1SMA4750A

® 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 ...