Central CMWSH-4 TM Semiconductor Corp. SURFACE MOUNT SCHOTTKY DIODE DESCRIPTION: The CENTRAL SEMICONDUCTOR CMWSH-4, 40V, Low VF, Dual, Galvanically isolated Silicon Schottky diode , is designed for use in high speed surface mount switching applications. Marking Code is WSH4. SOT-343 CASE MAXIMUM RATINGS: (TA=25°C) Continuous Forward Current SYMBOL VRRM IF 100 mA Peak Repetitive Forward Current IFRM 350 mA Forward Surge Current, tp=10 ms IFSM PD 750 mA Power Dissipation 350 mW Operating and Storage Junction Temperature TJ,Tstg Thermal Resistance ΘJA Peak Repetitive Reverse Voltage UNITS V 40 -65 to +150 °C 357 °C/W ELECTRICAL CHARACTERISTICS PER DIODE: (TA=25°C unless otherwise noted) SYMBOL IR IR IR VF VF VF CT trr TEST CONDITIONS VR=25V VR=25V, TA=100°C MIN TYP 90 MAX 500 UNITS nA 25 100 µA VR=40V IF=2.0mA 0.23 5.0 µA 0.29 0.33 V IF=15mA IF=100mA 0.40 0.45 V 0.52 0.60 VR=1.0V, f=1.0MHz IF=IR=10mA, Irr=1.0mA, RL=100Ω 10.0 V pF 5.0 ns R0 ( 27-August 2001) Central TM Semiconductor Corp. CMWSH-4 SURFACE MOUNT SCHOTTKY DIODE SOT-343 CASE - MECHANICAL OUTLINE LEAD CODE: 1) CATHODE D1 2) ANODE D1 3) ANODE D2 4) CATHODED2 MARKING CODE: WSH4 R0 ( 27-August 2001)