BUY J438 https://www.utsource.net/itm/p/11530954.html

The J438 is a TO-220F package transistor manufactured by Jilin Sino-Microelectronics Co., Ltd. It is a PNP bipolar transistor with a maximum collector current of 1A and a maximum collector-emitter voltage of 30V. It is designed for use in general purpose switching and amplification applications. It features a high current gain, low collector-emitter saturation voltage, and low noise. It is suitable for use in audio amplifiers, small signal amplifiers, and switching circuits. (For reference only)