BUY UF640L https://www.utsource.net/itm/p/5356498.html

Description: UF640L is a NPN silicon epitaxial planar transistor manufactured by UTC (Unisonic Technologies Co., Ltd.). Features: High DC current gain Low collector-emitter saturation voltage Low noise High frequency High reliability Applications: Audio amplifiers High frequency switching Motor control Power management Voltage regulators (For reference only)