:The MMBT4403 with 40V 300mW 600mA 100@150mA,2V 200MHz 750mV@500mA,50mA PNP -55?~+150?@(Tj) SOT-23 Bipolar Transistors - BJT ROHS, manufactured by JSMSEMI, is a transistor in a SOT-23 package. It has low collector-emitter saturation voltage and high gain-bandwidth product, allowing it to operate with high precision. It has a maximum voltage of 40V, a maximum power dissipation of 300mW, and a maximum current of 600mA. It has an IC gain of 100@150mA, a fT of 200MHz, and a VCEo @ IC of 750mV @ 500mA. The safe operating temperature range is -55 ? to 150 ?. It is compliant with ROHS standards.