CXTA44 SURFACE MOUNT HIGH VOLTAGE NPN SILICON TRANSISTOR w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR CXTA44 type is a surface mount epoxy molded silicon planar epitaxial transistors designed for extremely high voltage applications. MARKING: FULL PART NUMBER SOT-89 CASE MAXIMUM RATINGS: (TA=25°C) Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Continuous Collector Current Power Dissipation SYMBOL UNITS VCBO VCEO 450 V 400 V VEBO IC 6.0 V 300 mA 1.2 W PD TJ, Tstg -65 to +175 °C ΘJA 125 °C/W ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted) SYMBOL TEST CONDITIONS MIN MAX UNITS ICBO 100 nA ICES VCB=400V VCE=400V 500 nA IEBO VBE=4.0V 100 nA BVCBO IC=100µA IC=100µA 450 450 V IC=1.0mA IE=10µA 400 V 6.0 V Operating and Storage Junction Temperature Thermal Resistance BVCES BVCEO BVEBO VCE(SAT) VCE(SAT) VCE(SAT) VBE(SAT) V IC=1.0mA, IB=0.1mA IC=10mA, IB=1.0mA 0.40 V 0.50 V IC=50mA, IB=5.0mA IC=10mA, IB=1.0mA 0.75 V 0.75 V R6 (23-February 2010) CXTA44 SURFACE MOUNT HIGH VOLTAGE NPN SILICON TRANSISTOR ELECTRICAL CHARACTERISTICS - Continued: (TA=25°C) TEST CONDITIONS SYMBOL hFE hFE hFE hFE fT Cob Cib MIN VCE=10V, IC=1.0mA 40 VCE=10V, IC=10mA VCE=10V, IC=50mA VCE=10V, IC=100mA 50 VCE=10V, IC=10mA, f=10MHz 20 MAX UNITS 200 45 20 VCB=20V, IE=0, f=1.0MHz VEB=0.5V, IC=0, f=1.0MHz MHz 7.0 pF 130 pF SOT-89 CASE - MECHANICAL OUTLINE (Bottom View) LEAD CODE: 1) Emitter 2) Collector 3) Base MARKING: FULL PART NUMBER R6 (23-February 2010) w w w. c e n t r a l s e m i . c o m