The Toshiba Semiconductor and Storage HN4A71FK is a transistor array that belongs to the family of discrete semiconductor products. It is available in balanced supply and demand status. The transistor is designed to be used in various applications such as switching power supplies, motor control, and other electronic equipment. The transistor has four NPN transistors with a maximum collector current of 50mA and a maximum collector-emitter voltage of 50V. The transistor is mounted in a SOT-353 package and operates in an operating temperature range of -55°C to 150°C. The transistor is a reliable device that can be used in various low-power applications.