Central CZTA28 TM Semiconductor Corp. SURFACE MOUNT NPN DARLINGTON TRANSISTOR DESCRIPTION: The CENTRAL SEMICONDUCTOR CZTA28 type is a NPN Silicon Darlington Transistor manufactured by the epitaxial planar process, epoxy molded in a surface mount package, designed for applications requiring extremely high gain. SOT-223 CASE MAXIMUM RATINGS: (TA=25°C) Collector-Emitter Voltage SYMBOL UNITS VCES VCBO 80 V Collector-Base Voltage 80 V Emitter-Base Voltage VEBO 12 V Collector Current IC 500 mA Power Dissipation PD 2.0 W TJ,Tstg -65 to +150 °C ΘJA 62.5 °C/W Operating and Storage Junction Temperature Thermal Resistance ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted) SYMBOL TEST CONDITIONS ICBO ICES IEBO BVCBO BVCES BVEBO VCE(SAT) VCE(SAT) VBE(ON) MAX UNITS VCB=60V 100 nA VCE=60V 500 nA VEB=10V 100 nA IC=100µA IC=100µA IE=10µA IC=10mA, IB=10µA IC=100mA, IB=100µA hFE VCE=5.0V, IC=100mA VCE=5.0V, IC=10mA VCE=5.0V, IC=100mA fT Cob VCE=5.0V, IC=10mA, f=100MHz VCB=10V, IE=0, f=100kHz hFE MIN 80 V 80 V 12 V 1.2 V 1.5 V 2.0 V 10,000 10,000 125 MHz 8.0 pF R0 ( 13-November 2001) Central TM Semiconductor Corp. CZTA28 SURFACE MOUNT NPN DARLINGTON TRANSISTOR SOT-223 CASE - MECHANICAL OUTLINE Lead Code: 1) BASE 2) COLLECTOR 3) EMITTER 4) COLLECTOR R0 ( 13-November 2001)