BUY KRC409 https://www.utsource.net/itm/p/8933474.html
KRC409 NPN Bipolar Digital Transistor (BRT) 100mA/0.1A 47k 22k SOT-323/SC-70/USM marking NJ switch interface circuit driver circuit
KRC409 is a high voltage NPN transistor manufactured by KEC. It is packaged in a SOT-323/SC-70/USM package. Description: The KRC409 is a high voltage NPN transistor designed for use in applications such as switching, amplification, and signal processing. Features: High voltage rating of up to 40V Low saturation voltage Low collector-emitter saturation voltage High current gain High frequency operation Applications: Switching Amplification Signal processing Motor control Power supply circuits High voltage circuits (For reference only)