CMHD457A CMHD459A www.centralsemi.com SURFACE MOUNT DESCRIPTION: LOW LEAKAGE SILICON DIODE 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: (T =25C) SYMBOL CMHD457A CMHD459A UNITS A Peak Repetitive Reverse Voltage V 70 200 V RRM Peak Working Reverse Voltage V 60 175 V RWM Average Forward Current I 200 mA O Continuous Forward Current I 500 mA F Peak Forward Surge Current, tp=1.0s I 4.0 A FSM Power Dissipation P 400 mW D Operating and Storage Junction Temperature T , T -65 to +150 C J stg Thermal Resistance 312.5 C/W JA ELECTRICAL CHARACTERISTICS: (T =25C unless otherwise noted) A CMHD457A CMHD459A SYMBOL TEST CONDITIONS MIN MAX MIN MAX UNITS I V =Rated V 25 25 nA R R RWM I V =Rated V , T =150C 5.0 5.0 A R R RWM A BV I=100A 70 200 V R R V I =100mA 1.0 1.0 V F F C V =0, f=1.0MHz 6.0 6.0 pF T R 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) www.centralsemi.com