SMA4755A 1SMA4756A 1SMA4757A 1SMA4758A 1SMA4759A 1SMA4760A 1SMA4761A 1SMA4762A 1SMA4763A 1SMA4764A SZ1110A SZ1120A SZ1130A SZ1150A SZ1160A SZ1180A SZ1200A SZ1220A SZ1240A SZ1250A SZ1270A SZ1300A SZ1330A 28A 29A 30A 31A 32A 33A 34A 35A 36A 37A 38A 39A 40A 41A 42A 43A 44A 45A 46A 47A 48A 49A 50A 51A 52A 53A 54A 55A 56A 57A 58A 59A 60A 61A 62A 63A 64A 11Z 12Z 13Z 15Z 16Z 18Z 20Z 22Z 24Z 25Z 27Z 30Z 33Z (V) (mA) () ( ) (mA) (µA) (V) 3.3 76.0 10 400 1.00 100 1.0 3.6 69.0 10 400 1.00 100 1.0 3.9 64.0 9.0 400 1.00 50 1.0 4.3 58.0 9.0 400 1.00 10 1.0 4.7 53.0 8.0 500 1.00 10 1.0 5.1 49.0 7.0 550 1.00 10 1.0 5.6 45.0 5.0 600 1.00 10 2.0 6.2 41.0 2.0 700 1.00 10 3.0 6.8 37.0 3.5 700 1.00 10 4.0 7.5 34.0 4.0 700 0.50 10 5.0 8.2 31.0 4.5 700 0.50 10 6.0 9.1 28.0 5.0 700 0.50 10 7.0 10 25.0 7.0 700 0.25 10 7.6 11 23.0 8.0 700 0.25 5 8.4 12 21.0 9.0 700 0.25 5 9.1 13 19.0 10 700 0.25 5 9.9 15 17.0 14 700 0.25 5 11.4 16 15.5 16 700 0.25 5 12.2 18 14.0 20 750 0.25 5 13.7 20 12.5 22 750 0.25 5 15.2 22 11.5 23 750 0.25 5 16.7 24 10.5 25 750 0.25 5 18.2 27 9.5 35 750 0.25 5 20.6 30 8.5 40 1000 0.25 5 22.8 33 7.5 45 1000 0.25 5 25.1 36 7.0 50 1000 0.25 5 27.4 39 6.5 60 1000 0.25 5 29.7 43 6.0 70 1500 0.25 5 32.7 47 5.5 80 1500 0.25 5 35.8 51 5.0 95 1500 0.25 5 38.8 56 4.5 110 2000 0.25 5 42.6 62 4.0 125 2000 0.25 5 47.1 68 3.7 150 2000 0.25 5 51.7 75 3.3 175 2000 0.25 5 56.0 82 3.0 200 3000 0.25 5 62.2 91 2.8 250 3000 0.25 5 69.2 100 2.5 350 3000 0.25 5 76.0 110 2.3 450 4000 0.25 5 83.6 120 2.0 550 4500 0.25 5 .


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