The KTC4376 is a NPN 800mA 30V SOT-89 3-pin RoHS (Restriction of Hazardous Substances) chip transistor manufactured by Changjiang. It has a maximum collector current of 800mA and a maximum voltage rating of 30V. It is primarily used as an amplifier and switch for applications in audio, video, display, and telecommunications equipment. It features low noise, low power consumption, high frequency response, and high efficiency. The SOT-89-3 package offers superior thermal performance, excellent mechanical stability, and minimized printed circuit board space. It is RoHS compliant, meaning it does not contain any hazardous materials that might be harmful to the environment or human health.