Central CMHD457A CMHD459A TM Semiconductor Corp. SURFACE MOUNT LOW LEAKAGE SILICON DIODE DESCRIPTION: The CENTRAL SEMICONDUCTOR CMHD457A, CMHD459A types are silicon planar diodes, epoxy molded in a SOD-123 surface mount package, designed for low leakage applications. MARKING CODE: CMHD457A: C7A CMHD459A: C9A SOD-123 CASE MAXIMUM RATINGS: (TA=25°C) SYMBOL Peak Repetitive Reverse Voltage Peak Working Reverse Voltage Average Forward Current Forward Steady-State Current Peak Forward Surge Current (1.0µs pulse) Power Dissipation Operating and Storage Junction Temperature Thermal Resistance CMHD457A VRRM VRWM IO IF IFSM PD CMHD459A 200 175 70 60 200 500 4.0 400 TJ,Tstg ΘJA -65 to +150 312.5 °C °C/W ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted) CMHD457A SYMBOL TEST CONDITIONS MIN MAX CMHD459A MIN MAX BVR 200 IR IR IR=100µA VR=Rated VRWM 70 UNITS V V mA mA A mW UNITS V 25 25 nA µA VR=Rated VRWM, TA=150°C IF=100mA 5.0 5.0 VF 1.0 1.0 V CT VR=0, f=1.0MHz 6.0 6.0 pF R0 (11-August 2004) Central TM CMHD457A CMHD459A Semiconductor Corp. SURFACE MOUNT LOW LEAKAGE SILICON DIODE SOD-123 - MECHANICAL OUTLINE LEAD CODE 1) Cathode 2) Anode MARKING CODE CMHD457A: C7A CMHD459A: C9A R0 (11-August 2004)