CMHD457A CMHD459A SURFACE MOUNT LOW LEAKAGE SILICON DIODE w w w. c e n t r a l s e m i . c o m 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 CODES: CMHD457A: C7A CMHD459A: C9A SOD-123 CASE MAXIMUM RATINGS: (TA=25°C) Peak Repetitive Reverse Voltage Peak Working Reverse Voltage Average Forward Current Continuous Forward Current Peak Forward Surge Current, tp=1.0µs Power Dissipation Operating and Storage Junction Temperature Thermal Resistance SYMBOL CMHD457A CMHD459A UNITS VRRM VRWM 70 200 V 60 175 V IO 200 mA IF IFSM PD 500 mA 4.0 A 400 mW TJ, Tstg ΘJA -65 to +150 °C 312.5 °C/W ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted) SYMBOL TEST CONDITIONS IR VR=Rated VRWM VR=Rated VRWM, TA=150°C IR=100µA IR BVR VF CT IF=100mA VR=0, f=1.0MHz CMHD457A CMHD459A MIN MIN MAX MAX 25 UNITS 25 nA 5.0 µA 1.0 1.0 V 6.0 6.0 pF 5.0 70 200 V R2 (5-August 2010) CMHD457A CMHD459A SURFACE MOUNT LOW LEAKAGE SILICON DIODE SOD-123 CASE - MECHANICAL OUTLINE LEAD CODE 1) Cathode 2) Anode MARKING CODE CMHD457A: C7A CMHD459A: C9A R2 (5-August 2010) w w w. c e n t r a l s e m i . c o m