DatasheetsPDF.com

1SMA4758A Dataheets PDF



Part Number 1SMA4758A
Manufacturers Won-Top
Logo Won-Top
Description 1.0W SURFACE MOUNT ZENER DIODE
Datasheet 1SMA4758A Datasheet1SMA4758A 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.

  1SMA4758A   1SMA4758A



Document
® 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 Z.


1SMA4757A 1SMA4758A 1SMA4759A


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site.
(Privacy Policy & Contact)