The S9018 is a triple NPN Transistor SOT-23-3 RoHS manufactured by Youtai. It is typically used to drive small loads such as LEDs, relays, small motors, and other circuits. It features very low current consumption with high collector-emitter breakdown voltage, making it suitable for applications requiring high efficiency and stable performance. This product is RoHS compliant, making it an environmentally friendly choice for any electronics project.