KEXIN's KST9015 is a SOT23 NPN/PNP wax-crystal transistor, which is RoHS compliant. It has a high gain and low saturation voltage, making it suitable for a wide range of applications. It features low power consumption, low voltage drop, low output impedance, high input impedance, and a wide operating temperature range. The KST9015 is ideal for use in switching circuits, motors and relays, and other applications in low-voltage, high-current electronic components.